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.
本发明涉及一种式为##STR1##的N-杂芳基嘌呤-6-胺,其中R.sub.1是氢、低碳基和芳基低碳基;R.sub.2和R.sub.3独立地是氢、低碳基或R.sub.2和R.sub.3一起是芳基;R.sub.4和R.sub.5独立地是氢、低碳基,或R.sub.4和R.sub.5一起是芳基;R.sub.6是氢、低碳基、芳基、芳基低碳基、##STR2##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加盐,如适用,其几何和光学异构体和外消旋混合物。本发明的化合物显示出作为镇痛和抗惊厥剂的用途。