申请人:Mitsui Petrochemical Industries Ltd.
公开号:US04959368A1
公开(公告)日:1990-09-25
A pharmaceutical composition comprising a pyrimidine represented by the following formula ##STR1## wherein R.sup.1 represents a hydrogen atom, an acyl group having 2 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 5 carbon atoms, an alkoxycarbonylmethyl group having 3 to 5 carbon atoms, a 3,4-dimethoxybenzoyl group or a 3,4-methylenedioxybenzyl group, R.sup.2 represents a hydrogen atom, an amino group, a monoalkylamino group having 1 to 4 carbon atoms, an alkoxy group having 1 to 5 carbon atoms or an alkoxycarbonyl group having 2 to 4 carbon atoms, R.sup.3 represents a hydrogen atom, an alkoxycarbonyl group having 2 to 4 carbon atoms, a dialkylaminocarbonyl group having 1 to 9 carbon atoms in each alkyl moiety, an alkoxy group having 1 to 5 carbon atoms, or a hydroxyethyl group, R.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, may form a 5- to 7-membered carbocyclic ring or a heterocyclic ring having N, O or S as the hetero atom, and R.sup.4 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkylthio group having 1 to 4 carbon atoms, or a pharmaceutically acceptable salt thereof. The above active compound has activities of promoting growth of nerve cells, forming neurites, and restoring motor functions, and is useful as an agent for treating diseases of peripheral and central nerves.
一种制药组合物,包括以下式表示的嘧啶 ##STR1## 其中 R.sup.1代表氢原子、具有2至4个碳原子的酰基、具有2至5个碳原子的烷氧羰基、具有3至5个碳原子的烷氧羰甲基基团、3,4-二甲氧基苯甲酰基团或3,4-亚甲二氧基苯甲基团,R.sup.2代表氢原子、氨基、具有1至4个碳原子的单烷基氨基、具有1至5个碳原子的烷氧基或具有2至4个碳原子的烷氧羰基,R.sup.3代表氢原子、具有2至4个碳原子的烷氧羰基、每个烷基部分具有1至9个碳原子的二烷基氨基羰基、具有1至5个碳原子的烷氧基或羟乙基基团,R.sup.2和R.sup.3以及它们结合的碳原子可能形成一个含有N、O或S作为杂原子的5至7成员碳环或杂环,R.sup.4代表氢原子、具有1至4个碳原子的烷基或具有1至4个碳原子的烷硫基,或其药用可接受盐。上述活性化合物具有促进神经细胞生长、形成神经突起和恢复运动功能的活性,并可用作治疗外周和中枢神经疾病的药物。