Novel ergoline derivatives and acid addition salts thereof are disclosed. These ergoline derivatives possess excellent anti-hypertensive activity, vasodilating activity, anti-ulcer activity, gastric secretion inhibitory activity, brain metabolism improving activity, anti-depressive activity and dopamine-like activity, and, therefore, are useful for prevention and treatment of various diseases such as hypertension, a wide variety of vein disorders, peptic ulcer, brain absormality, depression, Parkinson's disease, high prolactin blood disease, etc.
本发明公开了新型的
麦角酸衍
生物及其酸加成盐。这些
麦角酸衍
生物具有优良的抗高血压活性、扩张血管活性、抗溃疡活性、抑制胃分泌活性、改善脑代谢活性、抗抑郁活性和类
多巴胺活性,因此可用于预防和治疗各种疾病,如高血压、各种静脉疾病、消化性溃疡、脑部异常、抑郁症、帕
金森病、高
催乳素血症等。