2,2-dimethylchromene derivatives, process for their preparation and pharmaceutical compositions in which they are present

摘要

The present invention relates to 2,2-dimethylchromene derivatives of the formula: <IMAGE> (I) in which Z represents a halogen atom or a cyano, nitro, acetyl, phosphono or dialkoxyphosohoryl group, the alkoxy group containing 1 to 3 carbon atoms, and the pharmaceutically acceptable salts of the phosphono group. These compounds show an antihypertensive and antiarrythmic activity. The present invention also relates to a process for the preparation of said compounds and to the pharmaceutical compositions in which the are present.