Journal of the American Chemical Society, Vol.134, No.29, 11916-11919, 2012
Gold(I)-Catalyzed Asymmetric Cyclopropenation of Internal Alkynes
Highly enantioselective cyclopropenation of internal alkynes with aryldiazoacetates was achieved using the binuclear gold catalyst (S)-xylylBINAP(AuCl)(2), activated by silver hexafluoroantimonate.