Reactions of Alkylidene-Bridged Cobaltadithiolene Complexes with Lewis Bases. Formation of M−S Sulfur Ylide Structure

The reactions of a malonate (C(COOMe)2)-bridged complex with Lewis bases give novel sulfur ylide (M−S sulfur ylide) complex due to the cleavage of Co−C bond as determined by X-ray sturucture analysis. Acetate (CHCOOEt)- and methylene-bridged complexes, on the other hand, reacted with Lewis bases via...

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Bibliographic Details
Published in:Organometallics 1999-07, Vol.18 (15), p.2843-2850
Main Authors: Takayama, Chikako, Takeuchi, Keiko, Ohkoshi, Shin-ichi, Janairo, Gerardo C, Sugiyama, Toru, Kajitani, Masatsugu, Sugimori, Akira
Format: Article
Language:English
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Summary:The reactions of a malonate (C(COOMe)2)-bridged complex with Lewis bases give novel sulfur ylide (M−S sulfur ylide) complex due to the cleavage of Co−C bond as determined by X-ray sturucture analysis. Acetate (CHCOOEt)- and methylene-bridged complexes, on the other hand, reacted with Lewis bases via an SN2 type reaction to give unstable M−S sulfur ylide complexes and stable six-membered-ring complexes.
ISSN:0276-7333
1520-6041
DOI:10.1021/om990139m