Cephalosporin analogs and methods for production thereof

Details Cephalosporin analogs and methods for production thereof Cephalosporin analogs and methods for production thereof

C - Chemistry, Metallurgy

07

D

260/271

C07D 471/04 (2006.01) C07D 463/00 (2006.01) C07F 7/18 (2006.01)

Patent

CA 1136138

ABSTRACT OF THE DISCLOSURE The present invention relates to a cephalo- sporin analog of the formula: Image wherein X represents an amino group, an azido group or a protected amino group, Hal represents a halogen atom and R represents a carboxyl group or a protected carboxyl group, and the salts thereof. These compounds are useful intermediates in the preparation of highly active cephalosporin derivatives.

342597

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