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Fluorenes and styrenes by Au(I)-catalyzed annulation of enynes and alkynes.

ABSTRACT: Intermolecular annulation of enynes and propargyl esters to selectively produce styrenes or fluorenes is reported. The divergent arene syntheses involve a Au-catalyzed, two-pot, multistep process proceeding by cis-diastereoselective cyclopropanation, cycloisomerization, and, finally, annulation or elimination.

SUBMITTER: Gorin DJ 

PROVIDER: S-EPMC2995287 | biostudies-literature | 2008 Mar

REPOSITORIES: biostudies-literature

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Fluorenes and styrenes by Au(I)-catalyzed annulation of enynes and alkynes.

Gorin David J DJ   Watson Iain D G ID   Toste F Dean FD  

Journal of the American Chemical Society 20080306 12

Intermolecular annulation of enynes and propargyl esters to selectively produce styrenes or fluorenes is reported. The divergent arene syntheses involve a Au-catalyzed, two-pot, multistep process proceeding by cis-diastereoselective cyclopropanation, cycloisomerization, and, finally, annulation or elimination. ...[more]

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