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ChemicalBook CAS DataBase List ETHYL 3-(2-FURYL)PROPIONATE

ETHYL 3-(2-FURYL)PROPIONATE synthesis

12synthesis methods
By direct esterification of the acid, which in turn is prepared by condensation of furfural with acetic anhydride and sodium acetate, followed by hydrogenation of the furacrylic acid
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Yield: 89%

Reaction Conditions:

Stage #1:2-Chloromethylfuran with magnesium in diethyl ether at -5; for 1 h;
Stage #2:chloroacetic acid ethyl ester in diethyl ether at 20; for 6 h;

Steps:

1 Example 1; Preparation of condensation products; Preparation of a condensation product of 2-chloromethylfuran and ethyl chloroacetate.
Add 1.16 g to a 100 mL three-necked flask equipped with a reflux condenser and a constant pressure dropping funnel.The substrate was 2-chloromethylfuran, and 20 ml of diethyl ether as a solvent was added.3.6 g of magnesium was added in portions at -5 ° C, and a gas appeared, and the addition was completed.After 1 h of heat preservation reaction, a solution of 1.32 g of ethyl chloroacetate in 10 ml of diethyl ether was added dropwise, and the mixture was added to room temperature for 6 h.After the completion of the reaction, a saturated ammonium chloride solution was added, followed by extraction, liquid separation, and the organic layer was spin-dried to obtain a condensation product.Weighed, the yield was 89%.

References:

University of Science and Technology of China;Fu Yao;Li Xinglong;Xie Guangxia;Chen Shiyan;Kong Qingshan CN109503353, 2019, A Location in patent:Paragraph 0040-0044

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