Azetidine derivatives

Details Azetidine derivatives Azetidine derivatives

C - Chemistry, Metallurgy

07

D

260/335.5

C07D 205/08 (2006.01) C07D 205/085 (2006.01) C07D 505/00 (2006.01) C07F 9/568 (2006.01)

Patent

CA 1129870

AZETIDINE DERIVATIVES ABSTRACT Azetidine derivatives of the formula: Image [wherein A is amino or substituted amino; COB is carboxy or pro- tected carboxy; R1 is =C(CH3)2, Image , or Image (R4 is alkyl, aryl or aralkyl); OR2 and OR3 independently or taken together with each other represent a ketal; Y is hydrogen or methoxy; Z is hydrogen or halogen] and a process for preparation thereof. Used as intermediates in the preparation of potent antimicrobials l-oxadethiacephalosporins.

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