A simple cobalt catalyst system for the efficient and regioselective cyclotrimerisation of alkynes

被引:122
作者
Hilt, G [1 ]
Vogler, T [1 ]
Hess, W [1 ]
Galbiati, F [1 ]
机构
[1] Univ Marburg, Fachbereich Chem, D-35032 Marburg, Germany
关键词
D O I
10.1039/b417832g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The intermolecular cyclotrimerisation of terminal and internal alkynes can be catalysed by simple cobalt complexes such as a CoBr2( diimine) under mild reaction conditions when treated with zinc and zinc iodide with high regioselectivity in excellent yields.
引用
收藏
页码:1474 / 1475
页数:2
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