Diethyl allylmalonate CAS NO.2049-80-1

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Diethyl allyl malonate is an organic intermediate that can be obtained by reacting diethyl malonate with allyl bromide. It has been reported that it can be used to prepare an insecticide for Anopheles sinensis.

In a nitrogen atmosphere, diethyl malonate (20g), anhydrous potassium carbonate (43g) and anhydrous CH3CN (200mL) were added to a 500mL three-necked round-bottom flask. Stir the reaction mixture Chemicalbook at room temperature for 10 minutes, then slowly add allyl bromide (23g) to the reaction mixture at room temperature. The reaction mixture is heated to 80 ° C for 24 hours. The reaction mixture is cooled to room temperature and filtered through a bed of diatomaceous earth. The diatomite bed was washed with acetonitrile (100mL), and the combined filtrate was concentrated to obtain diethyl allyl malonate (24g), which was a colorless liquid.