• 对三丙酮合成精制工艺进行了研究。

    The synthesis of the triacetonamine and refining process were studied.

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  • 最后我们选用异二丙锂(LDA)为碱,在干冰丙酮浴下,合成醇磷酸酯很高的立体选择性。

    At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.

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  • 本文研究了以丙酰丙酮酸乙酯、 硫酸二硫酸钾为原料合成吡螨中间体3-乙基-5- 吡唑羧酸酯的方法。

    It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.

    youdao

  • 本文研究了以丙酰丙酮酸乙酯、 硫酸二硫酸钾为原料合成吡螨中间体3-乙基-5- 吡唑羧酸酯的方法。

    It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.

    youdao

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