Process for purification of a cephalosporin derivative
申请人:——
公开号:US20030208065A1
公开(公告)日:2003-11-06
A process for the purification of cefixime via a novel tert.octylamine salt of a cefixime intermediate which may be crystalline and which may be produced in a one pot reaction from 7-amino-3-vinyl-ceph-3-em-4-carboxylic acid.