Search Results - "ARAI, HEIHACHIRO"

Design, synthesis and antiinflammatory activity of a new indomethacin ester. 2-(N-(3-{3-(piperidinomethyl)phenoxy}propyl)carbamoylmethylthio)ethyl 1-(p-chlorobenzoyl)-5-methoxy-2-methylindole-3-acetate by UEDA, Ikuo, ISHII, Katsuyuki, ARAI, Heihachiro, IKEDA, Shin-ichi, HITOMI, Yuji, HATANAKA, Minoru

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Synthesis and pharmacological properties of N-(3-{3-(1-piperidinylmethyl)phenoxy}propyl)-2-(2-hydroxyethylthio)acetamide and related compounds as antiulcer agents. I by UEDA, Ikuo, ISHII, Katsuyuki, SHINOZAKI, Katsuo, SEIKI, Masao, ARAI, Heihachiro, HATANAKA, Minoru

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HALOGENATION OF 1, 2, 3-TRIAZINES by Kaihoh, Terumitsu, Ohsawa, Akio, Itoh, Takashi, Arai, Heihachiro, Igeta, Hiroshi

“…4, 6-Dimethyl-1, 2, 3-triazine was treated with bromine and chlorine under mild conditions to give the corresponding 5-halo derivatives. The electrophlic…”
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Synthesis of 1, 2, 3-Triazine N-Oxides by OHSAWA, AKIO, ARAI, HEIHACHIRO, OHNISHI, HIDEFUMI, KAIHOH, TERUMITSU, YAMAGUCHI, KENTARO, IGETA, HIROSHI, IITAKA, YOICHI

“…N-Oxidation of substituted 1, 2, 3-triazines afforded the 1- and/or 2-oxides. The molecular structure of 4, 5, 6-triphenyl-1, 2, 3-triazine 2-oxide was studied…”
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Photochemistry. VI. Photo-induced Methylation of Pyridazines by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, IGETA, HIROSHI

“…Irradiation of Pyridazine (Ia) in methanol containing 5% HC1, afforded 4-methylated and 4, 5-dimethylated compounds. 3-Methylpyridazine (Ib) gave 4-methylated…”
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Photochemstry. IV. Photolyses of 3-Chloro- and 3-Hydroxy-6-phenylpyridazines in Methanol Containing Hydrogen Chloride by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, KAWAMURA, HIROYUKI, IGETA, HIROSHI

“…Photolysis of 3-hydroxy-6-phenylpyridazine (III) in CH3OH containing 5% HCl, afforded methyl 3-benzoylpropanoate (V) and methyl 2-methyl-3-benzoylpropanoate…”
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THE STRUCTURE OF 1, 2, 3-TRIAZINE by Yamaguchi, Kentaro, Ohsawa, Akio, Arai, Heihachiro, Ohnishi, Hidefumi, Igeta, Hiroshi, Iitaka, Yoichi

“…The structure of 1, 2, 3-triazine was elucidated by X-ray crystallographic analysis, and ab initio SCF-MO calculations were performed for this compound based…”
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Studies on Diazepines. VI. Photolysis of 1H-1, 2-Diazepine and Azepine Epidioxides by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, HASEGAWA, HIROSHI, IGETA, HIROSHI

“…The photolysis of 1H-1, 2-diazepine 4, 7-epidioxides (1) with a low pressure mercury lamp resulted in the formation of 5-ethoxy-1, 3, 4-oxadiazoles (3), azoxy…”
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Photochemistry. X. Photolysis of Tetrazolo [1, 5-b] pyridazines by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, IGETA, HIROSHI

“…Photolysis of 3-azidopyridazine, i.e., tetrazolo [1, 5-b] pyridazine (I) was examined. Unsubstituted and methyl-substituted compounds (Ia-d) afforded…”
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Photochemistry. II. Formation of Methyl Paraconates and Dimethyl Succinates from Pyridazines by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, IGETA, HIROSHI

“…Irradiation of 6-chloro-3 (2H) pyridazones (I), maleic hydrazides (IV), and 3, 6-dichloropyridazines (V and VI) in methanol containing HC1, afforded…”
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A Photochemical Preparation of N-Substituted Pyrroles from Pyridazine N-Oxides by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, IGETA, HIROSHI

“…Irradiation of a mixture of pyridazine N-oxide (I) and primary amine dissolved in dichloromethane resulted in the formation of the corresponding N-substituted…”
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Photochemistry. XII. Photochemical Behavior of 2-Methyl-3 (2H)-pyridazinone 1-Oxides by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, HASEBE, MASATO, IGETA, HIROSHI

“…Irradiation of 6-unsubstituted-2-methyl-3 (2H)-pyridazinone 1-oxide (5) in neutral alcohol resulted in the ring contraction to form N-methylamino-isomaleimide…”
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Photochemistry. VII. Photolyses of Polyphenylpyridazine N-Oxides by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, TONAMI, TATSUO, IGETA, HIROSHI

“…3, 4, 5, 6-Tetraphenylpyridazine 1-oxide (II) was irradiated in acetone or dichloromethane with high pressure mercury lamp (200W) for 3 hr, affording…”
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Photochemistry. XI. Photochemical ring contraction of 3(2H)-pyridazinones to 1-amino-.DELTA.3-pyrrolin-2-ones by TSUCHIYA, TAKASHI, HASEBE, MASATO, ARAI, HEIHACHIRO, IGETA, HIROSHI

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Photochemistry. V. Photocyclization of 3, 4, 6-Tri- and 3, 4, 5, 6- Tetraphenylpyridazines. Formation of 1, 2-Diazapolyarenes by TSUCHIYA, TAKASHI, ARAI, HEIHACHIRO, TONAMI, TATSUO, IGETA, HIROSHI

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Sodium Borohydride Reduction of 1, 2, 3-Triazine Derivatives by OHSAWA, AKIO, ARAI, HEIHACHIRO, OHNISHI, HIDEFUMI, KAIHOH, TERUMITSU, ITOH, TAKASHI, YAMAGUCHI, KENTARO, IGETA, HIROSHI, IITAKA, YOICHI

“…The reduction of substituted monocyclic 1, 2, 3-triazines with sodium borohydride in methanol afforded their 2, 5-dihydro derivatives. The reduction of their…”
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New Potent Prolyl Endopeptidase Inhibitors: Synthesis and Structure-Activity Relationships of Indan and Tetralin Derivatives and Their Analogs by Tanaka, Yoshiaki, Niwa, Seiichi, Nishioka, Hiroyasu, Yamanaka, Takeshi, Torizuka, Motoki, Yoshinaga, Koji, Kobayashi, Naomi, Ikeda, Yugo, Arai, Heihachiro

“…New compounds were synthesized by structural modification of 1-[1-(4-phenylbutanoyl)-L-prolyl]-pyrrolidine (SUAM-1221, 1) or…”
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1,2,3-トリアジン 2-イミンの合成, 構造及び反応 by 大沢, 昭緒, 新井, 平八郎, 大西, 英文, 伊藤, 喬, 山口, 健太郎, 海宝, 輝光, 川畑, 千香子, 井下田, 浩

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Photo-induced Oxygenation of Hydrocarbons by Pyridazine N-oxides by IGETA, HIROSHI, TSUCHIYA, TAKASHI, YAMADA, MUTSUMI, ARAI, HEIHACHIRO

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1,2,3-トリアジン誘導体の水素化ホウ素ナトリウムによる還元 by 大沢, 昭緒, 新井, 平八郎, 大西, 英文, 海宝, 輝光, 伊藤, 喬, 山口, 健太郎, 井下田, 浩, 飯高, 洋一

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