Further chemistry of ruthenium butatrienylidene complexes

M.I. Bruce, B.G. Ellis, Brian Skelton, Allan White

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24 Citations (Scopus)


Several complexes have been obtained from reactions carried out in early attempts to prepare the diynyl complexes Ru(C&3bond; CC&3bond; CR)(dppe)Cp* (R = H, SiMe3). These have been identified crystallographically as the acyl complex Ru{C&3bond; CC(O)Me}(dppe)Cp* (3), the cationic imido complex [Ru{C&3bond; CC(=NH2)Me}(dppe)Cp*]PF6 (4), the binuclear butenynylallenylidene [{Ru(dppe)Cp*}(2){mu-C&3bond; CC(OMe)=CHCMe=C=C=}]PF6 (5), and the bis(ethynyl)cyclobutenylidene [{Ru(dppe)Cp*}(2){mu-C&3bond; CC4H2(SiMe3)C&3bond; C}]PF6 (6). NMR studies of 5 have revealed the existence of two isomers. Plausible routes for their formation from the putative butatrienylidene intermediate [Ru(=C=C=C=CH2)(dppe)Cp*](+) (A) are discussed. (c) 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1772-1783
JournalJournal of Organometallic Chemistry
Issue number7
Publication statusPublished - 2005


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