Scholarly article on 1-carbonyl-1-(η(5)-cyclopentadienyl)-3-(cyclopenta-2,4-dien-1-yl)-1-trimethylphosphine-2,2-diphenyl-3-(4-methylphenyl)-1-tungsta-2-phosphacyclopropane 182184-77-6 from Journal of Organometallic Chemistry p. 59 - 62

DOI: 10.1016/0022-328X(96)06262-6

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Journal of Organometallic Chemistry p. 59 - 62 (1996)

Update date:2022-08-04

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Authors:

Lehotkay

Ostermeier

Ogric Ogric

Kreissl Kreissl

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Article abstract of DOI:10.1016/0022-328X(96)06262-6

η²-Phosphinocarbene complexes of tungsten show a different behaviour towards anionic nucleophiles. The cationic η²-phosphinocarbene complex [Cp(CO)₂W=C(Tol)PPh₂][BPh₄] reacts with the thiophenolate anion PhS^- via carbonyl substitution, whereas the corresponding trimethylphosphine substituted carbene complex [Cp(CO)(PMe₃)W=C(Tol)PPh₂][BF₄] adds the cyclopentadienyl anion at the carbene carbon atom. A third reaction pathway is observed on treating [Cp(CO)₂W=C(Me)PPh₂][BPh₄] with lithium diethylamide, providing a neutral η²-phosphinovinyl complex.

Full text of DOI:10.1016/0022-328X(96)06262-6

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DOI: 10.1016/0022-328X(96)06262-6