Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Ono Pharmaceutical Co Ltd
Original Assignee
Ono Pharmaceutical Co Ltd
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Filing date
Publication date
Application filed by Ono Pharmaceutical Co LtdfiledCriticalOno Pharmaceutical Co Ltd
Priority to JP6064776ApriorityCriticalpatent/JPS52144688A/en
Publication of JPS52144688ApublicationCriticalpatent/JPS52144688A/en
PURPOSE: The title compounds are easily prepared by the condensation of 6-aminopenam or 7-aminocephem with reaction products of 2-halopyridinium salt with carboxylic acids.
COPYRIGHT: (C)1977,JPO&Japio
JP6064776A1976-05-271976-05-27Preparation of penicillin and cephalosporin derivatives
PendingJPS52144688A
(en)