Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Eriko Osawa"'
Publikováno v:
YAKUGAKU ZASSHI. 121:1005-1010
Preparative constant-current electrolysis of N,N-dimethylaniline(100 mM, DMA) was carried out in dry acetonitrile containing Et4NClO4 to give N,N,N',N'-tetra-methylbenzidine(TMB) and 4,4'-methylenebis(N,N-dimethylaniline) (MDMA). In the presence of H
Publikováno v:
Biological and Pharmaceutical Bulletin. 24:1277-1281
Coptisine and 8-oxocoptisine were isolated as principles of the gastric-mucous membrane protection from Coptidis rhizoma. The two compounds showed stronger activity than cimetidine and sucralfate. We prepared several derivatives having a partial stru
Publikováno v:
Chemico-Biological Interactions. 125:39-50
The relative importance of the liver and kidney for glycine conjugation of ortho-substituted benzoic acids was investigated. Glycine conjugation of ortho-substituted benzoic acids was investigated in mouse liver and kidney mitochondria. The extent of
Autor:
Tooru Taga, Eriko Osawa, Ayako Toda, Yoshihisa Miwa, Yumiko Yamaoka, Toshiro Ibuka, Nobutaka Fujii, Hiroaki Ohno
Publikováno v:
Tetrahedron Letters. 40:1331-1334
Whereas treatment of the allylic mesylates of N -protected 2-alkyl-4-amino-( E )-2-alken-1-ols with sodium hydride in DMF yields exclusively the corresponding 2,3- trans -2-alkenyl-3-alkylaziridines, exposure of the methyl carbonates of N -protected
Autor:
Kiyonori Ishii, Yoshiji Takemoto, Nobutaka Fujii, Toshiro Ibuka, Hiroaki Ohno, Yumiko Yamaoka, Eriko Osawa
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :2155-2164
A simple method for the synthesis of both cis-2-vinylaziridines and 3-pyrrolines from common intermediate (Z)-4-(N-arylsulfonyl)amino-4-alkylbut-2-en-1-ols, is described. Palladium(0)-catalyzed reactions of methyl carbonates of the N-protected (Z)-4-
Publikováno v:
YAKUGAKU ZASSHI. 119:780-785
Dichloromethane containing metalloporphyrins [meso-tetraphenylporphyrinatomanganese(III) chloride (1) or meso-tetraphenylporphyrinatoiron(III) chloride (2)] and Bu4NClO4 was treated with an aqueous solution of NaOH (5%), and subjected to controlled p
Autor:
Eriko Osawa, Hiroaki Ohno, Yoshihisa Miwa, Toshiro Ibuka, Nobutaka Fujii, Yumiko Yamaoka, Tooru Taga, Ayako Toda
Publikováno v:
ChemInform. 30
Whereas treatment of the allylic mesylates of N -protected 2-alkyl-4-amino-( E )-2-alken-1-ols with sodium hydride in DMF yields exclusively the corresponding 2,3- trans -2-alkenyl-3-alkylaziridines, exposure of the methyl carbonates of N -protected
Autor:
Tooru Taga, Ayako Toda, Nobutaka Fujii, Hiroaki Ohno, Eriko Osawa, Toshiro Ibuka, Yoshihisa Miwa, Yumiko Yamaoka
Publikováno v:
ChemInform. 30
Autor:
Eriko Osawa, Hiroaki Ohno, Nobutaka Fujii, Yoshiji Takemoto, Toshiro Ibuka, Yumiko Yamaoka, Kiyonori Ishii
Publikováno v:
ChemInform. 30
A simple method for the synthesis of both cis-2-vinylaziridines and 3-pyrrolines from common intermediate (Z)-4-(N-arylsulfonyl)amino-4-alkylbut-2-en-1-ols, is described. Palladium(0)-catalyzed reactions of methyl carbonates of the N-protected (Z)-4-
Publikováno v:
Chemical and Pharmaceutical Bulletin. 47:1035-1037
Dimerization of cation redicals derived from 2-cyano-2-phenylvinylamines (1) to produce diphenylmethane derivatives (Ph-CH(CN)-C6H4-C(CN)=CH-NR2R3, 2) was re-examined by the AM1 (Austin model 1) method.However, dimerization of cation radicals derived