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      861.  ------.  [GREESHAM, W. F., AND BROOKS, R. E.]  (E. I. du Pont de Nemours & Co.).  Aryl Esters.  United States Patent 2,467,206.  Apr. 12. 1949.  Chem. Abs., vol. 43, 1949. p. 6234.

            Various aryl esters are prepared by the reaction of a phenol, CO, and an olefinic compound in the presence of a Ni or Co catalyst under pressure. Thus, when PhOH, 47.1: C6H6. 100: (EtCO2)2Ni, 10: and C2H4, 28 gm. are heated 25 min. in a Cu-lined pressure vessel at 292º-300º under 260-700 atm. CO distillation of the Product gives 87.3% EtCO2Ph.