Synthesis of asymmetric heterotrimetallic gold clusters containing Mo, W, and Mn
| Autor: | Victor Riera, Eva López, Daniel Miguel, Mei Wang, Claudette Bois, Yves Jeannin, Julio Pérez |
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| Rok vydání: | 2003 |
| Předmět: | |
| Zdroj: | Dalton Transactions. :961-967 |
| ISSN: | 1477-9234 1477-9226 |
| DOI: | 10.1039/b209842c |
| Popis: | A series of new heterotrimetallic gold clusters, [(OC)3M(μ-S2CPR3)(μ-AuPPh3)Mo(CO)3] (M = Mn, R = Cy, 3a; R = Pri, 3b; M = Re, R = Cy, 3c; R = Pri, 3d) and [(L)(OC)2Mo(μ-S2CPCy3)(μ-AuPPh3)M′(CO)3] (M′ = Mo, L = η3-allyl, 6a; L = NO, 6b; M′ = W, L = η3-allyl, 6c; L = NO, 6d), have been synthesized in good yields by the reactions of ClAuPPh3 with the corresponding homo- or heterobinuclear anions, [(OC)3M(μ-S2CPR3)Mo(CO)3]− and [(L)(OC)2Mo(μ-S2CPCy3)M′(CO)3]−, formed respectively by the reduction of the complexes [(OC)3M(μ-Br)(μ-S2CPR3)Mo(CO)3] and [(L)(OC)2Mo(μ-Br)(μ-S2CPR3)M′(CO)3] with Na/Hg. The new complexes have been characterized spectroscopically and the molecular structures of 3a, 6a, and 6c have been determined by X-ray crystallography, revealing remarkable structural differences between the trimetallic cores. |
| Databáze: | OpenAIRE |
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