申请人:Celltech Therapeutics Limited
公开号:US05622977A1
公开(公告)日:1997-04-22
Compounds of the general formula (1) ##STR1## are described wherein Y is halogen or --OR.sup.1, where R.sup.1 is a substituted or unsubstituted alkyl; X is --O--, --S-- or --N(R.sup.8)--, where R.sup.8 is hydrogen or alkyl; R.sup.2 is substituted or unsubstituted alkyl, alkenyl, cycloalkyl or cycloalkenyl; R.sup.3 is hydrogen, halogen or --OR.sup.9, where R.sup.9 is hydrogen or substituted or unsubstituted alkyl, alkenyl, alkoxyalkyl, or alkanoyl, or formyl, carboxamido or thiocarboxamido; R.sup.4 and R.sup.5, which may be the same or different, are each --(CH.sub.2).sub.n Ar, where Ar is a monocyclic or bicyclic aryl group or monocyclic or bicyclic heteroaryl and n is integer of 0 to 3; R.sup.6 is hydrogen or substituted or unsubstituted alkyl; R.sup.7 is hydrogen or substituted or unsubstituted alkyl; and the salts, solvates, hydrates and N-oxides thereof. Compounds according to the invention are potent, selective and orally active PDE IV inhibitors and are useful in the prophylaxis and treatment of asthma and other diseases.
描述了一般式(1)##STR1##的化合物,其中Y是卤素或--OR.sup.1,其中R.sup.1是取代或未取代的烷基;X是--O--,--S--或--N(R.sup.8)--,其中R.sup.8是氢或烷基;R.sup.2是取代或未取代的烷基,烯基,环烷基或环烯基;R.sup.3是氢,卤素或--OR.sup.9,其中R.sup.9是氢或取代或未取代的烷基,烯基,烷氧基烷基或烷酰基,或甲酰基,羧酰胺基或硫代羧酰胺基;R.sup.4和R.sup.5,可以相同也可以不同,分别是--(CH.sub.2).sub.n Ar,其中Ar是单环或双环芳基或单环或双环杂芳基,n是0到3的整数;R.sup.6是氢或取代或未取代的烷基;R.sup.7是氢或取代或未取代的烷基;以及它们的盐,溶剂合物,水合物和N-氧化物。根据本发明的化合物是有效的、选择性的和口服活性的PDE IV抑制剂,可用于哮喘和其他疾病的预防和治疗。