Phosphinsubstituierte Chelatliganden, II [1] Thiocarbamoylphosphinsulfid-und -oxid-Komplexe des Mangans und Rheniums / Phosphine Substituted Chelate Ligands, II [1] Thiocarbamoylphosphine Sulfide and Oxide Complexes of Manganese and Rhenium
Open Access
- 1 September 1981
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 36 (9) , 1117-1124
- https://doi.org/10.1515/znb-1981-0912
Abstract
Thiocarbamoylphosphine sulfides 1 a-c and oxides 2 a-c are ambidentate chelating ligands which may form monomeric or dimeric complexes with carbonylmetal halides. The reaction of 1 a-c with ClMn(CO)5 and ClRe(CO)5 yields the monomeric cw-tetracarbonyl complexes 3 a-c and 4 a-c with S,S'-coordination. The phosphine oxides 2 a-c first form tetracarbonyl complexes which dimerize spontaneously under loss of CO to give the anfi-fac-tricarbonyl complexes 6 a-c and 6 a with bridging three-coordinate sulfur. On refluxing in n-hexane solution, 8 a-c and 4b, c are converted into the corresponding dimers 7 a-c and 8 b, c. Dissolving of 7 b, c in CH2Cl2 leads to re-formation of 8 b, c, the free ligands 1 b, c and inorganic manganese compounds.Keywords
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