二甲基吡嗪与苯乙酸,硝酸银和过硫酸铵反应。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.
实验结果表明:1)与传统的氯化铵固化剂相比,过硫酸铵催化的脲醛树脂的热分析曲线的起始温度和峰顶温度都很低,显示出良好的固化促进作用;
The results indicate that:1)Compared with traditional cure agent-ammonium chloride, LUF resins catalyzed by ammonium persulphate have lower temperatures of exotherm, revealing much faster curing rate;
以过硫酸铵和硝酸银为自由基引发剂 ,以2 ,3二甲吡嗪和苯乙酸为原料 ,首次采用自由基烃基化反应合成5苄基 2 ,3 二甲吡嗪。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.
以过硫酸铵和硝酸银为自由基引发剂 ,以2 ,3二甲吡嗪和苯乙酸为原料 ,首次采用自由基烃基化反应合成5苄基 2 ,3 二甲吡嗪。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.
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