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

260/290.3, 260/2

C07D 213/89 (2006.01) C07D 401/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 1333713

The present invention provides a compound having the formula Image (II) wherein R2 is a hydrogen atom or an amino-protecting group selected from a tri-alkylsilyl group, an acyl group, a chloroacetyl group, a p-methoxybenzyloxycarbonyl group, a t- butoxycarbonyl group, a 2,2,2-trichloroethoxycarbonyl group, a p- nitrobenzyloxycarbonyl group, an aralkyl group, a p-methoxybenzyl group, a p-nitrobenzyl group, a benzhydryl group and a trityl group, and each of R3 and R4 is a hydrogen atom or a hydroxyl- protecting group, trialkylsily group, a benzhydryl group, a .beta. - methylsulfonylethyl group, a phenacyl group, a p-methoxybenzyl group, a t-butyl group, a p-nitrobenzyl group, and a 2,2,2- trichloroethyl group or a reactive derivative thereof selected from a salt, halide, ester, anhydride, amide, azide which compounds are intermediates in the preparation of cephalosporin antibacterial compounds.

615847

Affiliated with

Also associated with

Rating

Cephalosporin compounds, processes for their preparation and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cephalosporin compounds, processes for their preparation and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cephalosporin compounds, processes for their preparation and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1338534