N-(pyrrol-1-yl)pyridinamines, a process for their preparation and their use as medicaments
申请人:HOECHST-ROUSSEL
PHARMACEUTICALS INCORPORATED
公开号:EP0226099A2
公开(公告)日:1987-06-24
There are disclosed novel compounds of the formula
where n is 0 or 1; R is hydrogen or loweralkyl; R, is hydrogen, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, -CH(OH)R4, -C(OH)R4R5 or -CH2OR5,
or
, R, being hydrogen, loweralkyl, arylloweralkyl or aryl, Rs being loweralkyl, aryl or arylloweralkyl, R6 being hydrogen or loweralkyl and R7 being hydrogen, loweralkyl or aryl; R2 is hydrogen, loweralkyl, loweralkenyl, loweralkynyl, -CH2CO2C2H5, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl, alkynoyl, -CH2C≡CCH2-NR'R", -CH2CH=CHCH2-NR'R", or -CH2CH2CH2CH2-NR'R", R' and R" being independently loweralkyl or NR'R" taken as a whole being
or
; and R3 is hydrogen, NO2, NH2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl; with the proviso that when n is 0, R2 is phenyl, R3 is hydrogen and the pyridine moiety is 2-pyridinyl, R and R, may not be 2-methyl and 5-methyl; or pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory, methods for synthesizing them, pharmaceutical compositions comprising an effective memory enhancing amount of such a compound and a method of treating a patient in need of memory enhancement which comprises administering such a compound to the patient.
公开了式中的新型化合物
其中 n 是 0 或 1;R 是氢或低级烷基;R,是氢、低级烷基、卤素、氰基、低级烷酰基、芳基低级烷酰基、芳基、-CH(OH)R4、-C(OH)R4R5 或 -CH2OR5、
或
R2 为氢、低级烷基、芳低级烷基或芳基,Rs 为低级烷基、芳基或芳低级烷基,R6 为氢或低级烷基,R7 为氢、低级烷基或芳基;R2 是氢、低级烷基、低级烯基、低级炔基、-CH2CO2C2H5、芳低级烷基、苯基、硝基苯基、氰苯基、三氟甲基苯基、氨基苯基、低级烷酰氨基苯基、低级烷氧基羰基、芳低级烷氧基羰基、芳氧基羰基、低级烷基氨基羰基、芳基低级烷基氨基羰基、芳基氨基羰基、烷酰基、芳基低级烷酰基、芳基、烯酰基、炔酰基、-CH2C≡CCH2-NR'R"、-CH2CH=CHCH2-NR'R "或-CH2CH2CH2-NR'R",R'和 R "独立为低级烷基或 NR'R "作为一个整体是
或
和 R3 为氢、NO2、NH2、卤素、低级烷酰基氨基、芳基低级烷酰基氨基、芳基氨基或低级烷基;但当 n 为 0、R2 为苯基、R3 为氢且吡啶基为 2-吡啶基时,R 和 R 不得为 2-甲基和 5-甲基;或其药学上可接受的酸加成盐,它们对增强记忆有用;合成它们的方法;包含有效记忆增强量的这种化合物的药物组合物;以及治疗需要增强记忆的病人的方法,这种方法包括给病人施用这种化合物。