- Method for preparing diethyl malonate
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The invention relates to a novel method for preparing diethyl malonate, comprisign the following steps: using malonate as a raw material, sodium hydride as a catalyst and diethyl sulfate as an ethylation reagent, stirring at 70-100 DEG C to react for 3-5 hours, and carrying out after-treatment on the reaction solution after the reaction is finished. The method is low in cost, easy in reaction operation and high in yield.
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Paragraph 0014
(2020/06/02)
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