DERIVATIVES OF BENZOPYRAN AND OF BENZOTHIOPYRAN, THEIR PREPARATION AND THEIR USE AS AGONISTS OF DOPAMINERGIC RECEPTORS

摘要

Compounds of formula (I), wherein R, R', R', Z, m, Y, n, R1, X, p and Ar have the meanings reported in the description; and pharmaceutically acceptable salts thereof are described. The compounds of formula (I) are useful in the treament of arterial hypertension and heart failure, of renal failure, of peripheral arteriopathies, of cerebrovascular insufficiencies and of ischemic cardiopathy.