L. Shubin
2009
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Journal
Chemical Intermediates
Abstract
2,5-dimethyl-4-hydroxy-3 (2H)-franone is an very important perfume, and the ethyl 2-(2-ethoxy-2-oxoethoxy)-propionate is an important intermediate in the synthetic of furanone. The benzene derivative is used for solvent and the sodium and ethyl lactate is used for raw material to make the intermediate in the thesis.The effects of addition order,reaction temperature ,reaction time ,ratio of raw material and solvent on the yield were studied,the optimum condition was found: reaction temperature 90 ℃, reaction time 3h , n (Ethyl chloracetate):n (Na)=1.2:1.0,the solvent was toluene and the total yield was 58.6%.