Authors: Huw M.L. Davies, Paul R. Bruzinski, Michael J. Fall
Tetrahedron Lett.,
1996, 37, 4133-4136
Rhodium(II) (S)-N-(arylsulfonyl)prolinate catalyzed decomposition of diazoalkanes containing a methyl ester and either a vinyl or a phenyl group in the presence of alkenes results in highly diastereoselective and enantioselective cyclopropanations.