申请人:Merck Sharp & Dohme Ltd.
公开号:US05633266A1
公开(公告)日:1997-05-27
The present invention relates to compounds of formula (I), and salts and prodrugs thereof, wherein n is 1 , 2 or 3 and where any carbon atom of (CH.sub.2).sub.n may be substituted by R.sup.4 and/or R.sup.5 ; X represents O or S; R.sup.1 represents optionally substituted (CH.sub.2).sub.q phenyl, wherein q is 0, 1, 2 or 3; R.sup.2 represents optionally substituted aryl, heteroaryl, benzhydryl or benzyl; R.sup.4 and R.sup.5 each independently represent H, halo, C.sub.1-6 alkyl, oxo, CO.sub.2 R.sup.a or CONR.sup.a R.sup.b ; R.sup.6 represents H or C.sub.1-6 alkyl; R.sup.7 represents C.sub.1-6 alkyl or optionally substituted phenyl; R.sup.8 represents H, COR.sup.a, CO.sub.2 R.sup.a, COCONR.sup.a R.sup.b, COCO.sub.2 R.sup.a, C.sub.1-6 alkyl optionally substituted by a variety of substituents, or C.sub.1-6 alkyl, optionally substituted by oxo, substituted by an optionally substituted aromatic heterocycle. The compounds are tachykinin antagonists useful for treating pain or inflammation, migraine or emesis.
本发明涉及公式(I)的化合物,以及其盐和前药,其中n为1、2或3,(CH.sub.2).sub.n的任何碳原子可以被R.sup.4和/或R.sup.5取代;X代表O或S;R.sup.1代表可选择取代的(CH.sub.2).sub.q苯基,其中q为0、1、2或3;R.sup.2代表可选择取代的芳基、杂环芳基、苯基甲基或苄基;R.sup.4和R.sup.5各自独立地代表H、卤素、C.sub.1-6烷基、氧代、CO.sub.2R.sup.a或CONR.sup.aR.sup.b;R.sup.6代表H或C.sub.1-6烷基;R.sup.7代表C.sub.1-6烷基或可选择取代的苯基;R.sup.8代表H、COR.sup.a、CO.sub.2R.sup.a、COCONR.sup.aR.sup.b、COCO.sub.2R.sup.a、可选择取代的多种取代基的C.sub.1-6烷基,或可选择取代的芳香杂环基取代的C.sub.1-6烷基。这些化合物是缓激肽拮抗剂,用于治疗疼痛或炎症、偏头痛或恶心。