Disclosed is a process for production of 7-ethyl-10-[4-(1-piperidino)-1-piperidino]-carbonyloxycamptothecin from a camptothecin composition containing 18,19-dehydrocamptothecin without producing any vinyl form of the compound. The process is characterized by catalytically reducing at least one compound selected from a compound (1) and others in the process of producing a compound (5) from a composition containing the compound (1).
US8476438B2
申请人:——
公开号:US8476438B2
公开(公告)日:2013-07-02
[EN] ANTI-CANCER AGENT-BONDED ALGINIC ACID DERIVATIVE<br/>[FR] DÉRIVÉ D'ACIDE ALGINIQUE LIÉ À UN AGENT ANTICANCÉREUX<br/>[JA] 抗癌剤結合アルギン酸誘導体