The present invention relates to novel 1,4-dihydropyridine derivatives of the following formulae.
The compounds have activity as calcium antagonists useful for the treatment of cardiovascular disorders. More particularly, the invention includes preferred compounds which in addition to the usefulness associated with calcium antagonism also exhibit positive inotropic effect without the usual accompanying negative inotropic effect. Thus, the preferred compounds additionally provide beneficial increased myocardial activity.
本发明涉及下式的新型 1,4-二
氢吡啶衍生物。
这些化合物具有治疗心血管疾病的
钙拮抗剂活性。更具体地说,本发明包括的优选化合物除了具有
钙拮抗剂的作用外,还具有正性肌力作用,而没有通常伴随的负性肌力作用。因此,优选的化合物还能增加心肌活动。