Substantially anhydrous crystalline cefadroxil and method...

Details Substantially anhydrous crystalline cefadroxil and method... Substantially anhydrous crystalline cefadroxil and method...

C - Chemistry, Metallurgy

07

D

260/109, 167/187

C07D 501/22 (2006.01) A61K 31/545 (2006.01) C07D 501/00 (2006.01) C07D 501/02 (2006.01) C07D 501/12 (2006.01)

Patent

CA 1339213

The invention relates to a substantially anhydrous crystalline cefadroxil having a water content between about 0.8% and 3.9%. Such cefadroxil is obtained slurrying a cefadroxil solvate of dimethylacetamide, or of N-methyl-2-pyrrolidone or of monomethyl-formamide, with isopropyl alcohol containing either from about 2% to 4% of water of from about 0.1% to 4% of water and from 0% to about 60% of methanol, at a temperature in the range of about +45°C to +55°C and than filtering the desired cefadroxil so obtained.

555491

Affiliated with

Also associated with

Rating

Substantially anhydrous crystalline cefadroxil and method... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Substantially anhydrous crystalline cefadroxil and method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substantially anhydrous crystalline cefadroxil and method... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1179156