| abstract |
COMPOUNDS (I) AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS IN WHICH R, R1, R2, AR1, AR2 AND AR3 REPRESENT VARIOUS ORGANIC RADICALS, ARE OBTAINED BY N-OXIDATION OF (II) WITH AN ORGANIC OR INORGANIC PEROXIDE, IN A SOLVENT INERT TO THE REACTION, OPTIONALLY FOLLOWED OF TRANSFORMATION OF THE PRODUCT IN A SALT OF THE SAME, OR OF THE SALT IN THE FREE BASE AND / OR OF PREPARATION OF THE STEREOCHEMICALLY ISOMEROUS FORMS. THESE COMPOUNDS ARE USEFUL FOR THEIR ANTIDIARRHEAL AND ANALGESICAL ACTIVITY. 3 |