Issue 9, 2007

A facile and general approach to the Rh–M (M = Co, Rh) single bond supported by ortho-carborane-1,2-dichalcogenolato ligands

Abstract

A series of hetero- and homo-dinuclear complexes with direct metal–metal interaction are synthesized through reaction of Cp*Rh[E2C2(B10H10)] (E = S (1a), Se (1b)) and CpRh[S2C2(B10H10)] (2a) with low valent half-sandwich CpCo(CO)2 or CpRh(C2H4)2 under moderate conditions. The resulting products, namely (Cp*Rh)(CpCo)[E2C2(B10H10)] (E = S(3a); Se(3b)), (Cp*Rh)(CpRh)[E2C2(B10H10)] (E = S(4a); Se(4b)) and (CpRh)(CpRh)[S2C2(B10H10)] (5a), are fully characterized by IR and NMR spectroscopy and elemental analysis. The molecular structures of 3a, 3b, 4a, 4b and 5a are established by X-ray crystallography analyses, and the Rh–Co (2.4778(11) (3a) and 2.5092(16) (3b) Å) and Rh–Rh bonds (2.5721(8) (4a), 2.6112(10) (4b), 2.5627(10) (5a) Å) fall in the range of single bonds.

Graphical abstract: A facile and general approach to the Rh–M (M = Co, Rh) single bond supported by ortho-carborane-1,2-dichalcogenolato ligands

Supplementary files

Article information

Article type
Paper
Submitted
27 Nov 2006
Accepted
15 Jan 2007
First published
31 Jan 2007

Dalton Trans., 2007, 949-954

A facile and general approach to the Rh–M (M = Co, Rh) single bond supported by ortho-carborane-1,2-dichalcogenolato ligands

S. Liu and G. Jin, Dalton Trans., 2007, 949 DOI: 10.1039/B617295D

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