申请人:Hoechst-Marion-Roussel, Inc.
公开号:US05639892A1
公开(公告)日:1997-06-17
There are described compounds of the formula ##STR1## where X is O or S; (b) R is H, loweralkyl, ##STR2## where Y is O or S; R.sub.2 is alkyl, cycloalkyl, bicyclcalkyl, cycloalkenyl, aryl, arylloweralkyl, heteroaryl or heteroarylloweralkyl, R.sub.3 is H or alkyl, or the group --NR.sub.2.sub.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, heheroarylloweralkyl, cycloalkylmethyl or loweralkenylmethyl, with the proviso that when X is O, m is l, 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 l 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.
描述了一种化合物的公式 ##STR1## 其中X为O或S; (b) R为H,低碳基,##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,芳基低碳基,杂环芳基或杂环芳基低碳基,R.sub.3为H或烷基,或整个--NR.sub.2.sub.R.sub.3基团为1-吡咯烷基,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)-1-咪唑烷基),R.sub.4为氢,低碳基,芳基低碳基,二芳基低碳基,芳基或杂环芳基,(c) m为1或2; (d) 每个Z独立地为H,低碳基,卤素,硝基,--NH.sub.2,低碳基羰基氨基,芳基羰基氨基,低碳基氧羰基氨基或低碳基氨基,和 (e) R.sub.1为H,低碳基,芳基低碳基,杂环芳基低碳基,环烷基甲基或低碳烯基甲基,但须注意当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,m为1且Z和R.sub.1都为氢时,R不是氢或甲基,以及其药学上可接受的酸盐,其可用作增强记忆和镇痛剂。