Research papers |
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Authors: Yuki Itabashi, Shuto Ogata, Yusuke Shimada, Minato Kondo, NISHIWAKI Nagatoshi, Tsuyoshi Inoue, ASAHARA Haruyasu, Kei Ohkubo
Title: Tetrabutylammonium Chlorite as an Efficient Oxidant for Controlled Oxidation of Sulfides to Sulfoxides
Journal: Chemistry – A European Journal, p. in press
Year: 2025
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Authors: IWAI Kento, Akari Hikasa, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, NISHIWAKI Nagatoshi
Title: Synthesis of Tricarbonylated Propargylamine and Conversion to 2,5-Disubstituted Oxazole-4-carboxylates
Journal: Beilstein Journal of Organic Chemistry, Vol. 20, pp. 2827-2833
Year: 2024
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Authors: IWAI Kento, NISHIWAKI Nagatoshi
Title: A Straightforward Synthesis of Pinocembrin
Journal: Journal of Oleo Science, Vol. 74, pp. 75-78
Year: 2025
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Authors: Annisa Indah Reza, IWAI Kento, NISHIWAKI Nagatoshi
Title: Non-Electronic Activation of Anthracenes Using Steric Repulsion of the 9-Substituent with Chloro Groups at the peri-Positions
Journal: Asian Journal of Organic Chemistry, pp. e202400381-(5 pages)
Year: 2024
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Authors: NISHIWAKI Nagatoshi
Title: Diethyl Mesoxalate, A Representative Tricarbonyl Compound – A Useful Synthetic Tool Possessing Diverse Reactivities
Journal: European Journal of Organic Chemistry, pp. e202400823-(10 pages)
Year: 2024
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Authors: IWAI Kento, NISHIWAKI Nagatoshi
Title: Unsymmetrization of 1,8-Dibromonaphthalenes by Acid Induced Halogen Dance Reaction
Journal: The Journal of Organic Chemistry, Vol. 89, pp. 7843-7847
Year: 2024
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Authors: IWAI Kento, NISHIWAKI Nagatoshi
Title: Recent Progress in Haloalkenes Synthesis by Hydrohalogenation (HX = HCl, HBr, HI) of Alkynes
Journal: Advanced Synthesis & Catalysis , Vol. 366, pp. 1950-1964
Year: 2024
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Authors: Akitaka Ito, Yasuyuki Kuroda, IWAI Kento, Soichi Yokoyama, NISHIWAKI Nagatoshi
Title: Highly Electron-Deficient 1-Propyl-3,5-dinitropyridinium: Evaluation of Eelectron-Accepting Ability and Application as an Oxidative Quencher for Metal Complexes
Journal: RSC Advances, Vol. 14, pp. 5846-5850
Year: 2024
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Authors: Yusuke Mizuta, Kazuya Kobiro, NISHIWAKI Nagatoshi, Ryuichi Sugimoto
Title: Graft Polymerization of Methyl Methacrylate on the Surface of Poly(vinylidene fluoride) Using Tributylborane as an Initiator
Journal: Polymer Journal, Vol. 56, pp. 79-85
Year: 2024
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Authors: Song Thi Le, Anh Tuan Le, Chien Cao Le, Tam Thi Nguyen, Hong Thi Luu, Thanh Trung Le, NISHIWAKI Nagatoshi
Title: Assessment of Natural Radioactivity of Vietnamese Steel Slag for Using as Landfill Material
Journal: Journal of Material Cycles and Waste Management , Vol. 25, pp. 3885-3892
Year: 2023
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Authors: Reina Nonami, Yu Kishino, Tomokazu Yamasaki, Kazuya Kanemoto, IWAI Kento, NISHIWAKI Nagatoshi, Kazutaka Shibatomi, Tomohiko Shirai
Title: Cationic Iridium-Catalyzed Decarboxylation of Aromatic Carboxylic Acids
Journal: Chemistry – An Asian Journal, pp. e202300533-4 pages
Year: 2023
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Authors: Annisa Indah Reza, IWAI Kento, NISHIWAKI Nagatoshi
Title: A Study of the Correlation between the Bulkiness of peri-Substituents and the Distortion of a Naphthalene Ring
Journal: Molecules , Vol. 28, pp. 5343-13 pages
Year: 2023
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Authors: IWAI Kento, Rikiya Kamidate, Khimiya Wada, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: First Synthesis of Acylated Nitrocyclopropanes
Journal: Beilstein Journal of Organic Chemistry, Vol. 19, pp. 892-900
Year: 2023
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Authors: ASAHARA Haruyasu, Yurie Horikawa, IWAI Kento, NISHIWAKI Nagatoshi, Kei Ohkubo
Title: 2-Azafluorenone Derivatives: Photocatalyst for Oxygenation of Toluene via Electron Transfer and Hydrogen-Atom Transfer
Journal: Journal of Photochemistry and Photobiology, Vol. 15, pp. 100184-7 pages
Year: 2023
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Authors: IWAI Kento, Noa Nishiguchi, NISHIWAKI Nagatoshi
Title: Halo-Jacobsen Rearrangement Induced by Steric Repulsion between peri-Iodo Groups
Journal: The Journal of Organic Chemistry , Vol. 88, pp. 9409-9412
Year: 2023
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Authors: IWAI Kento, Akari Hikasa, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, NISHIWAKI Nagatoshi
Title: Synthesis of Bis(functionalized) Aminals via Successive Nucleophilic Amidation and Amination
Journal: The Journal of Organic Chemistry, Vol. 88, pp. 2207-2213
Year: 2023
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Authors: Takumi Hamada, IWAI Kento, NISHIWAKI Nagatoshi
Title: Synthesis and Characterization of Multiple Functionalized Cyclohexanone Using Diels–Alder Reaction of α-Nitrocinnamate
Journal: Reactions, Vol. 3, pp. 615-624
Year: 2022
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Authors: HIRAO Shotaro, Rumi Saeki, Toru Takahashi, IWAI Kento, NISHIWAKI Nagatoshi, Yasushi Ohga
Title: Synthesis of Unsymmetrical Ketones Using Chelation-Controlled Sequential Substitution of N-Triazinylamide/Weinreb Amide by Organometallic Reagents
Journal: ACS Omega, Vol. 7, pp. 48476-48483
Year: 2022
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Authors: IWAI Kento, Nana Hatayama, NISHIWAKI Nagatoshi
Title: Simultaneous Denitrative C–C Bond Formation and Construction of Pyrazole Ring Leading to 1,1'-Diphenyl-4,4'-bipyrazole
Journal: Heterocycles, Vol. 106, pp. 160-165
Year: 2023
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Authors: Song Thi Le, Anh Tuan Le, Mai Thi Tu Cao, Hai Bang Pharm, Tam Thi Nguyen, Thanh Trung Le, NISHIWAKI Nagatoshi
Title: Assessment of Water Quality under Real-World Conditions: Effects of Steel Slag Backfills on Ground and Surface Water
Journal: Environmental Science: Water Research & Technology, Vol. 8, pp. 3043-3053
Year: 2022
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Authors: IWAI Kento, Khimiya Wada, NISHIWAKI Nagatoshi
Title: Unusual Reactivities of ortho-Hydroxy-β-nitrostyrene
Journal: Molecules, Vol. 27, pp. 4804-pp 12
Year: 2022
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Authors: IWAI Kento, Yusuke Mukaijo, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: A New Approach to 10-Arylated 5H-Dibenzo[b,f]azepines Using syn-Selective Hydrohalogenation of Ethynylaniline
Journal: Organic & Biomolecular Chemistry, Vol. 20, pp. 5543-5550
Year: 2022
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Authors: Shinpei Urata, Naoto Yamasaki, Hirofumi Yamamoto, NISHIWAKI Nagatoshi, Yuki Hongo, Masao Adachi, Haruo Yamaguchi
Title: Utilization of Phosphonic Acid Compounds by Marine Bacteria of the Genera Phaeobacter, Ruegeria, and Thalassospira (α-Proteobacteria)
