Résumé/Abstract Oxidative alkoxylation of Zn 3 P 2 with the formation of valuable phosphoric and phosphorous acid esters occurred at a high rate and with a high selectivity in alcoholic solutions of CuCl 2 under the action of oxygen at 30-60 C. Depending on the nature of the alcohol, two products were formed, namely, trialkyl phosphates (RO) 3 PO and dialkyl phosphites (RO) 2 HPO. Water favored the formation of dialkyl phosphates (RO) 2 ( ...