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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 JP36176ApriorityCriticalpatent/JPS5283782A/en
Publication of JPS5283782ApublicationCriticalpatent/JPS5283782A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PURPOSE: 7-Acylamino-3-fluoromethyl-3-cephem-4-carboxylic acids or their derivatives at the carboxyl group of formula I(R is acyl), such as 7-phenylacetoamido-3-fluoromethyl-3-cephem-4-carboxylic t-butyl ester. They are characteristics in the 3-fluoro methyl group.