141. Dirhodium(II) Tetra(N-(dodecylbenzenesulfonyl)prolinate) Catalyzed Enantioselective Cyclopropenation of Alkynes

Authors: Huw M. L. Davies and Gene H. Lee

Org. Lett.,

2004, 6 (8), 1233–1236

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Dirhodium tetrakis((S)-N-(dodecylbenzenesulfonyl)prolinate) (Rh2(S-DOSP)4) is an effective chiral catalyst for the enantioselective cyclopropenation of alkynes by methyl aryldiazoacetates.

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