PROCEDURE FOR THE OBTAINING OF HYDROXYETHYLLAXOLYLOXIMATE DERIVATIVES CONSISTS IN REACTING HYDROXYETHYLAZOLYL-CETO OF FORMULA (II) WITH HYDROXYLAMINE DERIVATIVES OF FORMULA (H2N-OR), DUAUYES AND AYUAUES, DILUYA, AND AURUYA TO OBTAIN A COMPOUND OF FORMULA (I) AND ITS ADDITIONAL SALTS OF ACIDS. BEING: AR, ARILO; R H O RENT; R, H, ALKYL, ALKYLENE AND OTHERS; Y X, N O CH. ARE USED AS FUNGICIDES.