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Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
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Publication date
Application filed by Hodogaya Chemical Co LtdfiledCriticalHodogaya Chemical Co Ltd
Priority to JP244276ApriorityCriticalpatent/JPS5287185A/en
Publication of JPS5287185ApublicationCriticalpatent/JPS5287185A/en
PURPOSE: To obtain cephalosporanic acid derivatives useful as antibacterial agents in high yields by the reaction of available penicillin sulfoxide esters in the presence of a combined catalyst consisting of polyvinyl pyrrolidone and organic phosphoric acids in an inert solvent under heating.
COPYRIGHT: (C)1977,JPO&Japio
JP244276A1976-01-131976-01-13Preparation of cephalosporanic acid derivatives
PendingJPS5287185A
(en)