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  • Title: Stereoselective Ir(III)-catalyzed dimerization reaction of enynes: an entry to functionalized polyunsaturated and cyclic systems.
    Author: Ez-Zoubir M, Le Boucher d'Herouville F, Brown JA, Ratovelomanana-Vidal V, Michelet V.
    Journal: Chem Commun (Camb); 2010 Sep 14; 46(34):6332-4. PubMed ID: 20676438.
    Abstract:
    The Ir(III) complex [Ir(2)H(2)I(3)((rac)-Binap)(2)](+)I(-) efficiently promotes the selective dimerization of 1,6-, 1,7-enynes and functionalized alkynes. This catalytic process results in the formation of head-to-head isomers with (E)-stereoselectivity. Subsequent Rh-catalyzed cycloisomerization under reductive conditions led to the corresponding 1,2-dialkylidenecyclopentane derivatives.
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