申请人:Roehm GmbH Chemische Fabrik
公开号:US05124326A1
公开(公告)日:1992-06-23
A pharmaceutically efficacious pteridine compound of formula I: ##STR1## wherein A denote a bridging hydrocarbon group containing 1 to 8 carbon atoms and containing a ##STR2## group directly bonded to the phenyl group and one of the methylene radicals of the bridging A group is optionally replaced by --O--; R.sub.1 is hydrogen, a cycloalkyl group with up to 7 carbon ring atoms, or an alkyl group having 1 to 6 carbon atoms, benzyl, or aryl; R.sub.2 is hydrogen or an alkyl group having 1 to 6 carbon atoms, or wherein R.sub.1 and R.sub.2 together form a five- or six-membered heterocyclic group which optionally contains additional hetero atoms selected from the group consisting of nitrogen, oxygen, and sulfur; R.sub.3 is hydrogen or an alkyl group having 1 to 3 carbon atoms; R.sub.3 ' is hydrogen, an optionally substituted alkyl group having 1 to 3 carbon atoms, carboxyl, hydroxyl or R.sub.3 and R.sub.3 ' together with the carbon atom to which they are attached form a cycloalkyl group and the pharmaceutically acceptable acid addition salts thereof.
公式I的药物有效的喹嗪化合物:##STR1## 其中A表示含有1至8个碳原子的桥接烃基,并且直接与苯基和桥接A基团的一个甲基自由基中的一个可选择地被--O--替换的##STR2##基团相连;R.sub.1是氢、具有最多7个碳环原子的环烷基或具有1至6个碳原子的烷基、苄基或芳基;R.sub.2是氢或具有1至6个碳原子的烷基,或者R.sub.1和R.sub.2一起形成一个五元或六元的杂环基团,该杂环基团可选择地包含来自氮、氧和硫的其他杂原子;R.sub.3是氢或具有1至3个碳原子的烷基;R.sub.3'是氢、可选择地被取代的具有1至3个碳原子的烷基、羧基、羟基或R.sub.3和R.sub.3'与它们所连接的碳原子一起形成环烷基,以及其药用酸盐。