| abstract |
A PROCEDURE FOR THE PREPARATION OF NEW 4H-1,2,4-TRIAZOL DERIVATIVES. A COMPOUND (II) IS SUBMITTED TO THE ACTION OF HYDRAZINE, OBTAINING AN INTERMEDIATE COMPOUND, WHICH IS REACTED WITH THE COMPOUND (III), OBTAINING THE COMPOUND (IB) THAT IS SUBMITTED IF THE ACTION OF AN ACID IS DESIRED FOR FORM THE CORRESPONDING SALT OR IS SUBJECT TO HYDROLYSIS. THE COMPOUND (I) IS OBTAINED IN WHICH R, R, R AND R MAY BE THE SAME OR DIFFERENT AND REPRESENT A HYDROGEN ATOM, A RADICAL HYDROXYL, A RADICAL ALCOHYL OR OTHERS. |