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Diethyl(phenylacetyl)malonate CAS 20320-59-6

CAS 20320-59-6 Diethyl(phenylacetyl)malonate products price and suppliers

Name: Diethyl(phenylacetyl)malonateMolecular Weight: 278.30042Formula: C15H18O5Synonyms: Cas 20320-59-6; diethyl 2-(2-phenylacetyl)propanedioate; diethyl 2-(2-phenylacetyl)propanedioate wickr bettyml; Propanedioic acid, 2-(2-phenylacetyl)-, 1,3-diethyl ester;
Organic synthesis intermediates.
Solubility Very slightly soluble (0.33 g/L) (25 ºC), Calc.
Density 1.148±0.06 g/cm3 (20 ºC 760 Torr), Calc.

The anhydrous ethanol co-vaporized with diethyl phthalate and sodium metal is added dropwise to the mixture of diethyl malonate, carbon tetrachloride and magnesium, heated to start the reaction, and the temperature is controlled to smooth the reaction. Then add anhydrous diethyl ether, heat for 1h, add the diethyl ether solution of phenylacetyl chloride (add slowly, not to make the reaction too intense). After the reaction is completed, cool and add water, separate the oil layer, and evaporate the diethyl ether under reduced pressure to obtain diethyl(phenylacetyl)malonate.