申请人:Astra Lakemedel Aktiebolag
公开号:US04789683A1
公开(公告)日:1988-12-06
Novel therapeutically active compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a halogen atom, a cyano group, a lower alkyl group or an acyl group, R.sup.3 is a lower alkyl group; an alkenyl group; or a benzyl group optionally substituted with fluorine, chlorine, bromine, trifluoromethyl, lower alkyl or lower alkoxy, A.sup.1 and A.sup.2 are the same or different and each represents a hydrogen atom, a lower alkyl group, an acyl group, an alkoxycarbonyl group or a dialkylcarbamyl group, provided that when A.sup.1 and A.sup.2 are the same lower alkyl group and R.sup.3 is ethyl, R.sup.1 or R.sup.2 or both are selected among cyano, lower alkyl and acyl; or a physiologically acceptable salt or optical isomers thereof, methods for their preparation, pharmaceutical preparations containing the compounds and methods for their therapeutical use.
该公式的新疗效活性化合物,其中R.sup.1和R.sup.2相同或不同,分别表示氢原子、卤素原子、氰基、较低的烷基或酰基,R.sup.3是较低的烷基;烯烃基;或苄基,若有必要可被氟、氯、溴、三氟甲基、较低的烷基或较低的烷氧基取代,A.sup.1和A.sup.2相同或不同,分别表示氢原子、较低的烷基、酰基、烷氧羰基或二烷基氨基羰基,但当A.sup.1和A.sup.2为相同的较低烷基且R.sup.3为乙基时,R.sup.1或R.sup.2或两者均为氰基、较低的烷基和酰基中的一种或两种;或其生理学上可接受的盐或其光学异构体,其制备方法,含有该化合物的药物制剂以及其治疗用途的方法。