Isolable Tris(alkyne) and Bis(alkyne) Complexes of Gold(I)

被引：46
作者：
Das, Animesh [2 ]
Dash, Chandrakanta [2 ]
Yousufuddin, Muhammed [2 ]
Celik, Mehmet Ali [1 ]
Frenking, Gernot [1 ]
Dias, H. V. Rasika [2 ]
机构：
[1] Univ Marburg, Fachbereich Chem, D-35039 Marburg, Germany
[2] Univ Texas Arlington, Dept Chem & Biochem, Arlington, TX 76019 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 16期
基金：
美国国家科学基金会;
关键词：
alkynes; cycloaddition; density functional calculations; gold; X-ray diffraction; INTERMOLECULAR 2+2 CYCLOADDITION; ENERGY PARTITIONING ANALYSIS; PI-COMPLEXES; ALKYNE COMPLEXES; CATALYSIS; COORDINATION; DERIVATIVES; CHLORIDE; AU; CYCLOOCTYNE;
D O I：
10.1002/anie.201200080
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Golden trefoils: Tris(alkyne)gold complex [(coct) 3Au][SbF 6] (see picture; 1-SbF 6) can be synthesized from cyclooctyne (coct) and AuSbF 6 generated in situ. Treatment of AuCl with cyclooctyne led to the bis(alkyne)gold complex [Au(coct) 2Cl] (2). DFT analysis indicates that the cyclooctyne ligands are net electron donors in 1 but overall electron acceptors in 2. AuSbF 6 is shown to mediate [2+2+2] cycloaddition reactions of alkynes. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3940 / 3943
页数：4
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