Search Results - "IKEDA, NISABURO"

Studies on 2, 3-Substituted 1, 4-Naphthoquinones. VII: Mode of Action of 2- and 2, 3-Substituted 1, 4-Naphthoquinones by Ikeda, Nisaburo

“…The antibacterial action of 1, 4-naphthoquinones substituted in 2- or 2, 3-positions vary in accordance with the substituents. The compounds with a strong…”
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Constituents of Bile from Marine Animals by Minato, Akira, Ikeda, Nisaburo

“…Cholic acid, taurine and cholesterol were identified from the bile of Seriola quinqueradiata belonging to Toleostei. Another sterol series crystals of m.p…”
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Fischer indolization and its related compounds. XVIII. Formation of four unexpected angular benz(e)indoles on Fischer indolization of ethyl phenylpyruvate 2-((1,4-dimethoxy-2-naphthyl)hydrazone) by ISHII, HISASHI, MURAKAMI, YASUOKI, WATANABE, TOSHIKO, SUZUKI, HIDEHARU, YASUDA, ZENKICHI, IKEDA, NISABURO, MITSUI, HIDEKI, TANI, SHOHEI

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Fischer Indolization and Its Related Compounds. VI. Effect of Reagents and Substituent of the ortho-Substituted Phenylhydrazone on Abnormal Fischer Indolization by ISHII, HISASHI, MURAKAMI, YASUOKI, FURUSE, TOKUO, HOSOYA, KATSUHIRO, IKEDA, NISABURO

“…Treatment of ethyl pyruvate 2-methoxyphenylhydrazone (1) with Lewis acid gave 5-substituted and/or 5-methoxy-indole products with ethyl…”
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Fundamental Studies on Molluscicides against Onchomelania nosophora, the Intermediate Host of Schistosoma japonicum. I by Miyaki, Komei, Ikeda, Nisaburo, Ishii, Nobutaro, Mitoma, Yasuko

“…Twenty-three chemicals out of seventy-two were found to be toxic to snails, O. nosophora, the intermediate host of Schistosoma japonicum. It seems that there…”
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Oxidation of 6-Methyl-2-phenylbenzofuran with Chromic Acid under Various Conditions. An Abnormal Dimeric Oxidation Product of the Benzofuran Derivative. Studies on the Heterocyclic Quinones. V by ISHII, HISASHI, ISHIKAWA, YOSHIMI, MIZUKAMI, KEIZO, MITSUI, HIDEKI, IKEDA, NISABURO

“…Oxidation of 6-methyl-2-phenylbenzofuran with chromium trioxide in acetic acid gave an unusual dimeric oxidation product, 2, 2'-dibenzoyloxy-4,…”
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Development of "Abnormal" Fischer Indolization to Syntheses of 3, 6'-Biindole and Its Derivatives by ISHII, HISASHI, MURAKAMI, YASUOKI, HOSOYA, KATSUHIRO, FURUSE, TOKUO, TAKEDA, HARUKI, IKEDA, NISABURO

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The Orientation of Oxidation of 7-Hydroxy-2- and -3-phenylbenzo [b] thiophenes with Fremy's Sa1t. : The Steric Effect of 3-Phenyl Substituent : The Studies on the Heterocyclic Quinones. III by ISHII, HISASHI, HANAOKA, TADASHI, SUGANO, HARUO, IKEDA, NISABURO

“…The structural confirmations of the migration product of phenyl group in benzo [b] thiophene derivatives from C3 to C2-position during the following reactions…”
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The Nuclear Magnetic Resonance of Some Heterocyclic Quinones and Related Compounds : The Orientation of Oxidation of 4-Hydroxy-2-phenyl-benzoxazole and 1-Hydroxydibenzo-p-dioxin with the Fremy's Salt : Studies on Heterocyclic Quinones. IV by ISHII, HISASHI, KONNO, MUTSUO, WAKABAYASHI, MIDORI, KURIYAGAWA, FUKUKO, IKEDA, NISABURO

