Intermediary compounds for the hemisynthesis of taxanes and preparation processes therefor
申请人:Societe d'Etude et de Recherche en Ingenierie Pharmaceutique Seripharm
公开号:US06265587B1
公开(公告)日:2001-07-24
The present invention relates to new intermediates for the semisynthesis of taxanes and their preparation processes. It relates to derivatives of oxazolidines or oxazolidinones, as well as to new derivatives of baccatine III. The general process for the synthesis of taxanes according to the invention enables to obtain a product such as PACLITAXEL in only five steps from products available in the market, compared to nine steps in general, for processes of the prior art.
本发明涉及用于紫杉醇半合成的新中间体及其制备过程。它涉及氧氮杂环或氧氮杂环酮的衍生物,以及新的紫杉醇III衍生物。根据本发明的合成紫杉醇的一般过程,仅需从市场上可获得的产物中经过五个步骤即可获得类似PACLITAXEL的产品,而对于现有技术的过程,通常需要九个步骤。