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钯催化烯炔亚甲基环丙烷的 [3C + 2C + 2C] 环加成反应:高效构建稠合的 5-7-5 三环体系。

Palladium-catalyzed [3C + 2C + 2C] cycloaddition of enynylidenecyclopropanes: efficient construction of fused 5-7-5 tricyclic systems.

机构信息

Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.

出版信息

Chem Commun (Camb). 2010 Jan 14;46(2):270-2. doi: 10.1039/b919258a. Epub 2009 Nov 27.

DOI:10.1039/b919258a
PMID:20024348
Abstract

We report a Pd-catalyzed intramolecular [3C + 2C + 2C] cycloaddition between alkylidenecyclopropanes, alkynes and alkenes. The method provides synthetically relevant 5-7-5 tricyclic structures, with good chemoselectivity and complete diastereoselectivity.

摘要

我们报道了钯催化的烷基环丙烯、炔烃和烯烃之间的分子内[3C + 2C + 2C]环加成反应。该方法提供了具有合成相关性的 5-7-5 三环结构,具有良好的化学选择性和完全的非对映选择性。

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