Method of preparing highly pure cefpodoxime proxetil
申请人:Hanmi Pharm. Co., Ltd.
公开号:US06639068B1
公开(公告)日:2003-10-28
Highly pure cefpodoxime proxetil can be prepared by a simple process comprising the step of reacting a cefpodoxime salt with 1-iodoethylisopropylcarbonate in an organic solvent in the presence of a crown ether.