• 研究了D,L -交酯硫酸催化作用正丁醇进行交换反应合成乳酸丁酯条件。

    Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.

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  • 硫酸为催化剂催化合成酯,确定了酯化优化条件。

    A method of synthesis of allyl hexanoate catalyzed by titanic sulfate has been developed.

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  • 通过氧化研究硫酸-乙酸体系乙酸酯的形成机理,及相关影响因素

    Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.

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  • 应用硫酸催化肉桂酯化反应合成肉桂酸正酯。

    Normal propyl cinnamylate was synthesized by the esterification of normal propyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.

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  • 环氧硫酸原料采用步法合成2,3-环氧磺酸钠;

    The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;

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  • 本文研究了以酮酸乙酯、 硫酸二胺硫酸为原料合成吡螨胺中间体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.

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  • 主要成份:去离子水十二烷基硫酸C8-16烷基糖苷三醇、尼金甲、尼箔金脂、橄榄油香料

    INGREDIENTS: Deionized water, 12 alkyl ether sulfate, C8-16 alkyl glucoside, glycerol, Kim Kap-grease foil Nepal, Niger foil gold c fat, propylene glycol, olive oil, spices.

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  • 利用红外光谱磁共振对魔芋葡甘低聚糖醛酸硫酸酯钠结构进行了分析,表明合成 物结构试验设计吻合

    The results of IR and H-NMR spectrometry show that it possesses the structure of heparinoid, which accords with the preceding design.

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  • 利用红外光谱磁共振对魔芋葡甘低聚糖醛酸硫酸酯钠结构进行了分析,表明合成 物结构试验设计吻合

    The results of IR and H-NMR spectrometry show that it possesses the structure of heparinoid, which accords with the preceding design.

    youdao

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