METHOD FOR PRODUCING NATRIUM SALT OF OXIMINE DERIVATIVE OF 7-AMINOTHIAZOLYLACETAMIDOCEPHALOSPORANIC ACID IN A REW HYDRATED CRISTALLINE FORM

摘要

Novel stable crystalline hydrate of D form of the syn isomer of sodium 3-acetoxymethyl-7-[2-(2-amino-4-thiazolyl)-2-methoxyimino-acetamido]-c eph-3-eme-4-carboxylate having the formula I which has excellent antibiotic activity against both gram negative and gram positive bacteria and a process for its preparation.