Cephalosporin compounds, processes for their preparation and...

Details Cephalosporin compounds, processes for their preparation and... Cephalosporin compounds, processes for their preparation and...

C - Chemistry, Metallurgy

07

D

260/100, 167/187

C07D 501/20 (2006.01) A61K 31/545 (2006.01) C07D 417/12 (2006.01) C07D 501/00 (2006.01) C07D 519/00 (2006.01)

Patent

CA 1283404

ABSTRACT OF THE DISCLOSURE A cephalosporin compound having the formula: Image (I) wherein R1 is a vinyl group, or -CH2-A wherein A is a hydrogen atom, an azido group, an acyloxy group, a carbamoyloxy group, a substituted or unsubstituted heterocyclic group (wherein the heterocyclic ring is a 5- or 6-membered heterocyclic ring having from 1 to 4 oxygen, nitrogen or sulfur atoms), or a substituted or unsubstituted heterocyclic thio group (wherein the heterocylic ring is a monocyclic or bicyclic heterocyclic ring having from 1 to 5 oxygen, nitrogen or sulfur atoms), or a pharmaceutically acceptable salt thereof.

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