A PROCESS FOR PREPARING N-CARBOXY CEFADROXIL DISODIUM SALT

摘要

N-carboxy cefadroxil disodium salt(I) was prepared from cefadroxil(II) by a reaction with sodium carbonate in water under 0- 20C. The product was obtained by crystallization with a watersoluble solvent, such as acetone, and is used as an antibiotic. As an example, the preparation suspension of a cefadroxil dimethyl formamide solvent compd. can be used as a raw material.