Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/4677
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Type: Journal article
Title: Preparation and reactions of some neutral pentamethylcyclopentadienylruthenium vinylidene complexes
Author: Bruce, M.
Hall, B.
Zaitseva, N.
Skelton, B.
White, A.
Citation: Journal of the Chemical Society. Dalton Transactions, 1998; (11):1793-1803
Issue Date: 1998
ISSN: 0300-9246
1364-5447
Statement of
Responsibility: 
Michael I. Bruce, Ben C. Hall, Natasha N. Zaitseva, Brian W. Skelton and Allan H. White
Abstract: A synthesis of neutral vinylideneruthenium complexes [RuCl(CCHR)(PPh3)(-C5Me5)] (R = Ph, But or SiMe3) from [RuCl(PPh3)2(-C5Me5)] and 1-alkynes has been developed. This takes advantage of the presence of two bulky ligands (PPh3 and C5Me5), which results in displacement of one PPh3 ligand (rather than chloride) and concomitant isomerisation of the 1-alkyne to vinylidene ligands. The vinylidene complexes undergo facile loss of HCl on treatment with NaOMe in the presence of a 2e donor ligand (L) to give the neutral acetylide complexes [Ru(CCR)L(PPh3)(-C5Me5)] [R = Ph, L = PPh3, CO, O2 or dppm-P; R = But, L = PPh3, CO, C2H4, dppe-P, C2(PPh2)2-P, S2, P(OMe)3 or AsPh3]; the complexes [Ru(CCBut)(L2)(-C5Me5)] [L2 = dppm or PPh2CH CHPPh2] and [Ru(S2CCCBut)(PPh3)(-C5Me5)] were also obtained. Crystal structure determinations were carried out on eleven of the complexes.
RMID: 0030002757
DOI: 10.1039/a800871j
Appears in Collections:Chemistry publications

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