Studies on the Cobalt Clusters(Ⅳ)--The Syntheses and Characterization of Sulfuro-Trinuclear Cobalt Carbonyl Clusters Containing Bridging Heterocyclic Thioamide and Heterocyclic Carbene

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (12): 1572.

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Studies on the Cobalt Clusters(Ⅳ)--The Syntheses and Characterization of Sulfuro-Trinuclear Cobalt Carbonyl Clusters Containing Bridging Heterocyclic Thioamide and Heterocyclic Carbene

Liu Shu-tang, Jin Zhen-xing, Hu Xiang

Department of Chemistry, Inner Mongolia University, Huhehaote, 010021

Received:1990-12-14 Online:1991-12-24 Published:1991-12-24

Abstract

Abstract: The preparation of two kinds including six new Co₃-carbonyl clusters with chiral tetra-hedral Co₃S frameworks, containing bridging heterocyclic thioamide and heterocyclic carbene lig-ands is described. The reaction of Co₂(CO)₈with heterocyclic thioamides SCXCH₂CH₂NH(X= NH,S,O) yielded products Co₃(CO)₇(μ₃-S)(μ-SCXCH₂CH₂N)(Ⅰ)and Co₃(CO)₆(μ₃-S) (2CXCH₂CH₂NH) (μ--SCXCH₂CH₂N) (Ⅱ), in which μ-SCXCH₂CH₂N is a three-electron bridging ligand linked by Sand Nto two cobalts, and: CXCH₂CH₂NH is a heterocyclic carbene ligand. These six clusters have been characterized by IR, ¹HNMR spectra and MS.

Key words: Sulfuro-Trinuclear cobalt carbonyl cluster, Heterocyclic thioamide, Synthesis, Characterization

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Liu Shu-tang, Jin Zhen-xing, Hu Xiang . Studies on the Cobalt Clusters(Ⅳ)--The Syntheses and Characterization of Sulfuro-Trinuclear Cobalt Carbonyl Clusters Containing Bridging Heterocyclic Thioamide and Heterocyclic Carbene[J]. Chem. J. Chinese Universities, 1991, 12(12): 1572.

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Studies on the Cobalt Clusters(Ⅳ)--The Syntheses and Characterization of Sulfuro-Trinuclear Cobalt Carbonyl Clusters Containing Bridging Heterocyclic Thioamide and Heterocyclic Carbene

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