Journal: FEMS Microbiology Letters, Vol. 369, p. fnac065
Year: 2022
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Authors: Mahiro Nakabayashi, NISHIWAKI Nagatoshi, Akitaka Ito, HAYASHI Shotaro, IWAI Kento
Title: Efficient Synthetic Method for α-Nitro-β-Dialdimine Ligands Bearing Electron-Deficient Aryl Groups
Journal: Tetrahedron Letters, Vol. 102, pp. 153948-4 pages
Year: 2022
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Authors: Feiyue Hao, Guyue Liu, Zhengneng Jin, Guoliang Dai, Wubing Yao, NISHIWAKI Nagatoshi, Jiashou Wu
Title: Intramolecular Arylation of 2-Bromobenzenesulfonamides Using DMSO/HCOONa·2H2O System: Efficient Access To Dibenzosultams
Journal: Advanced Synthesis & Catalysis, Vol. 364, pp. 1889-1895
Year: 2022
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Authors: Yusuke Mizuta, Ryuichi Sugimoto, Hiromu Okada, Chao Zhao, Kazuya Kobiro, NISHIWAKI Nagatoshi
Title: Graft Polymerization of Methyl Methacrylate on the Surface of Poly(ethylene-co-tetrafluoroethylene) using Benzoyl Peroxide as Initiator
Journal: Journal of Applied Polymer Science, pp. e52415 -8 pages
Year: 2022
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Authors: IWAI Kento, Khimiya Wada, Feiyue Hao, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: A Mechanistic Study for Aziridination of Nitroalkenes Mediated by N-Chlorosuccinimide
Journal: Journal of Oleo Science, Vol. 71, pp. 897-903
Year: 2022
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Authors: ASAHARA Haruyasu, Atsushi Bonkohara, Masaya Takagi, IWAI Kento, Akitaka Ito, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, NISHIWAKI Nagatoshi
Title: Development of Synthetic Equivalent of α,α-Dicationic Acetic Acid Leading to Unnatural Amino Acid Derivatives via Tetrafunctionalized Methanes
Journal: Organic & Biomolecular Chemistry , Vol. 22, pp. 2282-2292
Year: 2022
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Authors: Haruo Yamaguchi, Masaki Zaima, Masao Adachi, Yuji Tomaru, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Selective Utilization of Phosphorus Compounds by Chaetoceros Tenuissimus (Bacillariophyceae): Approach Using 31P Nuclear Magnetic Resonance Analysis
Journal: Phycological Research, Vol. 70, pp. 151-159
Year: 2022
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Authors: IWAI Kento, Haruka Yamauchi, Soichi Yokoyama, NISHIWAKI Nagatoshi
Title: FeCl3-Promoted Facile Synthesis of Multiply Arylated Nicotinonitriles
Journal: Synthesis, Vol. 54, pp. 2480-2486
Year: 2022
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Authors: ASAHARA Haruyasu, Yusuke Mukaijo, Kengo Muragishi, IWAI Kento, Akitaka Ito, NISHIWAKI Nagatoshi
Title: Metal-Free and syn-Selective Hydrohalogenation of Alkynes through the Pseudo-Intramolecular Process
Journal: European Journal of Organic Chemistry, pp. 5747-5755
Year: 2021
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Authors: Daiki Nagata, NISHIWAKI Nagatoshi
Title: Are Acetic Acid Derivatives Really Negative to the Iodoform Test?
Journal: SN Applied Sciences, Vol. 3, pp. 788-pp 4
Year: 2021
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Authors: Yusuke Mizuta, Hiromu Okada, Chao Zhao, Ryuichi Sugimoto, NISHIWAKI Nagatoshi, Kazuya Kobiro
Title: Surface Functionalization of Ethylene–Tetrafluoroethylene Copolymer Film with Poly(Methyl Methacrylate) via Chemical Radical Polymerization
Journal: Polymer, Vol. 226, pp. 123826-pp 6
Year: 2021
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Authors: Le Thi Song, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Synthesis of Nitroaromatic Compounds via Three-Component Ring Transformations
Journal: Molecules, Vol. 26, pp. 639-pp 18
Year: 2021
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Authors: Yumi Nakaike, Yusuke Yoshida, Soichi Yokoyama, Akitaka Ito, NISHIWAKI Nagatoshi
Title: Synthesis and Intramolecular Ring Transformation of N,N’-Dialkylated 2,6,9-Triazabicyclo[3.3.1]nonadienes
Journal: Organic & Biomolecular Chemistry, Vol. 18, pp. 9109-9116
Year: 2020
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Authors: NISHIWAKI Nagatoshi
Title: A Walk through Recent Nitro Chemistry Advances
Journal: Molecules, Vol. 25, pp. 3680-pp 5
Year: 2020
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Authors: ASAHARA Haruyasu, Minami Hiraishi, NISHIWAKI Nagatoshi
Title: One-Pot and Metal-Free Synthesis of 3-Arylated 4-Nitrophenols via Polyfunctionalized Cyclohexanones from β-Nitrostyrenes
Journal: Beilstein Journal of Organic Chemistry, Vol. 16, pp. 1830-1836
Year: 2020
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Authors: ASAHARA Haruyasu, Rikiya Kamidate, NISHIWAKI Nagatoshi
Title: Regiodivergent Ring Opening Reactions of 2-Arylated 3-Nitrocyclopropane-1,1-dicarboxylates Leading to Polyfunctionalized Dipoles
Journal: Heterocycles, Vol. 103, pp. 379-391
Year: 2021
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Authors: Yusuke Mukaijo, Soichi Yokoyama, NISHIWAKI Nagatoshi
Title: Comparison of Substituting Ability of Nitronate versus Enolate for Direct Substitution of a Nitro Group
Journal: Molecules, Vol. 25, pp. 2048-pp 9
Year: 2020
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Authors: Feiyue Hao, NISHIWAKI Nagatoshi
Title: Recent Progress in Nitro-promoted Direct Functionalization of Pyridones and Quinolones
Journal: Molecules, Vol. 25, pp. 673-pp 24
Year: 2020
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Authors: Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Vapochromic Properties of Diethenylpyrrole with Naphthyl Tethers Induced by Formation of Distorted Structure at the Solid State
Journal: Crystal Growth & Design, Vol. 20, pp. 1383-1387
Year: 2020
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Authors: Mao Arita, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Three Step Synthesis of Fully and Differently Arylated Pyridines
Journal: European Journal of Organic Chemistry, pp. 466-474
Year: 2020
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Authors: Kento Iwai, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Non-electronic Activation of Aromatic Ring by Simple Steric Repulsion between Substituents in 1-Methylquinolinium Salt Systems
Journal: Bulletin of the Chemical Society of Japan, Vol. 93, pp. 50-57
Year: 2020
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Authors: Soichi Yokoyama, Akitaka Ito, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Anion-Capture-Induced Fluorescence Enhancement of Bis(cyanostyryl)pyrrole Based on a Concept of Restricted Access to Conical Intersection
Journal: Bulletin of the Chemical Society of Japan, Vol. 92, pp. 1807-1815
Year: 2019
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Authors: NISHIWAKI Nagatoshi, Yuta Kumegawa, Kento Iwai, Soichi Yokoyama
Title: Development of Safely Handleable Synthetic Equivalent of Cyanonitrile Oxide –1,3-Dipolar Cycloaddition of Nitroacetonitrile–
Journal: Chemical Communications, Vol. 55, pp. 7903-7905
Year: 2019
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Authors: ASAHARA Haruyasu, Shuhei Kikuchi, Yuto Unno, Soichi Yokoyama, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, NISHIWAKI Nagatoshi
Title: A Facile Synthesis of Oxiranes Possessing Three or Four Carbonyl Groups
