Capsule membrane phase transfer catalysis: selective alkaline hydrolysis and oxidation of benzyl chloride to benzyl alcohol and benzaldehyde

Yadav, G. D. ; Mehta, P. H. ; Haldavanekar, B. V. (1993) Capsule membrane phase transfer catalysis: selective alkaline hydrolysis and oxidation of benzyl chloride to benzyl alcohol and benzaldehyde Studies in Surface Science and Catalysis, 78 . pp. 503-512. ISSN 0167-2991

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0167-2991(08)63359-5

Abstract

Selectivity of multiphase reactions catalysed by phase transfer catalysts can be greatly improved by the use of the so called capsule membrane—PTC (CM-PTC) technique. We report here the theoretical and experimental analysis of the CM-PTC and Inverse CM-PTC for exclusively selective formation of benzyl alcohol and benzaldehyde from the alkaline hydrolysis and oxidation of benzyl chloride, respectively. The theoretical analysis shows that it is possible to simultaneously measure rate constant and equilibrium constant under certain conditions. The effects of speed of agitation, catalyst concentration, substrate concentration, nature of catalyst cation, membrane structure, nucleophile concentration, surface area for mass transfer and temperature on the rate of reaction are discussed.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:111959
Deposited On:18 Sep 2017 12:25
Last Modified:18 Sep 2017 12:25

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