Reactivity of [Re(η2-H2)(CO)2P3]+ cations with alkynes: preparation of vinylidene and propadienylidene complexes

    Journal of Organometallic Chemistry, pp. 10-20, 2000.

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    Keywords:
    RheniumVinylideneHydridePropadienylideneAcetylide

    Abstract:

    Treatment of [Re(η 2 -H 2 )(CO) 2 P 3 ] + cations with phenylacetylene leads to the displacement of H 2 and the formation of vinylidene [Re{CC(H)Ph}(CO) 2 P 3 ] + ( 1 – 3 ) [P=P(OEt) 3 , PPh(OEt) 2 or PPh 2 OEt] derivatives. Infrared and NMR data support equilibrium in solution [Re(CO) 2 P 3 ] + +PhCCH⇄[Re{CC(H)Ph}(CO) 2 P 3 ] + invol...More

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