A process for preparing 3-alkoxy-5-alkylpyrazin-2-amines of the general formula: ##STR1## wherein R.sup.1 is a C.sub.1-4 -alkyl group or an aryl group and R.sup.2 is a C.sub.1-4 -alkoxy group or an aryloxy group, starting either from aminomalononitrile or from aminoacetonitrile.
一种制备通式为:##STR1## 其中R.sup.1为C.sub.1-4烷基或芳基,R.sup.2为C.sub.1-4烷氧基或芳氧基的3-烷氧基-5-烷基
吡嗪-2-胺的方法,可以从
氨基
丙腈或
氨基乙腈开始制备。