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以丙二腈为起始原料,与苯胺缩合后环化,两步反应制得3-氨基-4-氰基吡唑,产品纯度达到99.2%,反应总收率73.6%,工艺操作简单,适于工业化生产。
3-Amino-4-cyanopyrazole is obtained from malononitrile as the starting material by condensation with aniline and cyclization in two steps. The purity of the product reaches 99.2% and the total yield of the reaction is 73.6%. The process operation is simple and suitable In industrial production.