• 香成分龙脑水杨醛、丙二酸、亚麻30个化合物,占芳香油总量76 95 %。

    The 30 main compounds are bornyl acetate , salicylic aldehyde, diethyl malonate, ethyl linolenate, etc, which amount to 76.95 % content of the oil.

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  • 以己二酸原料狄克曼反应合成2-环戊基甲

    Synthesis of 2-(ethoxycarbonyl) cyclopentanone by Dieckmann reaction with diethyl adipate as raw material was studied.

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  • 实验以水杨醛、丙为原料,为催化剂催化合成香豆素- 3 -羧,再皂化环合合成香豆素- 3 -羧

    Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin -3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.

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  • 根据缩合原理,研究并提出了“克兰逊”催化缩合法,通过特性触煤合成氧基甲叉基产品提高了产品质量回收率

    Through the peculiarity contact-coat, composes the ethoxy methylene propane dioic acid dio-ethylest which improves the quality and yield of the product.

    youdao

  • 根据缩合原理,研究并提出了“克兰逊”催化缩合法,通过特性触煤合成氧基甲叉基产品提高了产品质量回收率

    Through the peculiarity contact-coat, composes the ethoxy methylene propane dioic acid dio-ethylest which improves the quality and yield of the product.

    youdao

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