【摘要】 研究了不活泼芳胺（杂环胺）与α，α－二氰基二硫缩醛的加成－消除反应。报道了一种应用阴离子交换树脂有效合成３－芳氨基－４－氰基－５－氨基吡唑的一锅煮方法。更多还原

【Abstract】 The addition elimination reaction of inactive aromatic amine with α,α dicyano ketene dithioacetals has been studied. An efficient one pot method for the synthesis of 3 arylamino 4 cyano 5 aminopyrazole mediated with anion exchange resin(D261) is described.更多还原