Guanidine derivatives are provided useful for promoting growth, repair and regeneration of a neuronal axon and for treating neuropathies and myopathies. The compounds have the formula: ##STR1## wherein R.sub.1 is an isopropyl radical, a benzyl radical which is optionally substituted by one or more (C.sub.1 -C.sub.6)alkoxy radicals or a radical: ##STR2## R.sub.2, R.sub.3 and R.sub.4 together with the nitrogen atoms to which they are attached and the carbon atom to which the said nitrogen atoms are attached form a pyrimidine ring of formula II or a pyrimidinium ring of formula IIa: ##STR3##
提供了一种
鸟嘌呤衍
生物,用于促进神经轴突的生长、修复和再生,以及治疗神经病和肌病。该化合物的
化学式为:##STR1## 其中R.sub.1是异丙基基团、苄基基团(可选地被一个或多个(C.sub.1-C.sub.6)烷氧基基团取代)或基团:##STR2## R.sub.2、R.sub.3和R.sub.4与它们连接的氮原子以及连接这些氮原子的碳原子共同形成公式II的
嘧啶环或公式IIa的
嘧啶阳离子环:##STR3##