Alkenylvinylidene and allenylidene complexes: Evidence for the formation of a metal-trienylidene intermediate

DOI: 10.1039/CC9960001009

Source and publish data:

Chemical Communications p. 1009 - 1010 (1996)

Update date:2022-07-29

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Authors:

Bruce, Michael I.

Hinterding, Peter

Low, Paul J.

Skelton, Brian W.

White, Allan H.

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Article abstract of DOI:10.1039/CC9960001009

Reactions of [Ru(thf)(PPh₃)₂(η-C₅H₅)][PF ₆] with buta-1,4-diyne in the presence of nucleophiles give alkenylvinylidene or allenylidene complexes; the results are rationalised in terms of the formation of the intermediate trienylidene cation [Ru(C=C=C=CH₂)-(PPh₃)₂(η-C ₅H₅)]⁺ which undergoes nucleophilic addition at Cγ; the X-ray structure of the heteroallenylidene [Ru{C=C=CMe(NPh₂)}(PPh₃)₂(η-C ₅H₅)][PF₆] 2 is determined.

Full text of DOI:10.1039/CC9960001009

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Product name:RuCCC(CH₂)P(C₆H₅)3(C₅H₅)(P(C₆H₅)3)2⁽¹⁺⁾*PF₆^(1-) = [RuCCC(CH₂)P(C₆H₅)3(C₅H₅)(P(C₆H₅)3)2]PF₆

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