Process for preparing desacetoxycephalosporanic acid

Details Process for preparing desacetoxycephalosporanic acid Process for preparing desacetoxycephalosporanic acid

C - Chemistry, Metallurgy

07

D

260/108, 260/108

C07D 501/18 (2006.01) C07D 501/00 (2006.01) C07D 501/58 (2006.01) C07F 7/10 (2006.01)

Patent

CA 1176629

Abstract A process for preparing a desacetoxycephalo- sporanic acid of the formula Image 2 which comprises mixing at a temperature between 20°C. and 100°C. a cephalosporanic acid of the formula Image 1 witk a tri(C1-C6 alkyl)silane in the presence of an organic acid having a pKa of less than 1.5 and a Lewis acid; wherein R is amino or disubstituted amino.

405860

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