申请人:Novo Nordisk A/S
公开号:US05371080A1
公开(公告)日:1994-12-06
Imidazoquinazoline compounds having the formula ##STR1## wherein Q is ##STR2## --COOR.sup.8 or --CN; wherein R.sup.1 is H, alkyl, unsubstituted or substituted cycloalkyl, alkoxy, alkoxyalkyl or CF.sub.3 ; R.sup.8 is alkyl; R.sup.2 and R.sup.3 independently are H, alkyl optionally substituted, hydroxyalkyl, alkoxy, alkoxyalkyl, alkoxycarbonylalkyl, formylalkyl, or an acetal thereof, or R.sup.2 and R.sup.3 together with the N-atom form a 4-6 membered monocyclic amino group in which ring system one or more of the carbon atoms may be exchanged with N, O or S, sulphinyl, sulphonyl or carbonyl or an acetal thereof, each of these ring systems optionally being substituted; R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently are H, OH, halogen, CF.sub.3, NO.sub.2, NH.sub.2, CN, alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl or alkoxycarbonyl. The compounds are useful in psychopharmaceutical preparations as anticonvulsants, anxiolytics, hypnotics, antipsychotics, antiemetics, in improving the cognitive function of the brain of mammals, or as benzodiazepine antagonists.
咪唑喹噁啉类化合物具有以下结构式##STR1##其中Q为##STR2##--COOR.sup.8或--CN;其中R.sup.1为H,烷基,未取代或取代的环烷基,烷氧基,烷氧基烷基或CF.sub.3;R.sup.8为烷基;R.sup.2和R.sup.3独立地为H,烷基(可选地取代),羟基烷基,烷氧基,烷氧基烷基,烷氧基羰基烷基,甲酰基烷基,或其缩醛,或R.sup.2和R.sup.3与N原子一起形成一个4-6成员的单环氨基团,其中环系统中的一个或多个碳原子可与N、O或S交换,亚砜基,磺酰基或羰基或其缩醛,每个环系统可选地被取代;R.sup.4、R.sup.5、R.sup.6和R.sup.7独立地为H,OH,卤素,CF.sub.3,NO.sub.2,NH.sub.2,CN,烷基,烯基,炔基,烷氧基,烷氧基烷基或烷氧基羰基。这些化合物在精神药物制剂中作为抗癫痫药、抗焦虑药、催眠药、抗精神病药、止吐药中有用,可改善哺乳动物大脑的认知功能,或作为苯二氮䓬类拮抗剂。