本发明涉及有机物的合成，具体的说是一种制备丙酮酸乙酯的方法。
The invention relates to synthesis of an organic matter, in particular to a method for preparing ethyl pyruvate.
结论：丙酮酸乙酯可以对抗内毒素诱导的脓毒症休克犬的急性肺损伤。
CONCLUSION: Ethyl pyruvate has protective effects on acute lung injury in dogs with septic shock.
叙述了以丙酮酸与无水乙醇为原料，在催化剂存在下，反应合成丙酮酸乙酯的过程。
The text take about ethyl pyruvate was synthesized by adding to a suitable catalyst with pyruvic acid and absolute ethanol.
论述了以丙酮酸、乙醇为原料，离子交换树脂作催化剂，催化合成丙酮酸乙酯的新工艺。
Pyruvic acid, grain alcohol as material, cation exchange resin as catalyst, the ethyl pyruvate was synthesized.
选择了合适的原料配比、催化剂、脱水剂用量等反应条件，反应所得到的丙酮酸乙酯收率为82.5%；
Selective suitable conditions such as the ratio of reactions, different catalyst and the addition of dehydrater etc are presented. The result which is the yield of product is 82.5%.
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.
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
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