Taqui Khan, M. M. ; Chatterjee, Debabrata ; Bhatt, S. D. ; Prakash Rao, A. (1992) Kinetics and mechanism of the epoxidation of styrene and substituted styrenes with O2 catalysed by [RuIII(EDTA)(H2O)− Journal of Molecular Catalysis, 77 (1). pp. 23-28. ISSN 0304-5102
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0304-5102(92)80181-F
Abstract
Epoxidation of styrene, 2-methylstyrene, 3-chlorostyrene and 4-methoxystyrene with molecular oxygen catalysed by [RuIII(EDTA)(H2O)]− (1a) (EDTA = ethylenediaminete-traacetate) was studied as a function of catalyst (1a), substrate and dissolved oxygen concentration in 50% water-dioxane medium. The rate of epoxidation was found to be first order with respect to complex 1a and substrate concentrations and one-half order with respect to dissolved oxygen concentration. At high substrate concentrations a zero-order dependence of rate with respect to substrate concentration was observed in each case. Stoichiometric oxidation of styrene and substituted styrenes by [RuV = O(EDTA)]− (2) was studied, and results are compared with the catalytic epoxidation reactions with molecular oxygen.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 58514 |
| Deposited On: | 31 Aug 2011 12:23 |
| Last Modified: | 31 Aug 2011 12:23 |
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