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  • Gold-catalyzed cyclizations of cis-enediynes: insights into the nature of gold-aryne interactions.

Gold-catalyzed cyclizations of cis-enediynes: insights into the nature of gold-aryne interactions.

Angewandte Chemie (International ed. in English) (2013-06-22)
Youliang Wang, Akop Yepremyan, Subir Ghorai, Robert Todd, Donald H Aue, Liming Zhang
摘要

Golden aryne? Gold aryne complexes are inferred as transition states in dual gold-catalyzed cyclizations of cis-enediynes (see scheme; DCE = 1,2-dichloroethane). They are better described as ortho-aurophenyl cations, which react with weak nucleophiles and undergo facile intramolecular insertions into C(sp(3))-H bonds. Indanes, fused heteroarenes, and phenol derivatives are readily prepared using this method.

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Sigma-Aldrich
[2-(二环己基膦)-3,6-二甲氧基-2′,4′,6′-三异丙基-1,1′-联苯] 金 (I) 双(三氟甲磺酰基)酰亚胺