54. Effect of diazoalkane structure on the stereoselectivity of rhodium(II) (S)-N-(arylsulfonyl)prolinate catalyzed cyclopropanations

Authors: Huw M.L. Davies, Paul R. Bruzinski, Michael J. Fall

Tetrahedron Lett.,

199637, 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.

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