• 二甲基吡乙酸,硝酸硫酸铵反应。

    Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.

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  • 2,3- 丁胺为原料,采用步法合成了2,3-甲基吡嗪研究催化剂体系脱氢反应的影响,得到了较好的结果.。

    Dimethylpyrazine was synthesized by the two_steps method of 2,3-butylanedione and ethylenediamine, the dehydrogen catalytic system was studied and better results were obtained.

    youdao

  • 2,3- 丁胺为原料,采用步法合成了2,3-甲基吡嗪研究催化剂体系脱氢反应的影响,得到了较好的结果.。

    Dimethylpyrazine was synthesized by the two_steps method of 2,3-butylanedione and ethylenediamine, the dehydrogen catalytic system was studied and better results were obtained.

    youdao

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