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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Toyama Chemical Co Ltd
Original Assignee
Toyama Chemical Co Ltd
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Filing date
Publication date
Application filed by Toyama Chemical Co LtdfiledCriticalToyama Chemical Co Ltd
Priority to JP11257375ApriorityCriticalpatent/JPS5236686A/en
Publication of JPS5236686ApublicationCriticalpatent/JPS5236686A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PURPOSE: Prnicillins and cephalosporins ] [where R is amino acid residue; R1 is H, caroboxyl protector forming group or salt forming cation; z isII or III (R2 is cyano, azido, quaternary ammonium or the organic residue bonded with O, N or S) ; R3 is H or alkyl; A is alkyl, alkenyl, alakadienyl, etc;R4 is H, halogen, cyano, carbamoyl, etc; m is 1,2; n is 1-4], e.g. 6-]D(-)-α-(4-methyl-2, 3-dioxo-1-piperadinoacetamido) phenylacetamide] penicillanic acid.
COPYRIGHT: (C)1977,JPO&Japio
JP11257375A1975-09-191975-09-19Process for preparation of novel penicillins and cephalospolins
PendingJPS5236686A
(en)