申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US04742061A1
公开(公告)日:1988-05-03
There are disclosed novel compounds of the formula ##STR1## where m is 1 or 2; each X is independently H, halogen, loweralkyl, loweralkoxy, --CF.sub.3, or --OH; R is H, loweralkyl, chloroloweralkyl, bromoloweralkyl, iodoloweralkyl, aminoloweralkyl, loweralkylaminoloweralkyl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, thienylloweralkyl, furylloweralkyl, loweralkanoyl, chloroloweralkanoyl, bromoloweralkanoyl, iodoloweralkanoyl, aminoloweralkanoyl, loweralkylaminoloweralkanoyl, diloweralkylaminoloweralkanoyl, aroyl, arylloweralkanoyl or diarylloweralkanoyl, thienylloweralkanoyl, furylloweralkanoyl; and R.sub.1 is .dbd.O, ##STR2## or --NR.sub.2 R.sub.3, R.sub.2 and R.sub.3 being independently H or loweralkyl, or taken together with the nitrogen atom to which they are attached constituting ##STR3## R.sub.4 in turn being H, loweralkyl, hydroxyloweralkyl, aryl, arylloweralkyl or diarylloweralkyl, with the proviso that when R.sub.1 is --NR.sub.2 R.sub.3, R is nonexistent, that when R.sub.1 is .dbd.O, R is not an acyl group and that when R.sub.1 is ##STR4## R is not chloroloweralkyl, bromoloweralkyl or iodoloweralkyl; or pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory.
公开了一种新颖的化合物,其化学式为##STR1##其中m为1或2;每个X独立地为H、卤素、较低烷基、较低烷氧基、--CF.sub.3或--OH;R为H、较低烷基、氯代较低烷基、溴代较低烷基、碘代较低烷基、氨基较低烷基、较低烷基氨基较低烷基、二较低烷基氨基较低烷基、芳基较低烷基、二芳基较低烷基、噻吩基较低烷基、呋喃基较低烷基、较低烷酰基、氯代较低烷酰基、溴代较低烷酰基、碘代较低烷酰基、氨基较低烷酰基、较低烷基氨基较低烷酰基、二较低烷基氨基较低烷酰基、芳酰基、芳基较低烷酰基或二芳基较低烷酰基、噻吩基较低烷酰基、呋喃基较低烷酰基;而R.sub.1为.dbd.O、##STR2##或--NR.sub.2 R.sub.3,其中R.sub.2和R.sub.3独立地为H或较低烷基,或与它们连接的氮原子一起构成##STR3##R.sub.4又为H、较低烷基、羟基较低烷基、芳基、芳基较低烷基或二芳基较低烷基,但有一个限制条件,即当R.sub.1为--NR.sub.2 R.sub.3时,R不存在,当R.sub.1为.dbd.O时,R不是酰基,当R.sub.1为##STR4##时,R不是氯代较低烷基、溴代较低烷基或碘代较低烷基;或其药学上可接受的酸盐,用于增强记忆。