A. Castaño, A. Echavarren, J. López
Dec 19, 1989
Citations
0
Influential Citations
27
Citations
Journal
Journal of Organometallic Chemistry
Abstract
Abstract The reaction of Ru(CO)HCl(PPh 3 ) 3 with methyl propiolate gives two bis-insertion derivatives resulting from a head-to-head dimerization reaction. The eliminated triphenylphosphine ligand reacts with the alkyne to give an actylidephosphonium salt, which brings about substitution of the chloride ligand of Ru(CO)Cl(CHCHCOOMe)(PPh 3 ) 2 by acetylide. The resulting phosphonium salt, methoxycarbonylethenyltriphenylphosphonium chloride has been characterized as the methanol adduct 2-methoxy-2-methoxycarbonylethyltriphenylphosphonium chloride.