3-acyloxymethyl-cephem compounds

Details 3-acyloxymethyl-cephem compounds 3-acyloxymethyl-cephem compounds

C - Chemistry, Metallurgy

07

D

260/103, 260/108

C07D 501/16 (2006.01) A61K 9/02 (2006.01) A61K 31/43 (2006.01)

Patent

CA 1092095

Novel 3-acyloxymethyl-cephem compounds ABSTRACT OF THE DISCLOSURE Novel 3-acyloxymethyl-cephem compounds of the formula: Image wherein R1 is hydrogen or an acyl group; W is acetonyl, or a group represented by -X-OH (X is an organic residue) or salts thereof were found to be useful as starting materials of such cephalosporins of the formula: Image wherein R3 stands for a residue of a nucleophilic compound and R1 has the same meaning as above.

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