Journal: Current Organic Chemistry, Vol. 23, pp. 97-102
Year: 2019
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Authors: Soichi Yokoyama, Hiroshi Shibauchi, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Metal-Free O-Selective Direct Acylation of Amino Alcohols via Pseudo-Intramolecular Process
Journal: European Journal of Organic Chemistry, pp. 1125-1133
Year: 2019
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Authors: Soichi Yokoyama, NISHIWAKI Nagatoshi
Title: Fluorescence Behavior of Bis(cyanostyryl)pyrrole Derivatives Depending on Substituent Position of Cyano Groups in Solution and in Solid State
Journal: The Journal of Organic Chemistry, Vol. 84, pp. 1192-1200
Year: 2019
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Authors: Mao Arita, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Facile Synthesis of Onychines
Journal: Synthesis, Vol. 51, pp. 2007-2013
Year: 2019
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Authors: ASAHARA Haruyasu, Ayano Sofue, Yasuyuki Kuroda, NISHIWAKI Nagatoshi
Title: Alkynylation and Cyanation of Alkenes Using Diverse Properties of a Nitro Group
Journal: The Journal of Organic Chemistry, Vol. 83, pp. 13691-13699
Year: 2018
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Authors: Masato Ohsumi, Akitaka Ito, NISHIWAKI Nagatoshi
Title: Substrate Switchable Suzuki-Miyaura Coupling for Benzyl Ester vs. Benzyl Halide
Journal: RSC Advances, Vol. 8, pp. 35056-35061
Year: 2018
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Authors: ASAHARA Haruyasu, Shu Kawakami, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, NISHIWAKI Nagatoshi
Title: Unsymmetrical Tetra-acceptor-substituted Alkenes as Polyfunctionalized Building Blocks: A Divergent Synthesis of Densely Functionalized Pyrrolizines
Journal: Bulletin of the Chemical Society of Japan, Vol. 91, pp. 1715-1723
Year: 2018
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Authors: HAO FEIYUE, NISHIWAKI Nagatoshi
Title: Chemistry of Nitroaziridines
Journal: Heterocycles, Vol. 99, pp. 54-72
Year: 2019
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Authors: Kento Iwai, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: A Direct Synthesis of Trisubstituted Allenes from Propargyl Alcohols via Oxaphosphetane Intermediates
Journal: Bulletin of the Chemical Society of Japan, Vol. 91, pp. 337-342
Year: 2018
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Authors: Kento Iwai, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Phosphine Induced Dimerization of Propargyl Alcohols Leading to Allyl Propargyl Ethers
Journal: Journal of Oleo Science, Vol. 67, pp. 773-778
Year: 2018
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Authors: ASAHARA Haruyasu, Azusa Yasuoka, NISHIWAKI Nagatoshi
Title: Activation of 1-Methyl-5-nitro-2-pyrimidinone by Dearomatization Using a Secondary Amine
Journal: Heterocycles, Vol. 97, pp. 253-259
Year: 2018
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Authors: HAO FEIYUE, Soichi Yokoyama, NISHIWAKI Nagatoshi
Title: Direct Dihalo-Alkoxylation of Nitroalkenes Leading to ß,ß-Dihalo-ß-nitroethyl Alkyl Ethers
Journal: Organic & Biomolecular Chemistry, Vol. 16, pp. 2768-2775
Year: 2018
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Authors: Hidenori Tanaka, Hiroki Miyata, Yu Hamaya, NISHIWAKI Nagatoshi, Hideharu Ishida
Title: A Concise Synthesis of Rhamnan Oligosaccharides with Alternating α-(1→2)/(1→3)-Linkages and Repeating α-(1→3)-Linkages by Iterative α-Glycosylation Using Disaccharide Building Blocks
Journal: Carbohydrate Research, Vol. 455, pp. 23-31
Year: 2018
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Authors: NISHIWAKI Nagatoshi
Title: A New Synthetic Tool: The Pseudo-Intramolecular Process
Journal: Journal of Oleo Science, Vol. 67, pp. 11-19
Year: 2018
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Authors: Sho Hirai, Yurie Horikawa, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Tailor-made Synthesis of Fully Alkylated/Arylated Nicotinates by FeCl3-Mediated Condensation of Enamino Esters with Enones
Journal: Chemical Communications, Vol. 53, pp. 2390-2393
Year: 2017
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Authors: Hao Feiyue, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Direct and Efficient Functionalization of the 1-Methyl-2-quinolone Framework
Journal: Procedia Engineering, Vol. 174, pp. 1058-1066
Year: 2017
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Authors: Hao Feiyue, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Direct Amino-halogenation and Aziridination of the 2-Quinolone Framework by Sequential Treatment of 3-Nitro-2-quinolone with Amine and N-Halosuccinimide
Journal: Tetrahedron, Vol. 70, pp. 1255-1264
Year: 2017
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Authors: Masato Ohsumi, NISHIWAKI Nagatoshi
Title: Selective Synthesis of (Benzyl)biphenyls by Successive Suzuki-Miyaura Coupling of Phenylboronic Acids with 4-Bromobenzyl Acetate under Air Atmosphere
Journal: ACS Omega, Vol. 2, pp. 7767-7771
Year: 2017
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Authors: Saki Naito, Soichi Yokoyama, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Synthesis of Functionalized 4-Nitroanilines by Ring Transformation of Dinitropyridone with Enaminones
Journal: Tetrahedron Letters, Vol. 58, pp. 4699-4702
Year: 2017
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Authors: Hao Feiyue, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Direct Aziridination of Nitroalkenes Affording N-Alkyl-C-nitroaziridines and the Subsequent Lewis Acid Mediated Isomerization to β-Nitroenamines
Journal: Organic Letters , Vol. 19, pp. 5442-5445
Year: 2017
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Authors: NISHIWAKI Nagatoshi
Title: Nitroisoxazolones Showing Diverse Chemical Behavior: A Useful Building Block for Polyfunctionalized Systems
Journal: Current Medicinal Chemistry , Vol. 24, pp. 3728-3748
Year: 2017
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Authors: Kento Iwai, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Synthesis of Functionalized 3-Cyanoisoxazoles Using a Dianionic Reagent
Journal: The Journal of Organic Chemistry, Vol. 82, pp. 5409-5415
Year: 2017
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Authors: Kengo Muragishi, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Hydrohalogenation of Ethynylpyridines Involving Nucleophilic Attack of a Halide Ion
Journal: ACS Omega, Vol. 2, pp. 1265-1272
Year: 2017
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Authors: Le Thi Song, Toshiki Fujimoto, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Synthesis of 6-Substituted 2-Phenacylpyridines from 2-(Phenylethynyl)pyridine via Isoxazolo[2,3-a]pyridinium Salt
Journal: Organic & Biomolecular Chemistry, Vol. 14, pp. 10674-10682
Year: 2016
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Authors: Yumi Nakaike, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Construction of Push-Pull Systems Using β-Formyl-β-nitroenamine
Journal: Russian Chemical Bulletin, Vol. 65, pp. 2129-2142
Year: 2016
