Synthesis of asymmetric heterotrimetallic gold clusters containing Mo, W, and Mn
Dalton Transactions Pub Date: 2003-02-10 DOI: 10.1039/B209842C
Abstract
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
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Journal Name：Dalton Transactions
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CAS no.: 89640-58-4
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