Journal of the Chemical Society, Dalton Transactions p. 1961 - 1964 (1980)
Update date:2022-08-11
Topics:
Pertici, Paolo
Vitulli, Giovanni
Paci, Maurizio
Porri, Lido
Hydrated ruthenium trichloride reacts with cyclohexa-1,3-diene and cyclo-octa-1,5-diene, in the presence of metallic zinc, to give the ruthenium(0) compounds 1-6-η-benzene(1-4-η-cyclohexa-1,3-diene)ruthenium, (1), and (1-2:5-6-η-cyclo-octa-1,5-diene)(1-6-η-cyclo-octa-1,3,5-triene)ruthenium, (2), respectively.The analogous reaction with cyclo-octa-1,3-diene, cyclohepta-1,3-diene, and cyclopentadiene leads to the isolation of the corresponding dienyl complexes bis(1-5-η-cyclo-octadienyl)ruthenium, (3), bis(1-5-η-cycloheptadienyl)-ruthenium, (4), and ruthenocene, (5).Complex (3) is best prepared by heating (2) in hydrocarbon solvents at ca. 100 deg C.
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