Novel unnatural dipeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further the compounds are antianxiety agents, antiulcer agents, antidepressant agents, and are agents useful for preventing the withdrawal response produced by chronic treatment or use followed by chronic treatment followed by withdrawal from nicotine, diazepam, alcohol, cocaine, caffeine, or opiods. Also disclosed are pharmaceutical compositions and methods of treatment using the dipeptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare pharmaceutical and diagnostic compositions.
本发明揭示了一种新型非天然二肽类α-取代Trp-Phe衍
生物,可用作治疗肥胖症、肠道中胃酸过多、胃泌素依赖性肿瘤或
抗精神病药物。此外,这些化合物还具有抗焦虑、抗溃疡、抗抑郁的作用,并可用于预防
尼古丁、
地西泮、
酒精、
可卡因、
咖啡因或阿片类药物的慢性治疗或使用后的戒断反应。本发明还揭示了使用这些二肽类化合物制备药物和诊断组合物的方法。同时,还揭示了制备这些化合物的过程和制备中间体的新方法。