申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US04752610A1
公开(公告)日:1988-06-21
There are disclosed novel compounds of the formula ##STR1## where R is H, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, --CH(OH)r.sub.1, --C(OH)r.sub.1 r.sub.2 or --CH.sub.2 Or.sub.2, where r.sub.1 is H, loweralkyl, arylloweralkyl or aryl and r.sub.2 is loweralkyl; R.sub.1 is H, loweralkyl, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl or alkynoyl; and R.sub.2 is H, NO.sub.2, NH.sub.2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl, or R.sub.2 as a whole is a combination of 2, 3 or 4 halogen atoms; 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 methods of treating a patient in need of memory enhancement by administering such a compound to the patient.
揭示了一种新颖化合物,其化学式为##STR1##其中R为H、低烷基、卤素、氰基、低烷酰基、芳基低烷酰基、芳酰基、--CH(OH)r.sub.1、--C(OH)r.sub.1 r.sub.2或--CH.sub.2 Or.sub.2,其中r.sub.1为H、低烷基、芳基低烷基或芳基,r.sub.2为低烷基;R.sub.1为H、低烷基、芳基低烷基、苯基、硝基苯基、氰基苯基、三氟甲基苯基、氨基苯基、低烷酰胺基苯基、低烷氧羰基、芳基低烷氧羰基、芳氧羰基、低烷基氨基羰基、芳基低烷基氨基羰基、芳基氨基羰基、烷酰基、芳基低烷酰基、芳酰基、烯酰基或炔酰基;R.sub.2为H、NO.sub.2、NH.sub.2、卤素、低烷酰胺基、芳基低烷酰胺基、芳酰胺基或低烷基,或R.sub.2作为整体是2、3或4个卤素原子的组合;或其药学上可接受的酸盐,该化合物对增强记忆有用,合成方法,包含有效增强记忆量的该化合物的制药组合物,以及通过向患有记忆增强需求的患者施用该化合物来治疗患者的方法。