申请人:Merck, Sharp & Dohme, Ltd.
公开号:US05710161A1
公开(公告)日:1998-01-20
The present invention relates to compounds of the formula (I): ##STR1## wherein Ar.sup.1 represents optionally substituted phenyl; Ar.sup.2 represents aryl; benzhydryl; or benzyl; wherein each aryl and heteroaryl and each phenyl moiety of benzyl and benzhydryl may be substituted; R.sup.1 represents H or a group of the formula Z-R.sup.2 ; R.sup.2 represents H, CO.sub.2 R.sup.7, CONR.sup.7 R.sup.8, NR.sup.7 R.sup.8, NR.sup.7 COR.sup.9, NR.sup.7 SO.sub.2 R.sup.8, trifluoromethyl, heteroaryl or --O-heteroaryl, each of which heteroaryl groups are as previously defined and may be optionally substituted, or R.sup.2 represents a group selected from phenyl, piperazinyl, piperidinyl, spiro-fused piperidinyl, tetrahydroquinolinyl or tetrahydroisoquinolinyl, each of which may be substituted; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent H or C.sub.1-4 alkyl; R.sup.7 and R.sup.8 each independently represent H, C.sub.1-6 alkyl, trifluoromethyl, phenyl or benzyl; Q represents O or S; X represents a group selected from --CR.sup.3 R.sup.4 CR.sup.5 R.sup.6 -, --CR.sup.3 .dbd.CR.sup.4 --, --C(OH)R.sup.3 CR.sup.4 R.sup.5 -, --CR.sup.3 R.sup.4 C(OH)R.sup.5 -, --C(O)CR.sup.3 R.sup.4 - and --CR.sup.3 R.sup.4 C(O)--; Y represents a C.sub.1-4 alkylene chain; and Z represents a straight or branched C.sub.1-6 alkylene or C.sub.3-6 alkenylene chain with the proviso that the alkenylene double bond does not terminate at a carbon atom attached to a nitrogen atom; and pharmaceutically acceptable salts thereof. The compounds are of particular use in the treatment or prevention of pain, inflammation, emesis and postherpetic neuralgia.
本发明涉及以下式(I)的化合物:其中Ar.sup.1代表可选择取代的苯基;Ar.sup.2代表芳基;苯甲基;或苄基;其中每个芳基和杂芳基以及苄和苯甲基的苯基基团可能被取代;R.sup.1代表H或具有式Z-R.sup.2的基团;R.sup.2代表H,CO.sub.2R.sup.7,CONR.sup.7R.sup.8,NR.sup.7R.sup.8,NR.sup.7COR.sup.9,NR.sup.7SO.sub.2R.sup.8,三氟甲基,杂芳基或--O-杂芳基,其中每个杂芳基如前所定义,并且可能被选择性地取代,或者R.sup.2代表从苯基,哌嗪基,哌啶基,螺合哌啶基,四氢喹啉基或四氢异喹啉基中选择的基团,每个基团可能被取代;R.sup.3,R.sup.4,R.sup.5和R.sup.6各自独立地代表H或C.sub.1-4烷基;R.sup.7和R.sup.8各自独立地代表H,C.sub.1-6烷基,三氟甲基,苯基或苄基;Q代表O或S;X代表从--CR.sup.3R.sup.4CR.sup.5R.sup.6-,--CR.sup.3.dbd.CR.sup.4--,--C(OH)R.sup.3CR.sup.4R.sup.5-,--CR.sup.3R.sup.4C(OH)R.sup.5-,--C(O)CR.sup.3R.sup.4-和--CR.sup.3R.sup.4C(O)--中选择的基团;Y代表一个C.sub.1-4烷基链;Z代表直链或支链的C.sub.1-6烷基或C.sub.3-6烯基链,但烯基双键不得终止于连接到氮原子的碳原子;以及其药学上可接受的盐。这些化合物在治疗或预防疼痛、炎症、呕吐和带状疱疹后神经痛方面特别有用。