Chemical Communications p. 1009 - 1010 (1996)
Update date:2022-07-29
Topics:
Bruce, Michael I.
Hinterding, Peter
Low, Paul J.
Skelton, Brian W.
White, Allan H.
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.
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