A PROCESS FOR PREPARING 7-AMINO-3-VINYL CEPHALOSPORANIC ACID (7-AVCA)

摘要

Disclosed herein is a process for preparing highly pure 7-amino-3-vinyl cephalosporanic acid (7-AVCA) with less than 0.1% of 7-amino desacetoxy cephalosporanic acid (7-ADCA) impurity via salt of 7-(2-phenyl acetamido) vinyl cephalosporanic acid (7-PVCA).