申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US05017578A1
公开(公告)日:1991-05-21
This invention relates to a N-heteroaryl-purin-6-amine of the formula ##STR1## where R.sub.1 is hydrogen, lower alkyl, and arylloweralkyl; R.sub.2 and R.sub.3 are independently hydrogen, lower alkyl or R.sub.2 and R.sub.3 taken together are aryl; R.sub.4 and R.sub.5 are independently hydrogen, lower alkyl, or R.sub.4 and R.sub.5 taken together are aryl; R.sub.6 is hydrogen, lower alkyl, aryl, arylloweralkyl, ##STR2## where R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as defined above, and the pharmaceutically acceptable acid addition salts thereof and where applicable the geometric and optical isomers and racemic mixtures thereof. The compounds of this invention display utility as analgesic and anticonvulsant agents.
本发明涉及一种具有以下结构的N-杂环芳基嘌呤-6-胺化合物:其中R.sub.1为氢、较低烷基和芳基较低烷基;R.sub.2和R.sub.3独立地为氢、较低烷基或R.sub.2和R.sub.3同时为芳基;R.sub.4和R.sub.5独立地为氢、较低烷基,或R.sub.4和R.sub.5同时为芳基;R.sub.6为氢、较低烷基、芳基、芳基较低烷基、其中R.sub.2、R.sub.3、R.sub.4和R.sub.5如上定义,以及其药学上可接受的酸盐,以及适用的几何和光学异构体和消旋混合物。本发明的化合物显示出作为镇痛和抗抽搐剂的效用。