232. Gold(I)-Catalyzed Asymmetric Cyclopropenation of Internal Alkynes

Authors: John F. Briones and Huw M. L. Davies

J. Am. Chem. Soc.,

2012, 134 (29), 11916–11919

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Highly enantioselective cyclopropenation of internal alkynes with aryldiazoacetates was achieved using the binuclear gold catalyst (S)-xylylBINAP(AuCl)2, activated by silver hexafluoroantimonate.

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