改进了重要中间体4 氨基1 甲基3 正丙基吡唑5 酰胺（6 ）的合成工艺。
The method of preparation of the key intermediate, 4 amino 1 methyl 3 n propylpyrazole 5 carboxamide(6)was improved.
合成了一种新型铁络合偶氮染料，其母体染料由间氨基对羟基苯酚对磺酸和1-间氯苯-3-甲基吡唑啉酮偶合而成。
A new Fe-azo complex dyestuff was synthesized by complexing iron salt with the pre-dyestuff that was prepared from the o-aminophenolsulfonic acid and Cl-substituted pyrazolone.
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