| abstract |
Procedure for obtaining acetic acid derivatives (I) where R 1 and R 2 are H or groups --CH 2 --COOH by oxidation of (II) where R and R' are H or groups of --CH 2 --CH 2 OH with O 2 or a gas that contains it, in the presence of an metal hydroxide, demineralized water and Cu-Raney. The reaction is carried out keeping constant a partial pressure of oxygen below 20 Kg/cm 2 , inside the reactor. The acids (I) obtained as soluble salts, can be isolated and purified by chemical or electrochemical means. n Examples of acids (I) are glycine, iminediacetic acid and nitricetriacetic acid, useful as nutrients and in the synthesis of herbicides. ##STR1## |