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Gold(I)-Catalyzed Cycloisomerization of Enynes Containing Cyclopropenes

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  • The project is supported by the Natural Science Foundation of China (Grant No. 20902005, 20832002, 20772003, 20821062) and the National Basic Research Program of China (973 Program, Grant No. 2009CB825300).

Abstract

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Goldenyne: Gold-catalyzed cycloisomerization reactions of propargyl cyclopropenes afford benzene derivatives in a highly efficient manner. The reaction either proceeds through a mechanism with or without double and triple bond cleavage, depending on the substituents (see scheme).

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