Tetrahedron p. 4883 - 4902 (1996)
Update date:2022-07-29
Topics:
Corlay, Herve
Motherwell, William B.
Pennell, Andrew M. K.
Shipman, Michael
Slawin, Alexandra M. Z.
Williams, David J.
Binger, Paul
Stepp, Michael
The preparation and intramolecular palladium catalysed [3+2] cycloaddition reactions of a range of substrates containing either stereochemically defined 2,3-disubstituted methylenecyclopropanes 3 or acrylate acceptors 12-15 are described. Evidence is presented which supports the hypothesis that these cycloaddition reactions proceed via palladium-trimethylenemethane type intermediates and that the two carbon-carbon bonds are formed in a highly asynchronous manner.
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