Shortcut Approach to Cyclopenta[b]indoles by [3+2] Cyclodimerization of Indole-Derived Cyclopropanesстатья
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Дата последнего поиска статьи во внешних источниках: 31 октября 2014 г.
Аннотация:A new straightforward approach to 3-indolyl-derived cyclopenta[
b]indoles by a Lewis acid triggered [3+2] cyclodimerization
of 2-(3-indolyl)cyclopropane-1,1-dicarboxylic acid diesters
was developed. This reaction exhibits exceptional chemo-, regio-,
and diastereoselectivities, leading to the formation of an individual
diastereomer with a relative configuration that corresponds to that
of naturally occurring indole terpenoids.