Synthesis and Structural Characterisation of [Ir4(CO)8(CH3)(mu4-eta3-Ph2PCCPh)(mu-PPh2)] and of the Carbonylation Product [Ir4(CO)8{C(O)CH3}(mu4-eta3-Ph2PCCPh)(mu-PPh2)]; First Evidence for the Formation of a CO Cluster Adduct before CO Insertion

Autor: Regina Mara Silva Pereira, Fabrizia Grepioni, Fred Y. Fujiwara, Dario Braga, Maria D. Vargas

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 10, Issue: 1, Pages: 35-45, Published: JAN 1999
Journal of the Brazilian Chemical Society v.10 n.1 1999
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

Deprotonation of [(mu-H)Ir4(CO)10(mu-PPh2)], 1, gives [Ir4(CO)10(mu-PPh2)]- that reacts with Ph2PCCPh and CH3I to afford [Ir4(CO)8(CH3)(mu4-eta³-Ph2PCCPh)(mu-PPh2)], 2 (34%), besides [Ir4(CO)9(mu3-eta³-Ph2PC(H)CPh)(mu-PPh2)] and [(mu-H)Ir4(CO)9(Ph2

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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531999000100007&lng=en&tlng=en

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