Synthesis and Characterization of CptRh(PMe3)(Se2C2B10H in 16-and 18-Electron Half-sandwich Rhodium Complexes with 1,2-Dichalcogenolate Carborane

Abstract

Abstract: The reaction of [Cp^tRhCl₂]₂(1) (Cp^t=η⁵-^tBu₂C₅H₃) with 1,2-dilithium dichalcogenolate carborane Li₂E₂C₂B₁₀H₁₀(E=S, Se) afforded the 16-electron rhodium(Ⅲ) half-sandwich complexes Cp^tRh(E₂C₂B₁₀H₁₀)[E=S(3a), Se(3b)]. 18-Electron trimethyl phosphine rhodium(Ⅲ) half-sandwich complexes Cp^tRh(PMe₃)(E₂C₂B₁₀H₁₀)[E=S(4a), Se(4b), Te(4c)] can be synthesized both by addition of PMe₃ into 16-electron complexes 3a, 3b and by the reaction Cp^tRh(PMe₃)Cl₂(2) with Li₂E₂C₂B₁₀H₁₀(E=S, Se, Te). The molecular geometry of 4b was determined by X-ray diffraction structural analysis.

Key words: Carboranes, Rhodium half-sandwich complexes, Molecular structure, NMR

CLC Number:

O614.81

TrendMD:

KONG Qing-An, JIN Guo-Xin, LIN Yong-Hua . Synthesis and Characterization of Cp^tRh(PMe₃)(Se₂C₂B₁₀H in 16-and 18-Electron Half-sandwich Rhodium Complexes with 1,2-Dichalcogenolate Carborane[J]. Chem. J. Chinese Universities, 2002, 23(3): 410.

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Synthesis and Characterization of Cp^tRh(PMe₃)(Se₂C₂B₁₀H in 16-and 18-Electron Half-sandwich Rhodium Complexes with 1,2-Dichalcogenolate Carborane

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