5-Ethyl-2-Furoic Acid

  • A. L. Mndzhoian


Ethyl 5-Ethyl-2-furoate. A mixture of 50.6 g (0.25 mole) of ethyl 5-(1-chloroethyl)-2-furoate (see p. 76), b.p. 108–1100/0.5 mm, and 150 ml of glacial acetic acid was prepared in a 500-ml four-necked round-bottomed flask fitted with mercury-sealed stirrer, reflux condenser carrying a gas-outlet tube, thermometer, and glass tube passing to the bottom of the flask and serving for the introduction of hydrogen chloride. Over a period of 20–30 minutes, 49 g (0.75 g-atom) of zinc dust was added in small portions to the vigorously stirred mixture (Note 1). When all of the zinc had been added, a stream of dry hydrogen chloride was passed into the mixture for 3.5–4 hours at such a rate that the temperature of the mixture did not rise above 55–60° (Note 3). When saturated with hydrogen chloride, the reaction mixture was heated in a water bath for 20–30 minutes (Note 4).


Glacial Acetic Acid Sodium Bicarbonate Anhydrous Sodium Sulfate Sodium Hydroxide Solution Reflux Condenser 
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Literature Cited

  1. 1.
    A. L. Mndzhoian and A. A. Aroian, Doklady Akad. Nauk Arm. SSR (Proc. Acad. Sci. Armenian SSR) 25, 267 (1957).Google Scholar

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© Springer Science+Business Media New York 1959

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  • A. L. Mndzhoian

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