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Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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Application filed by Asahi Chemical Industry Co LtdfiledCriticalAsahi Chemical Industry Co Ltd
Priority to JP15405575ApriorityCriticalpatent/JPS5278892A/en
Publication of JPS5278892ApublicationCriticalpatent/JPS5278892A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PURPOSE: Title compounds having optically active center in the sulfoxide group of formula I [A is radical of formula II or III (R IS H, lower alkyl, tri-lower alkyl silyl, -CH2COCOR1, salt forming ion;R1 is lower alkyl, aryl, aralkyl; X is H, OH, lower alkanoyloxy, aroyloxy, aralkanoyloxy, etc. ;for example, 7-(phenylsulfinylacetamido)-cephalosporanic acid derived from dextro-rotatory phenylsulfinylacetic acid.
COPYRIGHT: (C)1977,JPO&Japio
JP15405575A1975-12-251975-12-25Preparation of penicillins and cephalosporins having phenylsulfinyl fr oopgroop
PendingJPS5278892A
(en)