Intramolecular palladium catalysed [3+2] cycloadditions of methylenecyclopropanes with acetylenic acceptors
作者:Hervé Corlay、Richard T. Lewis、William B. Motherwell、Michael Shipman
DOI:10.1016/0040-4020(95)00052-a
日期:1995.3
The synthesis and intramolecularpalladiumcatalysedcycloaddition reactions of eight methylenecyclopropanes containing alkyne acceptors are described. Bicyclo[3.3.0]octane and bicyclo[4.3.0]nonane rings systems can be successfully accessed using this chemistry. The nature of the substituents attached to the alkyne acceptor play a key role in the efficiency of the cycloaddition.