申请人:Hoechst-Roussel Pharmaceuticals, Inc.
公开号:US04791107A1
公开(公告)日:1988-12-13
There are described compounds of the formula ##STR1## where (a) X is O or S; (b) R is H, loweralkyl, ##STR2## where Y is O or S; R.sub.2 is alkyl, cycloalkyl, bicycloalkyl, cycloalkenyl, aryl, arylloweralkyl, heteroaryl or heteroarylloweralkyl, R.sub.3 is H or alkyl, or the group --NR.sub.2 R.sub.3 taken as a whole is 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, 4-thiomorpholinyl, 1-piperazinyl, 4-methyl-1-piperazinyl or 2-(2,6-dichlorophenylimino)-1-imidazolidinyl) and R.sub.4 is hydrogen, loweralkyl, arylloweralkyl, diarylloweralkyl, aryl or heteroaryl, (c) m is 1 or 2; (d) each Z is independently H, loweralkyl, halogen, nitro, --NH.sub.2, loweralkylcarbonylamino, arylcarbonylamino, loweralkoxycarbonylamino or loweralkylamino, and (e) R.sub.1 is H, loweralkyl, arylloweralkyl, heteroarylloweralkyl, cycloalkylmethyl or loweralkenylmethyl, with the proviso that when X is O, m is 1, Z is H and R.sub.1 is methyl, R is not --CONHCH.sub.3, --CONHC.sub.6 H.sub.5, hydrogen, methyl or ethyl, and that when X is O, m is 1 and Z and R.sub.1 are both hydrogen, R is not hydrogen or methyl, and pharmaceutically acceptable acid addition salts thereof which are useful as memory-enhancing and analgesic agents.
描述了以下化合物的化学式##STR1## 其中(a)X为O或S;(b)R为H、loweralkyl、##STR2## 其中Y为O或S;R.sub.2为烷基、环烷基、双环烷基、环烯基、芳基、芳基loweralkyl、杂环芳基或杂环芳基loweralkyl,R.sub.3为H或烷基,或整体视为--NR.sub.2 R.sub.3时为1-吡咯基、1-哌啶基、4-吗啉基、4-硫代吗啉基、1-哌嗪基、4-甲基-1-哌嗪基或2-(2,6-二氯苯基亚胺基)-1-咪唑烷基)和R.sub.4为氢、loweralkyl、芳基loweralkyl、二芳基loweralkyl、芳基或杂环芳基,(c)m为1或2;(d)每个Z独立地为H、loweralkyl、卤素、硝基、--NH.sub.2、loweralkylcarbonylamino、arylcarbonylamino、loweralkoxycarbonylamino或loweralkylamino,(e)R.sub.1为H、loweralkyl、芳基loweralkyl、杂环芳基loweralkyl、环烷基甲基或loweralkenylmethyl,但当X为O时,m为1、Z为H且R.sub.1为甲基时,R不是--CONHCH.sub.3、--CONHC.sub.6 H.sub.5、氢、甲基或乙基,当X为O时,m为1且Z和R.sub.1均为氢时,R不是氢或甲基,以及其药用可接受的酸盐,可用作增强记忆和镇痛剂。