“…Examination of the nuclear magnetic resonance (NMR) and the spin system of 12 compounds of heterocyclic quinone (Table I) showed that the quinoid proton signal…”
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Oxidation with Fremy's Salt. VI. Syntheses of Several 5-Alkyl (and Phenyl)-1-naphthols by ISHII, HISASHI, HANAOKA, TADASHI, IKEDA, NISABURO

“…In order to examine oxidation with Fremy's salt, 5-phenyl-1-naphthol (21) (mp 93-94°), 5-methyl-1-naphtol (22) (mp 93-94°), 5-ethyl-1-napthol (23) (mp 78-80°),…”
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Antibacterial Properties of 2-Substituted 1, 4-Naphthoquinones. I by Miyaki, Komei, Ikeda, Nisaburo, Ito, Yoshimi, Mizuno, Daiji

“…Methyl-, ethyl-, chloro-, hydroxy-, amino-, anilino-, anisidino-, phenetidino-, methylmercapto- and ethylmercapto-1, 4-naphthoquinones were synthesized and…”
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The Orientation of Oxidation of 7-Hydroxy-2, 3-diphenylbenzofuran and -benzo [b]-thiophene with Fremy's Salt : The Studies on the Heterocyclic Quinones. II by ISHII, HISASHI, OHTAKE, REIKO, OHIDA, HIROKO, MITSUI, HIDEKI, IKEDA, NISABURO

“…Oxidation of 7-hydroxy-2, 3-diphenylbenzofuran (III) with Fremy's salt, [ON (SO3K)2], gives 4, 7-dihydro-2, 3-diphenylbenzofuran-4, 7-dione (IX), mp 240-241°,…”
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Syntheses of 1, 3, 4-Thiadiazole Derivatives by IKEDA, NISABURO, YADA, ATSUYO, TAKASE, KUNIO

“…A new general method for synthesis of 5-aryl-2-methyl-1, 3, 4-thiadiazoles by the reaction of ethyl dithioacetate and acylhydrazine in boiling ethanol was…”
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1,4-ナフトキノン2位及び2,3位置換体の抗菌性 (第6報): Alkyl (aryl) amino-1, 4-naphthoquinone類の抗菌性 by 池田, 仁三郎

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2,3位置換1,4-ナフトキノン類の研究 (第7報): 1,4-ナフトキノン2位及び2,3位置換体の抗菌機構について by 池田, 仁三郎

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1,4-ナフトキノン2位及び2,3位置換体の抗菌性 (第5報): Arylthio-1,4-nqphthoquinone類の抗菌性 by 池田, 仁三郎

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Oxidation with Fremy's Salt. VII. Syntheses of Several 5-Substituted-1-naphthols by ISHII, HISASHI, HARADA, YAEKO, ASAKA, TOSHIFUMI, MURAKAMI, YASUOKI, HANAOKA, TADASHI, IKEDA, NISABURO

“…In order to examine the peri effect in the oxidation with Fremy's salt, 5-fluoro- (mp 135-136°), 5-chloro- (mp 134-136°), 5-bromo- (mp 136-137°), 5-iodo- (mp…”
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Fremy塩による酸化(第6報)数種の5-アルキル(ならびにフェニル)-1-ナフトール類の合成 by 石井, 永, 花岡, 正, 池田, 仁三郎

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海産動物膽汁酸成分の研究 by 湊, 顯, 池田, 仁三郎

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The Orientation of Oxidation of 2, 3-Diphenyl-7-hydroxyindole and Its N-Methyl Derivative with the Fremy's Salt : Studies on the Heterocyclic Quinones. I by ISHII, HISASHI, FURUSE, TOKUO, KONNO, MUTSUO, MITSUI, HIDEKI, IKEDA, NISABURO

“…Oxidation of 2, 3-diphenyl-7-hydroxyindole (VI) with Fremy's salt, [ON (SO3K)2] gave 4, 7-dihydro-2, 3-diphenylindole-4, 7-dione (X), mp 226-227°, (yield,…”
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