[EN] A SEMI-SYNTHETIC PROCESS FOR THE PREPARATION OF N DEBENZOYLPACLITAXEL<br/>[FR] PROCEDE SEMI-SYNTHETIQUE DE PREPARATION DE N- DEBENZOYLPACLITAXEL
申请人:INDENA SPA
公开号:WO2003087077A1
公开(公告)日:2003-10-23
A process for the preparation of N-debenzoylpaclitaxel (I) through esterification of 7-protected baccatin III with a carboxylic acid reactive derivative of general formula (II), and elimination of the ester-protecting groups in acid conditions and in a single step. In formula (II) R1 is aryl or heteroaryl. The compound of formula (I) can be conveniently used for the preparation of paclitaxel and analogues.