申请人:American Home Products Corporation
公开号:US04985560A1
公开(公告)日:1991-01-15
The compound of the formula: ##STR1## in which R.sup.1 is hydrogen, alkoxy, cyano, halo, nitro, amino, or mono- or dialkylamino; R.sup.2 is hydrogen, alkyl, phenyl, benzyl, 2-thienyl, 3-thienyl or 2-,3- or 4-pyridinyl; R.sup.3 is hydrogen, alkyl or phenyl; R.sup.4 is N-methyl-pyrrolidin-2yl, 2-, 3- or 4-pyridinyl, 3-quinuclidinyl or ##STR2## where n is 1 to 5; m is 0 to 3; and R.sup.8 is hydrogen or alkyl of 1 to 6 carbon atoms; or R.sup.4 is ##STR3## wherein: (a) n is 2, R.sup.5 taken with R.sup.3 is ethylene and R.sup.6 is --CHO, alkyl, unsubstituted or substituted phenyl, pyrimidinyl, pyridinyl, or pyrazinyl, where the substituents are alkyl, alkoxyl, halo, cyano, nitro or trifluoromethyl; (b) n is 1 to 5, and R.sup.5 and R.sup.6 taken together are polymethylene which may be alkyl substituted or R.sup.5 nd R.sup.6 are morpholino, 3-azabicyclo[3.2.2]nonan-3-yl, pyrrol-1-yl, pyrrolidin-2-on-1-ytl, pyrrolidin-2-thion-1-yl, imidazol-1-yl, alkyl-piperidin-1-yl or a piperazin-1-yl moiety in the 4-position of which is hydrogen, --CHO, alkyl or unsubstituted or substituted phenyl, pyrimidinyl, pyridinyl, or pyrazinyl, alkoxy, halo, cyano, nitro or trifluoromethyl; or (c) n is 1 to 5, and R.sup.5 and R.sup.6 are, independently, hydrogen, alkyl, phenyl, 3-quinuclidinyl, 2-adamantyl, bicyclo[3.2.1]octan-1-yl, bicyclo[3.3.1]nonan-9-yl or 2-,3- or 4- pyridinyl; or a pharmaceutically acceptable salt thereof are M.sub.1 receptor agonists useful in treatment of dementias involving the cholinergic system. dd
此化合物的公式为:##STR1## 其中R.sup.1是氢,烷氧基,氰基,卤素,硝基,氨基或单烷基或二烷基氨基; R.sup.2是氢,烷基,苯基,苄基,2-噻吩基,3-噻吩基或2-,3-或4-吡啶基; R.sup.3是氢,烷基或苯基; R.sup.4是N-甲基吡咯烷-2基,2-,3-或4-吡啶基,3-喹啉基或##STR2## 其中n为1至5;m为0至3;R.sup.8为1至6个碳原子的氢或烷基;或R.sup.4为##STR3## 其中:(a) n为2,R.sup.5与R.sup.3结合为乙烯基,R.sup.6为--CHO,烷基,未取代或取代的苯基,嘧啶基,吡啶基或吡嗪基,其中取代基为烷基,烷氧基,卤素,氰基,硝基或三氟甲基;(b) n为1至5,R.sup.5和R.sup.6结合为可为烷基取代的多亚甲基或R.sup.5和R.sup.6为吗啡环氧,3-氮杂双环[3.2.2]壬烷-3-基,吡咯-1-基,吡咯烷-2-酮-1-yl,吡咯烷-2-硫-1-yl,咪唑-1-yl,烷基哌啶-1-yl或4-位上为氢,-CHO,烷基或未取代或取代的苯基,嘧啶基,吡啶基或吡嗪基,烷氧基,卤素,氰基,硝基或三氟甲基的哌嗪-1-yl基;或(c) n为1至5,R.sup.5和R.sup.6分别为氢,烷基,苯基,3-喹啉基,2-戊基,双环[3.2.1]辛烷-1-基,双环[3.3.1]壬烷-9-基或2-,3-或4-吡啶基;或其药学上可接受的盐是M.sub.1受体激动剂,用于治疗涉及胆碱能系统的痴呆症。