炔烃螯合钌亚烷基络合物的结构和反应性。
Structure and reactivity of alkyne-chelated ruthenium alkylidene complexes.
机构信息
Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, USA.
出版信息
J Am Chem Soc. 2009 Oct 28;131(42):15114-5. doi: 10.1021/ja907155r.
Abstract
The isolation and structural characterization of alkyne-bound Ru alkylidene complexes has been elusive. However, a sequential enyne ring-closing metathesis of a diyne moiety and metallotropic [1,3]-shift followed by a second enyne ring-closing metathesis allowed the formation of a highly stable alkyne-chelated ruthenium complex. The full characterization of this complex was realized by NMR spectroscopy and X-ray crystallography.
摘要
炔键配位的钌亚烷基配合物的分离和结构表征一直难以实现。然而，通过二炔部分的顺序烯炔环 closing-metathesis 和金属重排[1,3]-迁移，然后进行第二次烯炔环 closing-metathesis，使得形成了一种非常稳定的炔键配位的钌配合物。通过 NMR 光谱和 X 射线晶体学对该配合物进行了全面表征。
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