CYCLOVOLTAMMETRIC STUDIES ON THE REACTION OF DIHYDRIDOTETRAKIS(TRIPHENYLPHOSPHANE)RUTHENIUM(II) WITH METHYL ACRYLATE - CH-ACTIVATION OF METHYL ACRYLATE IN THE PRESENCE OF RU(0)(MA)(2)(PPH3)(2)
C. Strehblow et al., CYCLOVOLTAMMETRIC STUDIES ON THE REACTION OF DIHYDRIDOTETRAKIS(TRIPHENYLPHOSPHANE)RUTHENIUM(II) WITH METHYL ACRYLATE - CH-ACTIVATION OF METHYL ACRYLATE IN THE PRESENCE OF RU(0)(MA)(2)(PPH3)(2), Journal of organometallic chemistry, 561(1-2), 1998, pp. 175-179
Electrochemical studies on RuH2(PPh3)(4) (1) and Ru(0)(MA)(2)(PPh3)(2)
(2), the complex that is generated when RuH2(PPh3)(4) is dissolved in
methyl acrylate (MA), are carried out by cyclic voltammetry (CV). The
combination of electrochemical with NMR spectroscopic measurements re
veals that MA undergoes oxidative addition to Ru(0)(MA)(2)(PPh3)(2) vi
a cleavage of a vinylic CH bond. The resulting hydridoruthenium(II) co
mplex is not stable in MA and forms presumably a complex in which a fu
rther MA is inserted into the ruthenium-hydrogen bond. (C) 1998 Elsevi
er Science S.A. All rights reserved.