A mixture of 14 g (0.1 mole) of methyl 5-methyl-2-furoate (see Vol. 1 of this work, p. 23), b.p. 97–99°/12 mm, 80 ml of dry chloroform (Note 1), 4.5 g of paraformaldehyde (0.15 mole, calculated as formaldehyde) and 3.4 g (0.025 mole) of anhydrous zinc chloride was prepared in a 250-ml four-necked round-bottomed flask fitted with stirrer, bent glass tube passing to the bottom of the flask and serving for the introduction of hydrogen chloride, gas-outlet tube, and thermometer.
KeywordsConcentrate Hydrochloric Acid Hydrogen Chloride Colorless Needle Potassium Cyanide Reach Room Temperature
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- A. L. Mndzhoian, V. G. Afrikian, M. T. Grigorian, and E. A. Markarian, Doklady Akad. Nauk Arm. SSR (Proc. Acad. Sci. Armenian SSR) 25, 277 (1957).Google Scholar