申请人:Merck Sharp & Dohme Limited
公开号:US05612337A1
公开(公告)日:1997-03-18
The present invention relates to compounds of formula (I), wherein R.sup.1 is hydrogen, halogen, C.sub.1-6 C alkyl, C.sub.1-6 alkoxy, CF.sub.3, NO.sub.2, CN, SR.sup.a, SOR.sup.a, SO.sub.2 R.sup.a, CO.sub.2 R.sup.a, CONR.sup.a R.sup.b, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or C.sub.1-4 alkyl substituted by C.sub.1-4 alkoxy, where R.sup.a and R.sup.b are hydrogen or C.sub.1-4 alkyl; R.sup.2 is hydrogen, halogen, C .sub.1-6 alkyl, C.sub.1-6 alkoxy substituted by C.sub.1-4 alkoxy or CF.sub.3 ; R.sup.3 is hydrogen, halogen or CF.sub.3 ; R.sup.4 is selected from the definitions of R.sup.1 ; R.sup.5 is selected from the definitions of R.sup.2 ; R.sup.6 is a 5-membered or 6-membered heterocyclic ring containing 2 or 3 nitrogen atoms optionally substituted by .dbd.O, .dbd.S or a C.sub.1-4 alkyl group, and optionally substituted by an aminoalkyl group; R.sup.9a and R.sup.9b are hydrogen or C.sub.1-4 alkyl, or R.sup.9a and R.sup.9b are joined to form a C.sub.5-7 ring; X is C.sub.1-4 alkylene optionally substituted by oxo; and Y is a C.sub.1-4 alkyl group optionally substituted by hydroxyl; with the proviso that if Y is C.sub.1-4 alkyl, R.sup.6 is substituted at least by an aminoalkyl group; and pharmaceutically acceptable salts and prodrugs thereof. The compounds are of particular use in the treatment of pain, inflammation, migraine and emesis.
本发明涉及式(I)的化合物,其中R.sup.1是氢、卤素、C.sub.1-6烷基、C.sub.1-6烷氧基、CF.sub.3、NO.sub.2、CN、SR.sup.a、SOR.sup.a、SO.sub.2R.sup.a、CO.sub.2R.sup.a、CONR.sup.aR.sup.b、C.sub.2-6烯基、C.sub.2-6炔基或C.sub.1-4烷基,其被C.sub.1-4烷氧基取代,其中R.sup.a和R.sup.b是氢或C.sub.1-4烷基;R.sup.2是氢、卤素、C.sub.1-6烷基、被C.sub.1-4烷氧基取代的C.sub.1-6烷氧基或CF.sub.3;R.sup.3是氢、卤素或CF.sub.3;R.sup.4是从R.sup.1的定义中选择的;R.sup.5是从R.sup.2的定义中选择的;R.sup.6是一个含有2或3个氮原子的5元或6元杂环,可以选择地被.dbd.O、.dbd.S或C.sub.1-4烷基取代,并可以选择地被氨基烷基取代;R.sup.9a和R.sup.9b是氢或C.sub.1-4烷基,或者R.sup.9a和R.sup.9b结合形成一个C.sub.5-7环;X是可选择地被氧代取代的C.sub.1-4烷基;而Y是可选择地被羟基取代的C.sub.1-4烷基,但前提是如果Y是C.sub.1-4烷基,则R.sup.6至少被一个氨基烷基取代;以及其药学上可接受的盐和前药。这些化合物在治疗疼痛、炎症、偏头痛和恶心方面特别有用。