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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Application filed by Fujisawa Pharmaceutical Co LtdfiledCriticalFujisawa Pharmaceutical Co Ltd
Priority to JP23337587ApriorityCriticalpatent/JPS6475492A/en
Publication of JPS6475492ApublicationCriticalpatent/JPS6475492A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
NEW MATERIAL:A compound expressed by formula I [R<1> is (protected) amino; R<2> is carboxyl lower alkyl; R<3> is lower alkyl] and salts thereof. EXAMPLE:7-[2-(5-Amino-1,2,4-thiadiazole-3-yl)-2-carboxymethoxyiminoace tamide]- 3-(1-methyl-1-pyrrolidinio)methyl-3-cephem-4-carboxylate( syn isomer). PREPARATION:A compound expressed by formula II or reactive derivative in the amino group of the above-mentioned compound or salts thereof are reacted with a compound expressed by formula III or reactive derivative in the carboxylic group or salts thereof.
JP23337587A1987-09-171987-09-17Novel cephem compound and salts thereof
PendingJPS6475492A
(en)