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Authors: ASAHARA Haruyasu, Ayaka Awane, Kengo Muragishi, SUGIMOTO Ryuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Investigation of a Green Oligomer of an Indolizine
Journal: ARKIVOC, No. vi, pp. 259-273
Year: 2016
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Authors: NISHIWAKI Nagatoshi
Title: Development of a Pseudo-Intramolecular Process
Journal: Synthesis, Vol. 48, pp. 1286-1300
Year: 2016
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Authors: Hao Feiyue, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: A Direct and Vicinal Functionalization of the 1-Methyl-2-quinolone Framework: 4-Alkoxylation and 3-Chlorination
Journal: Organic & Biomolecular Chemistry, Vol. 14, pp. 5128-5135
Year: 2016
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Authors: Sho Hirai, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Chemoselective Amination of β-Keto Amides
Journal: Current Organic Chemistry, Vol. 20, pp. 2911-2916
Year: 2016
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Authors: Le Thi Song, Chisa Yasuoka, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Dual Behavior of Iodine Species in Condensation of Anilines and Vinyl Ethers Affording 2-Methylquinolines
Journal: Molecules, Vol. 21, No. 827, pp. 1-11
Year: 2016
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Authors: ASAHARA Haruyasu, Kanami Inoue, TANI Shinki, UMEZU Kazuto, NISHIWAKI Nagatoshi
Title: Direct Synthesis of N-Acyl-N,O-hemiacetals via Nucleophilic Addition of Unactivated Amides and Their O-Acetylation: Access to α,α-Difunctionalized N-Acylimines
Journal: Advances Synthesis & Catalysis, Vol. 358, pp. 2817-2828
Year: 2016
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Authors: Sho Hirai, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: Acid Promoted Dimerization of α-Amino-α,β-unsaturated Amides Affording Bis(functionalized) Pyrrolinones
Journal: Tetrahedron Letters, Vol. 57, pp. 5896-5898
Year: 2016
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Authors: Le Thi Song, ASAHARAHaruyasu, NISHIWAKI Nagatoshi
Title: Tailor-made Synthesis of N,N,2,6-Tetrasubstituted 4-Nitroanilines by Three-Component Ring Transformation of Dinitropyridone
Journal: European Journal of Organic Chemistry, pp. 1203-1206
Year: 2015
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Authors: NISHIWAKI Nagatoshi, Sayaka Hamada, Tomoe Watanabe, HIRAO Shotaro, SAWAYAMA Jun, ASAHARAHaruyasu, SAIGO Kazuhiko, KAMATA Toru, FUNABASHI Masahiko
Title: Development of a New Palladium Catalyst Supported on Phenolic Resin
Journal: RSC Advances, Vol. 5, pp. 4463-4467
Year: 2015
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Authors: Le Thi Song, ASAHARAHaruyasu, NISHIWAKI Nagatoshi
Title: Metal-Free Synthesis of 2-Alkenyl/Alkynyl-5-nitropyridines Using Three-Component Ring Transformation
Journal: Chemistry Letters, Vol. 44, pp. 776-778
Year: 2015
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Authors: ASAHARAHaruyasu, Syota Takeda, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Synthesis of Diazabicyclo Compounds Possessing an α-Nitrolactam Framework
Journal: Tetrahedron Letters, Vol. 56, pp. 2504-2507
Year: 2015
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Authors: ASAHARAHaruyasu, Asuka Kataoka, HIRAO Shotaro, NISHIWAKI Nagatoshi
Title: Functionalization of a Pyridine Framework via Intramolecular Reissert-Henze Reaction of N-Carbamoyloxypyridinium Salt and Unexpected Insertion of Ethereal Solvents
Journal: European Journal of Organic Chemistry, pp. 3994-3999
Year: 2015
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Authors: LIU Yi, NISHIWAKI Nagatoshi, SAIGO Kazuhiko, SUGIMOTORyuichi
Title: Polymerization of 3-Hexylthiophene with FeCl3 in Aromatic Solvents
Journal: Polymer Bulletin, Vol. 72, pp. 1817-1826
Year: 2015
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Authors: ASAHARA Haruyasu, Keita Arikiyo, NISHIWAKI Nagatoshi
Title: Development of Variously Functionalized Nitrile Oxide
Journal: Beilstein Journal of Organic Chemistry, Vol. 11, pp. 1241-1245
Year: 2015
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Authors: Le Thi Song, ASAHARA Haruyasu, NISHIWAKI Nagatoshi
Title: An Alternative Synthetic Approach to 3-Alkylated/Arylated 5-Nitropyridines
Journal: The Journal of Organic Chemistry , Vol. 80, pp. 8856-8858
Year: 2015
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Authors: ASAHARA Haruyasu, Mai Hamada, Yumi Nakaike, NISHIWAKI Nagatoshi
Title: Construction of 3,5-Dinitrated 1,4-Dihydropyridines modifiable at 1,4-Positions by a Reaction of β-Formyl-β-nitroenamines with Aldehydes
Journal: RSC Advances, Vol. 5, pp. 90778-90784
Year: 2015
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Authors: Wang Pengyu, Tohriyama Hiroko , Yokoyama Kazuya, OHTANI Masataka, ASAHARAHaruyasu, KONISHI Tomoya, NISHIWAKI Nagatoshi, SHIMODA Masahiko, YAMASHITA Yoshiyuki, YOSHIKAWA Hideki, KOBIRO Kazuya
Title: Smart Decoration of Mesoporous TiO2 Nanospheres with Noble Metal Alloy Nanoparticles into Core–Shell, Yolk–Core–Shell, and Surface-Dispersion Morphologies
Journal: European Journal of Inorganic Chemistry, Vol. 2014, pp. 4254-4257, Wiley
Year: 2014
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Authors: ASAHARAHaruyasu, NISHIWAKI Nagatoshi
Title: Metal-Free α-Hydroxylation of α-Unsubstituted β-Oxoesters and β-Oxoamides
Journal: The Journal of Organic Chemistry, Vol. 79, No. 23, pp. 11735-11739
Year: 2014
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Authors: Kazushige Matumoto, SAWAYAMA Jun, HIRAO Shotaro, NISHIWAKI Nagatoshi, SUGIMOTORyuichi, SAIGO Kazuhiko
Title: Enantiopure O-Ethyl Phenylphosphonothioic Acid: A Solvating Agent for the Determination of Enantiomeric Excesses
Journal: Chirality , Vol. 26, pp. 614-619
Year: 2014
-
Authors: HIRAI Sho, ASAHARAHaruyasu, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Revisiting Dimerization of Acetoacetamide Leading to 4,6-Dimethyl -2-pyridone-5-carboxamide
Journal: Journal of Oleo Science, Vol. 63, No. 9, pp. 939-942
Year: 2014
-
Authors: LE Thi Song, ASAHARAHaruyasu, NISHIWAKI Nagatoshi
Title: An Efficient Synthesis of Nitrated Cycloalka[b]pyridines
Journal: Synthesis, pp. 2175-2178
Year: 2014
-
Authors: ASAHARAHaruyasu, Yuki Kuribayashi, Wang Pengyu, KOBIRO Kazuya, NISHIWAKI Nagatoshi
Title: An Effect of Microwave Irradiation on Pd/SiC Catalyst for Prolonging the Catalytic Life
Journal: Current Microwave Chemistry, Vol. 1, pp. 142-147
Year: 2014
-
Authors: ASAHARAHaruyasu, Kyo Muto, NISHIWAKI Nagatoshi
Title: Safe Cyano(nitro)methylating Reagent -Michael Addition of Cyano-aci-nitroacetate Leading to δ-Functionalized α-Nitronitriles-
Journal: Tetrahedron, Vol. 70, pp. 6522-6528
Year: 2014
-
Authors: KONISHI Tomoya, NII Saori, ITAMI Shin, NISHIWAKI Nagatoshi
Title: Surface Structure of Er3+-Doped LaOCl Nanophosphors Modified Using Acetyl Chloride
Journal: Journal of the Ceramic Society of Japan, Vol. 122, No. 7, pp. 561-564
Year: 2014
-
Authors: NISHIWAKI Nagatoshi, Yasuyuki Mori, Erina Fukuoka, ASAHARAHaruyasu, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, KONISHI Tomoya, SHIMODA Masahiko
Title: Facilitation of the Reduction of Pd(II) by the Glass Surface -Development of a Glass-Supported Palladium Catalyst-
Journal: Chemical Physics Letters , Vol. 608, pp. 340-343
