Wang Zun-yao
2004
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Journal
Jiangsu Chemical Industry
Abstract
In this article the synthesis of 4-carbonyl benzenesulfonic acid was studies, in which 4-methylbenzenesulfonic acid was used as raw material while Mn_2O_3, that was obtained by heating MnO_2 at 923 K, employed as oxidant and H_2SO_4 as reaction medium. Based on experimental results the optimal reaction conditions were determined including the H_2SO_4 concentration of 8.0 mol/L and the reaction temperature of 368 K accompanied with the addition excess oxidant 10%.