Domino Cyclodimerization of Indole-Derived Donor-Acceptor Cyclopropanes: One-Step Construction of Pentaleno[1,6a-b]indole Skeletonстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The previously undiscovered ability of indole-derived donor–acceptor cyclopropanes to involve four reaction centers simultaneously was revealed by their domino cyclodimerization (see scheme). This SnCl4-induced reaction affords bisindole products with the pentaleno[1,6-a,b]indole framework. In the course of this process, two new rings, three C-C bonds, and four stereocenters are formed with exceptional chemo-, regio-, and stereoselectivity.