Year: 2014
-
Authors: June Takaichi, Yuma Morimoto, Kei Ohkubo, Chizu Shimokawa, Takayuki Hojo, Seiji Mori, ASAHARAHaruyasu, Hideki Sugimoto, Nobutaka Fujieda, NISHIWAKI Nagatoshi, Shunichi Fukuzumi, Shinobu Itoh
Title: Redox Chemistry of Nickel(II)-Complexes Supported by a Series of Non-innocent β-Diketiminate Ligands
Journal: Inorganic Chemistry, Vol. 53, No. 12, pp. 6159-6169
Year: 2014
-
Authors: Yumi Nakaike, NISHIWAKI Nagatoshi, Masahiro Ariga, Yoshito Tobe
Title: Synthesis of 4-Substituted 3,5-Dinitro-1,4-dihydropyridines by the Self-condensation of β-Formyl-β-nitroenamine
Journal: The Journal of Organic Chemistry, Vol. 79, No. 5, pp. 2163-2169, American Chemical Society
Year: 2014
-
Authors: Le Thi Song, ASAHARAHaruyasu, KOBIRO Kazuya, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Synthesis of 2-Aryl-5-nitropyridines by Three Component Ring Transformation of 3,5-Dinitro-2-pyridone
Journal: Asian Journal of Organic Chemistry , Vol. 3, No. 3, pp. 297-302, Wiley
Year: 2014
-
Authors: NISHIWAKI Nagatoshi, HIRAO Shotaro, SAWAYAMA Jun, ASAHARAHaruyasu, SUGIMOTORyuichi, KOBIRO Kazuya, SAIGO Kazuhiko
Title: Synthesis of Vicinally Functionalized 1,4-Dihydropyridines and Diazabicycles via a Pseudo-Intramolecular Process
Journal: Tetrahedron, Vol. 70, pp. 402-408
Year: 2014
-
Authors: Syou Hirai, ASAHARAHaruyasu, HIRAO Shotaro, SAWAYAMA Jun, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: An NMR Study on a Pseudo-Intramolecular Transacylation Reaction of an α-Aryl-β-keto Ester
Journal: RSC Advances, Vol. 4, No. 10, pp. 4889-4892
Year: 2014
-
Authors: NISHIWAKI Nagatoshi, SUGIMOTORyuichi, SAIGO Kazuhiko, KOBIRO Kazuya
Title: Mechanistic Aspect of Ring Transformations in the Reaction of 5-Nitro-4-pyrimidinone with Acetophenone Derivatives and Cycloalkanones Depending on the Electron Density / Ring Size of the Ketone
Journal: Tetrahedron Letters, Vol. 54, No. 8, pp. 956-959
Year: 2013
-
Authors: June Takaichi, Kei Ohkubo, Hideki Sugimoto, Motohiro Nakano, Daisuke Usa, Hiroaki Maekawa, Nobutaka Fujieda, NISHIWAKI Nagatoshi, Shu Seki, Shunichi Fukuzumi, Shinobu Itoh
Title: Copper Complexes of the Non-Innocent β-Diketiminate Ligand Containing Phenol Groups
Journal: Dalton Transactions, Vol. 42, No. 7, pp. 2438-2444
Year: 2013
-
Authors: NISHIWAKI Nagatoshi
Title: The Pseudo-Intramolecular Process: A Novel Synthetic Method for Functionalized Heterocyclic Compounds
Journal: Heterocycles, Vol. 87, No. 5, pp. 967-990
Year: 2013
-
Authors: CHEN Xin, KOBIRO Kazuya, ASAHARAHaruyasu, Kakiuchi Kiyomi, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Reactive 2-Quinolones Dearomatized by Steric Repulsion between 1-Methyl and 8-Substited Groups
Journal: Tetrahedron, Vol. 69, No. 23, pp. 4624-4630
Year: 2013
-
Authors: Yasuhiro Ishida, Kunihiro Kawatsu, Yuki Matsuoka, Kuniyo Yamada, Ryuuichi Ikariya, SAWAYAMA Jun, HIRAO Shotaro, NISHIWAKI Nagatoshi, SAIGO Kazuhiko
Title: Anomalous Effect of α,α,α-Trifluoroacetophenone Derivatives on a Conjugated Umpolung Reaction: Enantioselective Direct Self-Annulation of Enals Catalyzed by a Chiral Cyclophane-type N-Heterocyclic Carbene
Journal: Asian Journal of Organic Chemistry, Vol. 2, pp. 140-144
Year: 2013
-
Authors: LIU Yi, NISHIWAKI Nagatoshi, SAIGO Kazuhiko, SUGIMOTORyuichi
Title: Kinetics Study on 3-Hexylthiophene Polymerization with Iron(III) Chloride
Journal: Bulletin of the Chemical Society of Japan, Vol. 86, pp. 1076-1078
Year: 2013
-
Authors: Wang Pengyu, Kazuya Yokoyama, Tomoya Konishi, Nagatoshi Nishiwaki, Kazuya Kobiro
Title: Ultimately Simple One-pot Single-step Synthesis of Rare Earth Doped Spherical Mesoporous Metal Oxide Nanospheres with Upconversion Emission Ability in Supercritical Methanol
Journal: J. Supercrit. Fluids, Vol. 80, pp. 71-77
Year: 2013
-
Authors: CHEN Xin, Kana Sumoto, Tetuya Yamagami, Kazuya Yokoyama, Wang Pengyu, HIRAO Shotaro, NISHIWAKI Nagatoshi, KOBIRO Kazuya
Title: One-step and Non-catalytic Intramolecular Redox Reactions of Conjugated All E-Dienals to Non-conjugated Z-Enoic Acids in Subcritical Water
Journal: The Journal of Supercritical Fluids, Vol. 62, pp. 178-183
Year: 2012
-
Authors: HIRAO Shotaro, KOBIRO Kazuya, SAWAYAMA Jun, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Ring Construction via Pseudo-Intramolecular Hydrazonation Using Bifunctional δ-Keto Nitrile
Journal: Tetrahedron Letters, Vol. 53, No. 1, pp. 82-85
Year: 2012
-
Authors: Masahiko Shimoda, Tomoya Konishi, NISHIWAKI Nagatoshi, Yoshiyuki Yamashita, Hideki Yoshikawa
Title: Sulfur-Mediated Palladium Catalyst Immobilized on a GaAs Surface
Journal: Journal of Applied Physics, Vol. 111, p. 124908
Year: 2012
-
Authors: NISHIWAKI Nagatoshi, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko
Title: Practically Usable C3 Building Blocks for the Syntheses of Nitro Heterocycles
Journal: Heterocycles, Vol. 84, No. 1, pp. 115-134
Year: 2012
-
Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, ISE Yumiko, NISHIZAWA Maho, ARIGA Masahiro
Title: One-Step Synthesis of Differently Bis-Functionalized Isoxazoles by Cycloaddition of Carbamoylnitrile Oxide with β-Keto Esters
Journal: Organic & Biomolecular Chemistry, Vol. 10, pp. 1987-1991
Year: 2012
-
Authors: Tomoya Konishi, Yukiko Ueta, Motoi Hirayama, NISHIWAKI Nagatoshi, Shiro Tsukamoto
Title: S-Termination Effects for the Catalytic Activities of Pd on GaN(0001) Surfaces
Journal: Applied Surface Science, Vol. 258, No. 21, pp. 8334-8337
Year: 2012
-
Authors: NISHIWAKI Nagatoshi, KONISHI Tomoya, HIRAO Shotaro, YAMASHITA Yoshiyuki, Yoshikawa Hideki, SHIMODA Masahiko
Title: Hydroxylated Surface of GaAs as a Scaffold for Heterogeneous Pd Catalyst
Journal: Physical Chemistry Chemical Physics , Vol. 14, No. 4, pp. 1424-1430
Year: 2012
-
Authors: NISHIWAKI Nagatoshi, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, KOBIRO Kazuya
Title: Bicyclization Involving Pseudo-Intramolecular Imination with Diamines
Journal: Chemical Communications, Vol. 47, pp. 4938-4940
Year: 2011
-
Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, SAWAYAMA Jun, HIRAO Shotaro, SAIGO Kazuhiko, ISE Yumiko, OKAJIMA Yoshikazu, ARIGA Masahiro
Title: Inverse Electron-Demand 1,3-Dipolar Cycloaddition of Nitrile Oxide with Common Nitriles Leading to 3-Functionalized 1,2,4-Oxadiazoles
Journal: Organic & Biomolecular Chemistry, Vol. 9, pp. 6750-6754
Year: 2011
-
Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, Yoshikazu Okajima, Toshiharu Uehara, Asaka Maki, Masahiro Ariga
Title: An Anomalous Hydration/Dehydration Sequence for the Mild Generation of a Nitrile Oxide
Journal: Organic & Biomolecular Chemistry, Vol. 9, pp. 2832-2839
Year: 2011
-
Authors: Tomoya Konishi, NISHIWAKI Nagatoshi, Takashi Toujyou, Takuma Ishikawa, Teruki Teraoka, Yukiko Ueta, Yoshifumi Kihara, Hideji Moritoki, Tatsuo Tono, Mio Musashi, Takashi Tada, Seiji Fujikawa, Masamitsu Takahashi, Gavin Bell, Masahiko Shimoda, Shiro Tsukamoto
Title: Surface Study of Organopalladium Molecules on S-Terminated GaAs
Journal: Physica Status Solidi(C), Vol. 8, pp. 405-407
Year: 2011
-
Authors: Masahiko Shimoda, Tomoya Konishi, Nagatoshi Nishiwaki, Hideki Yoshikawa, Kiyoshi Tateishi, Takashi Toujyou, Shiro Tsukamoto, Mitsuhiro Arisawa, Naoyuki Hoshiya, Satoshi Shuto, Nobuhiro Isomura, Hiroshi Yokota, Yuji Furukawa, Kanji Iizuka, Toshiya Ogiwara, Yuko Isozaki, Yoshiyuki Yamashita, Shigenori Ueda, Keisuke Kobayashi
