1131863-71-2Relevant academic research and scientific papers
Synthesis, molecular structures, and properties of heterometallic cobalt tetramethylcyclobutadiene complexes (C4Me4)Co(CO) 2TePh, (C4Me4)Co(CO)2TePh[W(CO) 5], and Me4C4Co(μ3-S) 2Cr2Cp2(μ-SC4H9)
Pasynskii,Skabitskii,Shapovalov,Galustyan,Torubaev,Dobrokhotova,Grinberg,Mutseneck,Kudinov
, p. 1731 - 1735 (2008/09/18)
The reaction of Cb*Co(CO)2I (1) (Cb*is tetramethylcyclobutadiene) with sodium phenyltelluride afforded the mononuclesar complex Cb*Co(CO)2TePh (2). The reaction of the latter with W(CO)5(THF) produced the Cb*Co(CO)2TePh[W(CO) 5] compound (4). The reaction of 1 with the Cp2Cr 2(SCMe3)2S complex gave the heterometallic cluster Cb*Co(μ3-S)2Cr2Cp2 (μ-SCMe3) (5). Complexes 2, 4, and 5 are diamagnetic. Their structures were determined by X-ray diffraction. Complex 2 contains the Co-Te bond (2.585(1) A); complex 4, the Co-Te (2.558(8) A) and W-Te (2.8467(6) A) bonds. Complex 5 has the stable triangular sulfide-and tert-butylmercaptide-bridged core Cr2Co (Cr-Cr and Cr-Co bond lengths are 2.626(2) and 2.673(2) A, respectively) with Cp ligands at the chromium atoms and a Cb*ligand at the cobalt atom. Complex 5 was characterized by cyclic voltammetry. The thermolysis of complex 4 was studied.
