The present invention provides an improved process for the preparation of cefixime of formula (I), with an improved quality having/possessing better color and solubility.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF CEFIXIME<br/>[FR] PROCEDE AMELIORE SERVANT A PREPARER CEFIXIME
申请人:ORCHID CHEMICALS & PHARM LTD
公开号:WO2004037832A1
公开(公告)日:2004-05-06
The present invention provides an improved process for the preparation of cefixime of formula (I) from the corresponding alkyl ester, with an improved quality having/possessing better color and solubility. The ester hydrolysis is carried out in a biphasic system by using sodium bicarbonate and sodium hydroxide.