σ-Cumulenic transition metal compounds. Remarkably stable cobaloxime complexes; (R)<sub>2</sub>CCCHCo(dmg)<sub>2</sub>py期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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σ-Cumulenic transition metal compounds. Remarkably stable cobaloxime complexes; (R)₂CCCHCo(dmg)₂py

Authors:	Peter J Stang Lars G Wistrand

Institution:	Department of Chemistry, The University of Utah, Salt Lake City, Utah 84112 U.S.A.

Abstract:	Interaction of NaCo(dmg)₂py with (R)₂CC(OSO₂CF₃)CCH in methanol provides a simple route to novel, stable cumulenyl complexes (R)₂CCCCHCo(dmg)₂py, where R = CH₃ or C₆H₅. In the case of R = H the stable ene-yne complex H₂CC(CCH)Co(dmg)₂py was isolated. The formation and properties of these complexes are discussed.

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