PtCl2-Catalyzed Rapid Access to Tetracyclic 2,3-Indoline-Fused Cyclopentenes: Reactivity Divergent from Cationic Au(I) Catalysis and Synthetic Potential
Journal of the American Chemical Society2007Vol. 129(37), pp. 11358–11359
Citations Over TimeTop 10% of 2007 papers
Abstract
A PtCl2-catalyzed 3,3-rearrangement/[3+2]-cycloaddition of propargylic 3-indoleacetates is developed. Besides the efficient formation of highly functionalized tetracyclic cyclopentenes, the reaction is dramatically divergent from that catalyzed by cationic AuI. Moreover, the synthetic potential of this method is demonstrated by a succinct synthesis of the tetracyclic core of vindolinine.
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