Acetylide generation and coupling on electron-rich Ru₃ clusters

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DOIResolve DOI: http://doi.org/10.1039/B108626J
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TypeArticle
Journal titleJournal of the Chemical Society, Dalton Transactions
Issue7
Pages14551464; # of pages: 10
AbstractThermolysis of [Ru₃(CO)₁₀(Ph₂PC≡CBut)₂] (1a) gives the 48-e cluster [Ru₃(μ-η¹,η²-C≡CBut)₂(μ-PPh₂)₂(CO)₆] (4), which readily adds CO or PPh₃ to give the corresponding 50-e clusters [Ru₃(μ-η¹,η²-C≡CBut)₂(μ-PPh₂)₂(CO)₆(L)] (L = CO, 5a, PPh₃, 6) while thermolysis of [Ru₃(CO)₁₀(Ph2PC≡CPh)(Ph₂PC≡CR)] (R = Ph, 1b; But 1c) affords 50-e [Ru₃(μ-PPh₂)(μ-η¹,η²-C≡CPh)(μ-η¹,η2-C≡CR)(CO)₇] (5b, 5c) directly, which convert smoothly to the 48-e diyne clusters [Ru₃(μ-η²-PhC₂C≡CR)(μ-PPh₂)₂(CO)₇] (7b, 7c). In the case of [Ru3(CO)₁₀(Ph₂PC≡CPh)₂] the compound {Ru₂[η¹,η¹ : η²,η²-PhCC(PPh₂)CCPh](CO)5}(μ-PPh₂)[Ru(CO)₃] (8) is also obtained.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12328297
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Record identifier52d5d0ca-ac43-41e5-840f-b936f71ff8b2
Record created2009-09-10
Record modified2016-05-09
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