申请人:Ciba-Geigy Corporation
公开号:US04758575A1
公开(公告)日:1988-07-19
Novel substituted tetrahydro-, hexahydro- and octahydro-[3,4'-bi-2H-pyrrole]-2,2'-diones of the formula ##STR1## in which each of R.sub.1 and R.sub.2 represents a carboxy-lower alkyl radical, or an unsubstituted carbamoyl-lower alkyl radical or a carbamoyl-lower alkyl radical which is N-mono- or N,N-di-substituted by lower alkyl, hydroxylower alkyl, lower alkoxy-lower alkyl, amino-lower alkyl, N-mono- or N,N-di-lower alkylamino-lower alkyl, or by N,N-alkyleneamino-lower alkyl optionally substituted (in the alkyleneamino radical) by lower alkoxycarbonyl and by oxo or hydroxy, or N,N-alkenyleneamino-lower alkyl optionally substituted (in the alkenyleneamino radical) by lower alkoxycarbonyl and optionally additionally by hydroxy, or N,N-(aza-, N'-lower alkylaza- or N'-lower alkanoylaza-, oxa- or thia)alkyleneamino-lower alkyl, each of which has from 4 to 8 ring members, carbamoyl-lower alkyl, N-mono- or N,N-di-lower alkylcarbamoyl-lower alkyl, 3- to 8-membered cycloalkyl, dicycloalkyl or tricycloalkyl, or by phenyl-lower alkyl which is unsubstituted or substituted in the phenyl moiety by lower alkyl, lower alkoxy, halogen and/or trifluoromethyl, or represents a carbamoyl-lower alkyl radical which is disubstituted by alkylene optionally substituted by lower alkoxycarbonyl and by oxo or hydroxy, or by alkenylene optionally substituted by lower alkoxycarbonyl and optionally additionally by hydroxy, or by aza-, N40 -lower alkylaza-or N'-lower alkanoylaza-, oxa- or thia-alkylene, each of which has from 3 to 7 chain members, each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 represents hydrogen or lower alkyl, or R.sub.3 and R.sub.4 together and/or R.sub.5 and R.sub.6 together represent a 4- to 8-membered alkylene radical, and each of R.sub.7, R.sub.8, R.sub.9 and R.sub.10 represents hydrogen, or R.sub.7 together with R.sub.8 and/or R.sub.9 together with R.sub.10 represent in each case an additional bond, and their salts, have nootropic activity and can be used as active ingredients in medicaments. They are manufactured, for example, as follows: in a compound of the formula ##STR2## in which R'.sub.1 represents a group that can be converted into a radical R.sub.1 and R'.sub.2 represents a radical R.sub.2 or a group that can be converted into the radical R.sub.2, or in a salt thereof, R'.sub.1 is converted into a group R.sub.1 and, optionally, a radical R'.sub.2 that can be converted into R.sub.2 is converted into a group R.sub.2.
新型替代的四氢、六氢和八氢-[3,4'-双-2H-吡咯]-2,2'-二酮化合物的化学式如下:其中R.sub.1和R.sub.2分别表示一个羧基-较低烷基基团,或一个未取代的羰基-较低烷基基团或一个羰基-较低烷基基团,该基团通过较低烷基、羟基较低烷基、较低烷氧基-较低烷基、氨基-较低烷基、N-单取代或N,N-双取代的较低烷基氨基-较低烷基,或者通过N,N-烷基氨基-较低烷基(在烷基氨基基团中可选地取代)通过较低烷氧羰基和氧代或羟基,或者通过N,N-烯烃基氨基-较低烷基(在烯烃基氨基基团中可选地取代)通过较低烷氧羰基和可选地另外通过羟基,或者通过N,N-(氮杂、N'-较低烷基氮杂或N'-较低烷酰氮杂、氧代或硫代)烷基氨基-较低烷基,其中每个基团有4至8个环成员,羰基-较低烷基,N-单取代或N,N-双取代的较低烷基羰基-较低烷基,3至8个环状烷基,二环烷基或三环烷基,或者通过未取代或通过较低烷基、较低烷氧基、卤素和/或三氟甲基取代的苯基-较低烷基,或者表示一个通过烷基可选地取代的双取代羰基-较低烷基基团,通过较低烷氧羰基和氧代或羟基取代,或者通过烯烃可选地取代的烯基-较低烷基基团,可选地另外通过较低烷氧羰基和可选地通过羟基,或者通过氮杂、N40-较低烷基氮杂或N'-较低烷酰氮杂、氧代或硫代)烷基,其中每个基团有3至7个链成员,R.sub.3、R.sub.4、R.sub.5和R.sub.6分别表示氢或较低烷基,或者R.sub.3和R.sub.4一起和/或R.sub.5和R.sub.6一起表示一个有4至8个环成员的烷基基团,R.sub.7、R.sub.8、R.sub.9和R.sub.10分别表示氢,或者R.sub.7和R.sub.8一起和/或R.sub.9和R.sub.10一起分别代表一个额外的键,它们的盐具有智力促进活性,并可用作药物的活性成分。例如,它们的制备方法如下:在化合物的化学式中:其中R'.sub.1表示可转化为基团R.sub.1的基团,R'.sub.2表示基团R.sub.2或可转化为基团R.sub.2的基团,或者在其盐中,将R'.sub.1转化为基团R.sub.1,可选地,可转化为R.sub.2的基团R'.sub.2转化为基团R.sub.2。