Title: Hard X-ray Photoemission Spectroscopic Investigation of Palladium Catalysts Immobilized on a GaAs(001) Surface
Journal: Journal of Applied Physics
Year: 2010
-
Authors: Nagatoshi Nishiwaki, Kazuya Kobiro
Title: One-Step Construction of 6-Aza-2-thiabicyclo[3.3.1]nona-3,7-diene Framework
Journal: Heterocycles, Vol. 81, pp. 2139-2142
Year: 2010
-
Authors: Nagatoshi Nishiwaki, Ryuichiro Kamimura, Kimihiro Shono, Toshihiko Kawakami, Katsuhisa Nakayama, Kohei Nishino, Takayuki Nakayama, Keisuke Takahashi, Aki Nakamura, Takahiro Hosokawa
Title: Efficient Double Bond Migration of Allylbenzenes Catalyzed by Pd(OAc)2-HFIP System with Unique Substituent Effect
Journal: Tetrahedron Letters, Vol. 51, pp. 3590-3592
Year: 2010
-
Authors: Nagatoshi Nishiwaki, Tomoya Konishi, Masahiko Shimoda, Shiro Tsukamoto
Title: Reusability, Durability and Treatability of Palladium Catalyst on a Semiconductor Plate: Comparison with Commercially Available Solid-Supported Palladium Catalysts
Journal: Journal of Inorganic and Organometallic Polymers and Materials, Vol. 20, pp. 873-876
Year: 2010
-
Authors: Asahara Motoki, Ohtsutsumi Masaki, Ariga Masahiro, NISHIWAKI Nagatoshi
Title: Regioselective Nitroalkylation of the 1-Methyl-2-quinolone Framework
Journal: Heterocycles, Vol. 78, pp. 2851-2854
Year: 2009
-
Authors: Yumi Nakaike, Daisuke Hayashi, NISHIWAKI Nagatoshi, Yoshito Tobe, Masahiro Ariga
Title: Formylnitroenamines: Useful Building Blocks for Nitrated Pyridones and Aminopyridines with Functional Groups
Journal: Organic & Biomolecular Chemistry, Vol. 7, pp. 325-334
Year: 2009
-
Authors: NISHIWAKI Nagatoshi, Masahiko Shimoda, Tomoya Konishi, Shiro Tsukamoto
Title: Green Chemical Catalyst Supported on S-Terminated GaN (0001)
Journal: Applied Physics Express, Vol. 2, No. 051002, pp. 1-3
Year: 2009
-
Authors: NISHIWAKI Nagatoshi, Kengo Kakutani, Mina Tamura, Masahiro Ariga
Title: Pseudo Intramolecular Cyclization of α-Nitro-δ-keto Nitrile Leading to 2-Amino-3-nitro-1,4-dihydropyridines
Journal: Chemistry Letters, Vol. 38, pp. 680-681
Year: 2009
-
Authors: NISHIWAKI Nagatoshi, Masataka Hisaki, Masaki Ono, Masahiro Ariga
Title: Synthesis of 2,6-Disubstituted Pyrido [2,3-b] [1,4] oxazines
Journal: Tetrahedron , Vol. 65, pp. 7403-7407
Year: 2009
-
Authors: NISHIWAKI Nagatoshi, Asaka Maki, Ariga Masahiro
Title: Base Induced Chemical Conversion of 3-Carbamoyl-2-isoxazolines
Journal: Journal of Oleo Science, Vol. 58, pp. 481-484
Year: 2009
-
Authors: NISHIWAKI Nagatoshi, NAKAIKE Yumi, ARIGA Masahiro
Title: Dimerization of Acetoacetamide Leading to 5-Carbamoyl-4,6-dimethyl-2-pyridone
Journal: Journal of Oleo Science, Vol. 57, pp. 53-54
Year: 2008
-
Authors: NISHIWAKI Nagatoshi, NOGAMI Tomoko, ARIGA Masahiro
Title: A Simple Synthesis of α-Nitro-δ-keto Nitrile
Journal: Heterocycles, Vol. 75, pp. 675-681
Year: 2008
-
Authors: NAKAIKE Yumi, TABA Noriko, ITOH Shinobu, TOBE Yoshito, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Nucleophilic Substitution Accompanying Carbon-Carbon Bond Cleavage Assisted by a Nitro Group
Journal: Bulletin of the Chemical Society of Japan, Vol. 80, pp. 2413-2417
Year: 2007
-
Authors: NISHIWAKI Nagatoshi, NISHIDA Yutaka, TOMINAGA Eiko, ARIGA Masahiro
Title: Nucleophilic β-Amination of Pyridine Nuclei
Journal: Tetrahedron Letters, Vol. 48, pp. 4361-4363
Year: 2007
-
Authors: NISHIWAKI Nagatoshi, TATSUMICHI Hiroshi, TAMURA Mina, ARIGA Masahiro
Title: Three Components Ring Transformation Affording Substituted 5-Nitropyridines and 4-Nitroanilines
Journal: Letters in Organic Chemistry, Vol. 3, pp. 629-633
Year: 2006
-
Authors: NISHIWAKI Nagatoshi, NISHIMOTO Toyosato, TAMURA Mina, ARIGA Masahiro
Title: Synthesis of N-Modified 4-Aminopyridine-3-carboxylates by Ring Transformation
Journal: Synlett, pp. 1437-1439
Year: 2006
-
Authors: TAMURA Mina, ISE Yumiko, OKAJIMA Yoshikazu, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Facile Synthesis of 3-Carbamoyl-1,2,4-Oxadiazoles
Journal: Synthesis, pp. 3453-3461
Year: 2006
-
Authors: HORI Kazushige, TAMURA Mina, TANI Keita, NISHIWAKI Nagatoshi, ARIGA Masahiro, TOHDA Yasuo
Title: Asymmetric Epoxidation Catalyzed by Novel Azacrown Ether-Type Chiral Quaternary Ammonium Salts under Phase-Transfer Catalytic Conditions
Journal: Tetrahedron Letters, Vol. 47, pp. 3115-3118
Year: 2006
-
Authors: SHIMOKAWA Chizu, TACHI Yoshimitsu, NISHIWAKI Nagatoshi, ARIGA Masahiro, ITOH Shinobu
Title: Structural Characterization of Copper(I) Complexes Supported by β-Diketiminate Ligands with Different Substitution Patterns
Journal: Bulletin of the Chemical Society of Japan, Vol. 79, pp. 118-125
Year: 2006
-
Authors: ASAHARA Motoki, NAGAMATSU Moriaki, TOHDA Yasuo, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Effective C-N Bond Formation on the 1-Methyl-2-quinolone Skeleton
Journal: ARKIVOC, Vol. i, pp. 1-6
Year: 2005
-
Authors: NISHIWAKI Nagatoshi, YAGI Hajime, SHINKAWA Takanobu, MATSUMOTO Makoto, TAMURA Mina, ARIGA Masahiro
Title: Improved Dimerization of Diethyl Acetonedicarboxylate Leading to Polyfunctionalized Phenol
Journal: Journal of Oleo Science, Vol. 54, pp. 461-464
Year: 2005
-
Authors: ASAHARA Motoki, SHIBANO Chika, KOYAMA Koichi, TAMURA Mina, TOHDA Yasuo, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: The Nitroalkene Showing Dual Behaviors in the Same Reaction System
Journal: Tetrahedron Letters, Vol. 46, pp. 7519-7521
Year: 2005
-
Authors: ASAHARA Motoki, OHTSUTSUMI Masaki, TAMURA Mina, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Electrophilic Arylation of Phenols: Construction of a New Family of 1-Methyl-2-quinolones
Journal: Bulletin of Chemical Society of Japan , Vol. 78, pp. 2235-2237
Year: 2005
-
Authors: NAKAIKE Yumi, KAMIJO Yoshio, MORI Satoshi, TAMURA Mina, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: A Convenient Method for Synthesizing Modified 4-Nitrophenols
Journal: The Journal of Organic Chemistry, Vol. 70, pp. 10169-10171
Year: 2005
-
Authors: NISHIWAKI Nagatoshi, OGIHARA Takuma, TAKAMI Toshiko, TAMURA Mina, ARIGA Masahiro
Title: New Synthetic Equivalent of Nitromalonaldehyde Treatable in Organic Media
Journal: The Journal of Organic Chemistry, Vol. 69, pp. 8382-8386
Year: 2004
-
Authors: ASAHARA Motoki, KATAYAMA Taku, TOHDA Yasuo, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Synthesis of Unnatural 1-Methyl-2-quinolone Derivatives
Journal: Chemical & Pharmaceutical Bulletin, Vol. 52, pp. 1334-1338
Year: 2004
-
Authors: ASAHARA Motoki, NAGAMATSU Moriaki, TOHDA Yasuo, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Diels-Alder Reaction of 1-Methyl-3,6,8-trinitro-2-quinolone
Journal: Journal of Heterocyclic Chemistry , Vol. 41, pp. 803-805
Year: 2004
-
Authors: NISHIWAKI Nagatoshi, YAMASHITA Keiko, AZUMA Mayumi, ADACHI Tomoko, TAMURA Mina, ARIGA Masahiro
Title: Novel Synthesis of Bihetaryl Compounds
Journal: Synthesis, pp. 1996-2000
Year: 2004
-
Authors: TAMURA Mina, NISHIMURA Tae, NISHIWAKI Nagatoshi, ARIGA Masahiro
Title: Reaction of 3,5-Dicyanoisoxazoles with Nucleophiles
Journal: Heterocycles, Vol. 63, pp. 1659-1665
Year: 2004
-
