Synthetic spiroketal pyranes as potent anti-cancer agents
申请人:Parker Hughes Institute
公开号:US06335364B1
公开(公告)日:2002-01-01
Novel tubulin binding compounds (SPIKETS) having potent tubulin depolymerization activity and inhibitory activity against tubulin polymerization. The compounds are effective agents for inhibiting cellular proliferation, for example, in cancer cells. The compounds are adapted to interact favorably with a novel SP binding pocket on tubulin, which pocket is useful for screening of anti-tubulin, anti-proliferation, and anti-cancer drugs.
Studies in marine macrolide synthesis: Stereocontrolled synthesis of the AB-spiroacetal subunit of spongistatin 1 (altohyrtin A)
作者:Ian Paterson、Renata M. Oballa、Roger D. Norcross
DOI:10.1016/0040-4039(96)01961-2
日期:1996.11
The C1C13 subunit 2, containing the AB-spiroacetal ring system of spongistatin1 (1), was prepared in 11 steps with 90% ds from 3-benzyloxypropanal. Key steps include (i) the aldol reaction between 4 and 11 using (−)-Ipc2BCl and (ii) the spiroacetalisation, 3 → 14.
含有海绵状抑素1(1)的AB-螺缩醛环系统的C 1 = C 13亚基2可以11步制备,其中3-苄氧基丙醛的ds为90%。关键步骤包括(i)使用(-)-Ipc 2 BCl在4和11之间进行羟醛反应,以及(ii)螺缩醛化3 → 14。