PROCEDURE FOR THE OBTAINING OF BENZOTRIAZOLE DERIVATIVES.

摘要

HALOGENATOR 2 - (2 - HYDROPHENYL) - 2H - BENZTRIAZOLE WITH FORMULA (I) WHERE X IS HALOGENIDE, R1 HYDROGEN, C1 - C2 ALCOHYL, C5 - C6 -CICLOALCOHYL, FENYL OR PHENYL - C1 - C4 - AOH - ALCOHYL, C5 - C6 CYCLOALCOHYL, FENYL, FENYL - C1 - C4 - ALCOHYL OR A GROUP CNH2N-COOR3, WHERE IT IS VALUE FROM 0 TO 4 AND R3 MEANS HYDROGEN OR C1 - C12 ALCOHYL; THEY CAN BE PREPARED IN AN ESPECIALLY ADVANTAGING WAY BY CATALYTIC HYDRATION OF THE CORRESPONDING COMPOUND 0-NITROAZO IN THE PRESENCE OF A HYDROCATALIZER OF 0.1 TO 3% PT ON A VEHICLE AND AN ORGANIC AMINO.