研究了D,L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
以硫酸钛为催化剂催化合成了己酸烯丙酯,确定了酯化优化条件。
A method of synthesis of allyl hexanoate catalyzed by titanic sulfate has been developed.
通过铬酸氧化丙醇制酯法,研究在硫酸-乙酸体系中,乙酸丙酯及丙酸丙酯的形成机理,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.
应用硫酸氢钾催化肉桂酸与正丙醇的酯化反应合成肉桂酸正丙酯。
Normal propyl cinnamylate was synthesized by the esterification of normal propyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
以环氧氯丙烷、亚硫酸氢钠为原料,采用两步法合成2,3-环氧丙磺酸钠;
The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
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.
主要成份:去离子水、十二烷基醚硫酸钠、C8-16烷基糖苷、丙三醇、尼箔金甲脂、尼箔金丙脂、丙二醇、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.
利用红外光谱和核磁共振氢谱对魔芋葡甘低聚糖醛酸丙酯硫酸酯钠的结构进行了分析,表明合成 物结构与试验设计相吻合。
The results of IR and H-NMR spectrometry show that it possesses the structure of heparinoid, which accords with the preceding design.
利用红外光谱和核磁共振氢谱对魔芋葡甘低聚糖醛酸丙酯硫酸酯钠的结构进行了分析,表明合成 物结构与试验设计相吻合。
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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