Electrochemical reductive carbon-to-carbon coupling of σ-ethynyl complexes of transition metals

被引：0
|
作者：
L. I. Denisovich
T. V. Filatova
M. G. Peterleitner
N. A. Ustyanyuk
V. N. Vinogradova
L. I. Leont'eva
机构：
[1] Russian Academy of Sciences,A. N. Nesmeyanov Institute of Organoelement Compounds
来源：
Russian Chemical Bulletin | 1998年 / 47卷
关键词：
chromium; molybdenum; and tungsten σ-ethynyl complexes; reductive coupling; cyclic voltammetry; preparative-scale electrolysis; bis-carbyne complexes;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The electrochemical properties of σ-ethynyl complexes of chromium subgroup metals were studied by cyclic voltammetry and preparative-scale electrolysis. The redox cycle of C5H5(CO)3CrC=CPh was shown to give the bis-carbyne complex (η5-C5H5)(CO)2Cr≡C-C(Ph)=C(Ph)-C-Cr(CO)2(η5-C5H5) formedvia the reductive Cβ−Cβ coupling of ethynyl moieties. The influence of the nature of the metal atom and the ligand environment on the course of this reaction was considered.
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页码：1901 / 1904
页数：3
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