Intermediates for preparation of cephalosporin derivatives...

Details Intermediates for preparation of cephalosporin derivatives... Intermediates for preparation of cephalosporin derivatives...

C - Chemistry, Metallurgy

07

C

260/468.8, 260/5

C07C 311/32 (2006.01) C07C 311/47 (2006.01)

Patent

CA 1330094

ABSTRACT OF THE DISCLOSURE Novel compounds have the formula: Image in which the two groups B' are different, one of them representing a group OH and the other representing a group X-NH-Alk-SO2-NH-, in which X represents hydrogen or a protecting group for the amine group and Alk represents a C2 to C4 lower alkylene group. The compounds are useful as intermediates for the preparation of cephalosporin derivatives having improved pharmacokinetics.

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