C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/308, 260/387
C07D 263/48 (2006.01) C07D 261/14 (2006.01) C07D 277/20 (2006.01) C07D 277/48 (2006.01) C07D 285/08 (2006.01) C07D 333/24 (2006.01) C07D 503/00 (2006.01) C07F 9/6561 (2006.01)
Patent
CA 1238910
ABSTRACT A compound represented by the following formula: Image wherein R is aryl or an heterocyclic group; R1 is hydrogen or halogen; R2 is a single bond, alkylene or thiaalkylene; R3 is a hydrogen atom, salt forming atom or group, or ester forming group; and R6 is a hydrogen atom, salt forming atom or group, or ester forming group and a process for producing this compound. These compounds are useful as intermediates for the production of anti-bacterial carboxyalkenamidocephalosporins.
464215
Johnson Douglas S. Q.c.
Shionogi & Co. Ltd.
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