Allylic and vinylic carbonylation of cyclohexene catalysed by [RuII(EDTA-H)(CO)]

Taqui Khan, M. M. ; Halligudi, S. B. ; Abdi, S. H. R. ; Shukla, Sumita (1990) Allylic and vinylic carbonylation of cyclohexene catalysed by [RuII(EDTA-H)(CO)] Journal of Molecular Catalysis, 60 (3). pp. 275-281. ISSN 0304-5102

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The complex [RuII(EDTA-H)(CO)] (EDTA = ethylenediaminetetraacetic acid) catalyses the carbonylation of cyclohexene in alcohol:water (80:20) mixture to give cyclohexene-1-carboxaldehyde, cyclohexene-3-carboxaldehyde and cyclohexane-carboxaldehyde. The optimum conditions of the reaction are 120°C and 20 atm CO partial pressure. The effect of catalyst, CO pressure and cyclohexene concentration on the initial rates of carbonylation was investigated. The rate of carbonylation exhibits first-order dependence with respect to catalyst, CO pressure and substrate concentration. The effect of temperature on the rate of cyclohexene carbonylation was studied and the activation energy, Ea, evaluated at 16±1 Kcal mol1. Carbonylations of 1-methyl-, 3-methyl- and 4-methylcyclohexenes conducted at 160°C and 20 atm CO partial pressure gave the corresponding alcohols.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:58494
Deposited On:31 Aug 2011 12:19
Last Modified:31 Aug 2011 12:19

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