Jayaraman, K. and Devadoss, S. and Kulandai, A. and Thamizharasi, S. and Krishnamoorthy, S. and Srinivasan, R.K. and Chidambaran, S.
(1999)
Indirect electrochemical oxidation of o-chloro toluene to 0-chloro benzaldehyde using ceric methane sulphonate.
Bulletin of Electrochemistry , 15 (78).
pp. 300-302.
ISSN 0256-1654
Abstract
O-chloro benzaldehyde finds wide applications as chemical intermediates, pharmaceuticals, optical brighteners etc. It is nomlally produced by acid hydrolysis, but the process generates chlorinated by-products and has poor selectivity. Indirect electrochemical oxidation of o-chloro toluene using ceric mediators otTers a facile and clean route for the production of the aldehyde. In this paper results are reported for the oxidation of o-chloro toluene to o-chloro benzaldehyde using eerie methane sulphonate followed by electrochemical regeneration of eerie from cerous thereby making the process cyclic. 60-70% selectivities have been achieved for the chemical oxidation of o· chloro toluene to o-ehloro benzaldehyde while the electrochemical regeneration of eerie from cerous proceeds with 70-80% current efficiencies.
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