Method of production of derivatives of triazolylbenzophenones and novel products thus obtained, particularly useful as products sedatives and hypnotics

摘要

The compounds of the formula Ia in which the substituents have the meaning stated in Claim 1 are obtained by hydrazinolysis of phthalyl derivatives of the formula IV. The resulting products can be used as anxiolytics, sedatives, hypnotics, spasmolytics, muscle relaxants, antidepressants and can furthermore be employed as starting materials for the preparation of pharmacologically active compounds. IMAGE