PROCESS FOR PRODUCING CRYSTALLINE 7-BRACKET-D-2-HYDROXY-2-PHENYL-ACETAMIDO-BRACKET CLOSED-3-BRACKET-1-METHYL-1H--TETRAZOL-5-YL-THIO-METHYL-BRACKET CLOSED-3-CEPHEME-4-CARBOXYLIC ACID AND SODIUM SALT THEREOF, I.E. SODIUM-CEPHAMANDOLE

摘要

Sodium 7-(D-2-hydroxy-2-phenylacetamido)-3-(1-methyl-1H-tetrazole-5-ylthiomet hyl)-3-cephem-4-carboxylate is obtained as a pharmaceutically acceptable crystalline anhydrate via crystalline methanolate or crystalline monohydrate forms.