发明名称 |
Process for Production of Camptothecin Derivative |
摘要 |
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). |
申请公布号 |
US2012142926(A1) |
申请公布日期 |
2012.06.07 |
申请号 |
US20070226506 |
申请日期 |
2007.04.27 |
申请人 |
SAWADA SEIGO;YAEGASHI TAKASHI;KABUSHIKI KAISHA YAKULT HONSHA |
发明人 |
SAWADA SEIGO;YAEGASHI TAKASHI |
分类号 |
C07D491/22 |
主分类号 |
C07D491/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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