AN UNUSUAL HETEROBIMETALLIC COMPOUND WITH A RHODIUM(I)-ETA-4-ARENE INTERACTION
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abstract
The synthesis, structure, and spectroscopic properties of the unusual heterobimetallic complex [(cod)RhCo(TMPP-O)2][BF4]2 (1) are described (cod = 1,5-cyclooctadiene; TMPP = tris(2,4,6-trimethoxyphenyl)phosphine; TMPP-O = [P(C6H2(OMe)3)2(C6H2(OMe)2O)]). The structure of 1 consists of a sixcoordinate Co(III) center in which the phenoxide oxygens are in a trans disposition, with a Rh(I) center being coordinated to the diene molecule in two cis positions and in an 4 bonding mode to one of the demethylated phenyl rings of the TMPP ligand. 1993, American Chemical Society. All rights reserved.