The present invention relates to 2,2-dimethylchromene derivatives of the formula: ##STR1## 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.
本发明涉及公式为:##STR1##的2,2-二甲基
香豆素衍
生物,其中Z代表卤素原子或
氰基、硝基、乙酰基、
膦酸酯或二烷氧基膦基团,烷氧基团含有1至3个碳原子,并且
磷酸酯基的药用盐。这些化合物表现出抗高血压和抗心律失常活性。本发明还涉及一种制备上述化合物的方法以及它们存在的药物组合物。