Total synthesis of (±)-stemonamide, (±)-isostemonamide, (±)-stemonamine, and (±)-isostemonamine using a radical cascade
摘要:
A total synthesis of (+/-)-stemonamide and (+/-)-isostemonamide has been achieved by using a radical cascade that involves two endo-selective cyclizations. (+/-)-Stemonamine and (+/-)-isostemonamine are synthesized by chemoselective reduction of (+/-)-stemonamide and (+/-)-isostemonamide, respectively. (C) 2008 Elsevier Ltd. All rights reserved.
Total synthesis of stemonamide and isostemonamide is described. The concise construction of the tricyclic core of these alkaloids was achieved by radical cascade involving 7-endo and 5-endo cyclizations.
STEMONAMIDE SYNTHESIS INTERMEDIATE AND PHARMACEUTICAL COMPOSITION FOR PREVENTION AND/OR TREATMENT OF CANCER
申请人:Mukaida Naofumi
公开号:US20110124630A1
公开(公告)日:2011-05-26
An objective of the invention is to provide a compound effective for prevention and/or treatment of cancer. The invention relates to a compound according to by formula I, or a salt, solvate or physiologically functional derivative thereof, and a composition for prevention and/or treatment of cancer comprising the same as an active ingredient:
wherein R
1
to R
6
, x, and y are as defined in the description.
Total synthesis of (±)-stemonamide, (±)-isostemonamide, (±)-stemonamine, and (±)-isostemonamine using a radical cascade
作者:Tsuyoshi Taniguchi、Hiroyuki Ishibashi
DOI:10.1016/j.tet.2008.06.091
日期:2008.9
A total synthesis of (+/-)-stemonamide and (+/-)-isostemonamide has been achieved by using a radical cascade that involves two endo-selective cyclizations. (+/-)-Stemonamine and (+/-)-isostemonamine are synthesized by chemoselective reduction of (+/-)-stemonamide and (+/-)-isostemonamide, respectively. (C) 2008 Elsevier Ltd. All rights reserved.