Authors: NISHIWAKI Nagatoshi, MATSUSHIMA Kazuo, CHATANI Miki, TAMURA Mina, ARIGA Masahiro
Title: New Reactivity of Nitropyrimidinone: Ring Transformation and N-C Transfer Reactions
Journal: Synlett, pp. 703-707
Year: 2004
-
Authors: NISHIWAKI Nagatoshi, MORIMURA Hiromi, MATSUSHIMA Kazuo, TAMURA Mina, ARIGA Masahiro
Title: A Novel Ring Transformation of Nitropyrimidinone Leading to Polyfunctionalized Pyridones
Journal: Heterocycles, Vol. 61, pp. 19-22
Year: 2003
-
Authors: SHIMOKAWA Chizu, YOKOTA Seiji, TACHI Yoshimitsu, NISHIWAKI Nagatoshi, ARIGA Masahiro, ITOH Shinobu
Title: Substituent Effects of β-Diketiminate Ligands on the Structure and Physicochemical Properties of Copper(II) Complexes
Journal: Inorganic Chemistry, Vol. 42, pp. 8395-8405
Year: 2003
-
Authors: NISHIWAKI Nagatoshi, NISHIDA Daisei, OHNISHI Tetsuya, HIDAKA Fumie, SHIMIZU Satoru, TAMURA Mina, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Transacylation of α-Aryl-β-keto Esters
Journal: The Journal of Organic Chemistry, Vol. 68, pp. 8650-8656
Year: 2003
-
Authors: NISHIWAKI Nagatoshi, OKAJIMA Yoshikazu, TAMURA Mina, ASAKA Noriko, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Facile Synthesis of Unsymmetrical 1,1-Diamino-2-nitroethenes and Functionalized Amidoximes
Journal: Heterocycles, Vol. 60, pp. 303-308
Year: 2003
-
Authors: NISHIWAKI Nagatoshi, AZUMA Mayumi, TAMURA Mina, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Facile Synthesis of Functionalized 4-Aminopyridines
Journal: Chemical Communications, pp. 2170-2171
Year: 2002
-
Authors: NISHIWAKI Nagatoshi, OGIHARA Takuma, TAMURA Mina, ASAKA Noriko, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: A New Approach to 6-Nitro-1H-[1,4]-diazepines
Journal: Heterocycles, Vol. 57, pp. 425-428
Year: 2002
-
Authors: NISHIWAKI Nagatoshi, MATSUSHIMA Kazuo, TAMURA Mina, ASAKA Noriko, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Unusual Ring Transformation of N-Hydroxy-3,5-dinitro-4-pyridone Affording Polyfunctionalized Pyrrole
Journal: ARKIVOC, Vol. x, pp. 34-39
Year: 2002
-
Authors: NISHIWAKI Nagatoshi, SAKASHITA Midori, AZUMA Mayumi, TANAKA Chitose, TAMURA Mina, ASAKA Noriko, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Novel Functionalization of 1-Methyl-2-quinolone; Dimerization and Denitration of Trinitroquinolone
Journal: Tetrahedron, Vol. 58, pp. 473-478
Year: 2002
-
Authors: YOKOTA Seiji, TACHI Yoshimitsu, NISHIWAKI Nagatoshi, ARIGA Masahiro, ITOH Shinobu
Title: A New β-Diketiminate Ligand Carrying a Functional Group on the Carbon Framework. Synthesis and Characterization of a Linear Polymeric Copper(I) Complex
Journal: Inorganic Chemistry, Vol. 40, pp. 5316-5317
Year: 2001
-
Authors: KNUNDSEN Kristian Rahbek, RISGAARD Tine, NISHIWAKI Nagatoshi, GOTHELF Kurt V., JØRGENSEN Karl Anker
Title: The First Catalytic Asymmetric Aza-Henry Reaction of Nitronates with Imines – A Novel Approach to Optically Active β-Nitro-α-Amino Acid- and α,β-Diamino Acid Derivatives
Journal: Journal of the American Chemical Society, Vol. 123, pp. 5843-5844
Year: 2001
-
Authors: NISHIWAKI Nagatoshi, KNUNDSEN Kristian Rahbek, GOTHELF Kurt V., JØRGENSEN Karl Anker
Title: Catalytic Enantioselective Addition of Nitro Compounds to Imines – A Simple Approach for the Synthesis of Optically Active β-Nitro-α-Amino Esters
Journal: Angewandte Chemie International Edition , Vol. 40, pp. 2992-2995
Year: 2001
-
Authors: NISHIWAKI Nagatoshi, OHTOMO Hiromi, TAMURA Mina, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Synthetic Equivalent of α-Nitroformylacetic Acid
Journal: Heterocycles, Vol. 55, pp. 1581-1582
Year: 2001
-
Authors: NISHIWAKI Nagatoshi, NAKANISHI Masataka, HIDA Takahiko, MIWA Yuko, TAMURA Mina, HORI Kazushige, TOHDA Yasuo, ARIGA Masahiro
Title: Synthesis of 2,3-Difunctionalized 4-Nitropyrroles
Journal: The Journal of Organic Chemistry, Vol. 66, pp. 7535-7538
Year: 2001
-
Authors: NISHIWAKI Nagatoshi, Tomoko Adachi, Kengo Matsuo, Hui-Ping Wang, Tomoko Matsunaga, Yasuo Tohda, Masahiro Ariga
Title: Two Ring Transformations of 3-Methyl-5-nitropyrimidin-4(3H)-one for the Construction of Azaheterocycles
Journal: Journal of Chemical Society, Perkin Transactions 1, pp. 27-32
Year: 2000
-
Authors: NISHIWAKI Nagatoshi, Mayumi Azuma, Chitose Tanaka, Noriko Asaka, Makoto Shoda, Yasuo Tohda, Masahiro Ariga
Title: Dimerization and Denitration of 1-Methyl-3,6,8-trinitro-2-quinolone
Journal: Heterocycles, Vol. 53, pp. 543-544
Year: 2000
-
Authors: NISHIWAKI Nagatoshi, Yukiko Mizukawa, Reiko Terai, Yasuo Tohda, Masahiro Ariga
Title: 3-Methyl-5-nitropyrimidin-4(3H)-one: An Excellent Precursor for Functionalized Nitroenamines
Journal: Arkivoc , No. ii, pp. 103-111
Year: 2000
-
Authors: NISHIWAKI Nagatoshi, Chitose Tanaka, Motoki Asahara, Noriko Asaka, Yasuo Tohda, Masahiro Ariga
Title: A Nitro Group Distorting 2-Quinolone Skeleton
Journal: Heterocycles, Vol. 51, pp. 567-574
Year: 1999
-
Authors: NISHIWAKI Nagatoshi, Tomoko Nogami, Chitose Tanaka, Fuminori Nakashima, Yoji Inoue, Noriko Asaka, Yasuo Tohda, Masahiro Ariga
Title: Application of Cyano-aci-nitroacetate to Organic Syntheses 1.; Facile Synthesis of Pentanedinitrile-2,4-dinitronates
Journal: The Journal of Organic Chemistry, Vol. 64, pp. 2160-2162
Year: 1999
-
Authors: NISHIWAKI Nagatoshi, Tomoko Nogami, Takayasu Kawamura, Noriko Asaka, Yasuo Tohda, Masahiro Ariga
Title: One-Pot Synthesis of Polyfunctionalized Isoxazol(in)es
Journal: The Journal of Organic Chemistry, Vol. 64, pp. 6476-6478
Year: 1999
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Authors: NISHIWAKI Nagatoshi, Toshiharu Uehara, Noriko Asaka, Yasuo Tohda, Masahiro Ariga, Shuji Kanemasa
Title: Improved Generation Method for Functionalized Nitrile Oxide
Journal: Tetrahedron Letters, Vol. 39, pp. 4851-4852
Year: 1998
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Authors: Yasuo Tohda, Takeshi Yanagidani, Shin-ichi Hiramatsu, NISHIWAKI Nagatoshi, Keita Tani, Kazuko Imagawa, Masahiro Ariga
Title: Synthesis via 2-Acylmethyl-2-oxazoline. 1. A Novel Synthesis of 3-Acyl-2-pyridones by Michael Addition of 2-Acylmethyl-2-oxazoline to α,β-Acetylenic Ketones
Journal: Bulletin of Chemical Society of Japan, Vol. 70, pp. 2781-2790
Year: 1997
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Authors: Masahiro Ariga, NISHIWAKI Nagatoshi, Yuko Miwa, Keita Tani, Yasuo Tohda
Title: 2-Methyl-4-nitroisoxazolin-5-one: Ring Transformation to 3-Nitropyrroles
Journal: Heterocycles, Vol. 44, pp. 81-84
Year: 1997
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Authors: NISHIWAKI Nagatoshi, Yasuo Tohda, Masahiro Ariga
Title: Nitropyrimidinones; Synthetic Equivalents of Diformylamine and Nitromalonaldehyde
Journal: Synthesis, pp. 1277-1280
Year: 1997
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Authors: NISHIWAKI Nagatoshi, Hui-Ping Wang, Kengo Matsuo, Yasuo Tohda, Masahiro Ariga
Title: Novel Ring Transformation of Nitropyrimidinone; Synthetic Equivalents of α-Nitroformylacetic Acid
Journal: Journal of Chemical Society, Perkin Transactions 1, pp. 1277-1280
Year: 1997
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Authors: NISHIWAKI Nagatoshi, Yasuo Tohda, Masahiro Ariga
Title: Aminolysis of 1-Methyl-5-nitropyrimidin-2(1H)-one; Facile Synthesis of Functionalized Nitroenamines. III.
