申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US05401749A1
公开(公告)日:1995-03-28
There are disclosed compounds having the formula ##STR1## wherein R is hydrogen, loweralkyl or loweralkylcarbonyl; R.sub.1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, oxygen-bridged arylloweralkyl or oxygen-bridged diarylloweralkyl; R.sub.2 and R.sub.3 are independently H or CH.sub.3 ; X is hydrogen, loweralkyl, cycloalkyl, loweralkoxy, halogen, hydroxy, nitro, trifluoromethyl, formyl, loweralkylcarbonyl, arylcarbonyl, --SH, loweralkylthio, --NHCOR.sub.4 or --NR.sub.5 R.sub.6 where R.sub.4 is hydrogen or loweralkyl, and R.sub.5 and R.sub.6 are independently hydrogen, loweralkyl or cycloalkyl; Y and Z are independently a direct bond, CR.sub.7 R.sub.8 or CR.sub.7 R.sub.8 --CR.sub.9 R.sub.10 ; and L and Q are independently CR'.sub.7 R'.sub.8, CR'.sub.7 R'.sub.8 --CR'.sub.9 R'.sub.10, CR'.sub.7 .dbd.CR'.sub.9 or CR'.sub.7 R'.sub.8 --CR'.sub.9 R'.sub.10 --CR.sub.11 R.sub.12, where each of R.sub.7 through R.sub.12 and R'.sub.7 through R'.sub.10 is independently H or CH.sub.3 ; a stereo, optical and geometrical isomers thereof, and pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory.
已披露的化合物具有以下结构式##STR1##其中R为氢、较低烷基或较低烷基羰基;R.sub.1为氢、较低烷基、较低烷基羰基、芳基、二较低烷基氨基较低烷基、芳基较低烷基、二芳基较低烷基、氧桥芳基较低烷基或氧桥二芳基较低烷基;R.sub.2和R.sub.3独立地为H或CH.sub.3;X为氢、较低烷基、环烷基、较低烷氧基、卤素、羟基、硝基、三氟甲基、甲酰基、较低烷基羰基、芳基羰基、--SH、较低烷基硫基、--NHCOR.sub.4或--NR.sub.5 R.sub.6,其中R.sub.4为氢或较低烷基,R.sub.5和R.sub.6独立地为氢、较低烷基或环烷基;Y和Z独立地为直接键、CR.sub.7 R.sub.8或CR.sub.7 R.sub.8--CR.sub.9 R.sub.10;L和Q独立地为CR'.sub.7 R'.sub.8、CR'.sub.7 R'.sub.8--CR'.sub.9 R'.sub.10、CR'.sub.7.dbd.CR'.sub.9或CR'.sub.7 R'.sub.8--CR'.sub.9 R'.sub.10--CR.sub.11 R.sub.12,其中R.sub.7至R.sub.12和R'.sub.7至R'.sub.10中的每个独立地为H或CH.sub.3;其立体、光学和几何异构体,以及其药学上可接受的酸盐,用于增强记忆。