反应详情

A pressure vessel was charged with 4.70 g of phenol, 25.57 g of potassium meta cresolate being in a dry powder form and 56 g of NeoSK 1400. With stirring, reaction was carried out at a carbon dioxide pressure of 9 kg/cm2 (G) and at 320° C. for one hour. An analysis of the reaction mixture after conversion to acid form showed a para-hydroxybenzoic acid yield of 73.2% on the basis of phenol.

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