Authors: Huw M. L. Davies and Gene H. Lee
Org. Lett.,
2004, 6 (8), 1233–1236
Dirhodium tetrakis((S)-N-(dodecylbenzenesulfonyl)prolinate) (Rh2(S-DOSP)4) is an effective chiral catalyst for the enantioselective cyclopropenation of alkynes by methyl aryldiazoacetates.