Journal: Bulletin of Chemical Society of Japan, Vol. 69, pp. 1997-2002
Year: 1996
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Authors: NISHIWAKI Nagatoshi, Masahiro Ariga, Mitsuo Komatsu, Yoshiki Ohshiro
Title: Intramolecular Reissert-Henze Reaction of Isoxazolo[2,3-a]pyridinium Salt; Facile Synthesis of Functionalized Phenacylpyridines from Ethynylpyridines
Journal: Heterocycles, Vol. 43, pp. 1179-1184
Year: 1996
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Authors: NISHIWAKI Nagatoshi, Yukiko Mizukawa, Mami Ohta, Reiko Terai, Yasuo Tohda, Masahiro Ariga
Title: Facile Synthesis of Functionalized Nitroenamines by Aminolysis of Nitropyrimidinone
Journal: Heterocyclic Communications, Vol. 2, pp. 21-24
Year: 1996
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Authors: NISHIWAKI Nagatoshi, Eriko Wakamura, Yukihiro Nishida, Yasuo Tohda, Masahiro Ariga
Title: Facile Synthesis of Functionalized Nitroenamines. II. Ring Opening Reaction of Hydrated 1-Methyl-5-nitropyrimidin-4(1H)-one
Journal: Heterocyclic Communications, Vol. 2, pp. 129-134
Year: 1996
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Authors: NISHIWAKI Nagatoshi, Aya Tanaka, Mitsue Uchida, Yasuo Tohda, Masahiro Ariga
Title: cine-Substitution of 1-Methyl-3,6,8-trinitro-2-quinolone
Journal: Bulletin of Chemical Society of Japan, Vol. 69, pp. 1377-1381
Year: 1996
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Authors: NISHIWAKI Nagatoshi, Yuji Takada, Yoji Inoue, Yasuo Tohda, Masahiro Ariga
Title: Ring Opening Reaction of the Pyridinium Salt of 4-Nitro-3-isoxazolin-5-one; A Preparation of Trifunctionalized Methane Derivatives
Journal: Journal of Heterocyclic Chemistry, Vol. 32, pp. 473-475
Year: 1995
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Authors: Keita Tani, Hiromi Seo, Migiwa Maeda, Kazuko Imagawa, NISHIWAKI Nagatoshi, Masahiro Ariga, Yasuo Tohda, Hiroyuki Higuchi, Hiro Kuma
Title: Synthesis and Properties of Tetrakisbridged Parallel- and Cross-Orientation Biphenylophanes
Journal: Tetrahedron Letters, Vol. 36, pp. 1883-1886
Year: 1995
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Authors: NISHIWAKI Nagatoshi, Tomoko Matsunaga, Yasuo Tohda, Masahiro Ariga
Title: Novel Synthesis of Substituted Pyrimidines: A Ring Transformation of 3-Methyl-5-nitropyrimidin-4(3H)-one
Journal: Heterocycles, Vol. 38, pp. 249-252
Year: 1994
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Authors: Yasuo Tohda, Tohru Kawahara, Miyuki Eiraku, Keita Tani, NISHIWAKI Nagatoshi, Masahiro Ariga
Title: Nucleophilic Reaction upon Electron-Deficient Pyridone Derivatives. XIII. Regioselective Synthesis of 2-Substituted 3-Nitropyridines by One-Pot Reaction of Either 4- or 6-Substituted 1-Methyl-3,5-dinitro-2-pyridones with Ketones and Ammonia
Journal: Bulletin of Chemical Society of Japan, Vol. 67, pp. 2176-2186
Year: 1994
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Authors: Yasuo Tohda, Keita Tani, Norihiko Yamawaki, Masahiro Ariga, NISHIWAKI Nagatoshi, Katsuroh Kotani, Eizo Matsumura
Title: Nucleophilic Reaction upon Electron-Deficient Pyridone Derivatives. XII. Novel Additions of 3,5-Dinitro-2-pyridone with Ethyl Vinyl Ether: Formation and Reactions of a Six-membered Cyclic Nitronate
Journal: Bulletin of Chemical Society of Japan, Vol. 66, pp. 1222-1228
Year: 1993
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Authors: Suguru Higashida, Hiroko Nakashima, Yasuo Tohda, Keita Tani, NISHIWAKI Nagatoshi, Masahiro Ariga
Title: A Novel Nitrile Oxide Precursor; 2-Methyl-4-nitro-5(2H)-isoxazolone
Journal: Heterocycles, Vol. 34, pp. 1511-1514
Year: 1992
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Authors: NISHIWAKI Nagatoshi, Yuji Takada, Keita Tani, Yasuo Tohda, Masahiro Ariga
Title: Preparation of N-Acetyl-4-nitroisoxazol-5(2H)-one and Application as Mild Acetylating Agent
Journal: Chemistry Express, Vol. 7, pp. 845-848
Year: 1992
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Authors: NISHIWAKI Nagatoshi, Mitsuo Komatsu, Yoshiki Ohshiro
Title: A Facile Synthesis of 1,6-Naphthyridin-5(6H)-ones
Journal: Synthesis, pp. 41-42
Year: 1991
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Authors: NISHIWAKI Nagatoshi, Kiyonori Furuta, Mitsuo Komatsu, Yoshiki Ohshiro
Title: Oligomer of Indolizine Derivatives and its pH Sensitive Behavior
Journal: Polymer Journal, Vol. 23, pp. 789-794
Year: 1991
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Authors: NISHIWAKI Nagatoshi, Mitsuo Komatsu, Yoshiki Ohshiro
Title: Effective Synthesis of 7-Benzylidenefuro[3,4-b]pyridin-5-one
Journal: Heterocycles, Vol. 32, pp. 1013-1016
Year: 1991
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Authors: NISHIWAKI Nagatoshi, Satoshi Minakata, Mitsuo Komatsu, Yoshiki Ohshiro
Title: Syntheses of Bicyclic Pyridine Derivatives from 3-Substituted 2-(Phenylethynyl)pyridines
Journal: Synlett, pp. 273-275
Year: 1990
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Authors: NISHIWAKI Nagatoshi, Kiyonori Furuta, Mitsuo Komatsu, Yoshiki Ohshiro
Title: Novel Synthesis of Indolizines
Journal: Journal of Chemical Society, Chemical Communications, pp. 1151-1152
Year: 1990
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Authors: NISHIWAKI Nagatoshi, Satoshi Minakata, Mitsuo Komatsu, Yoshiki Ohshiro
Title: A Novel Ethynylation of Pyridines by Reissert-Henze Type Reaction
Journal: Chemistry Letters, pp. 773-776
Year: 1989
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