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Abstract

A mixture of 56 g (0.5 mole) of 2-furoic acid (see p. 43), m.p. 128–132°, and 100 ml of dry benzene was prepared in a 300-ml round-bottomed flask fitted with reflux condenser protected by a calcium chloride tube; a solution of 71.5 g (0.6 mole) of freshly distilled thionyl chloride in 50 ml of benzene was then added. The upper end of the calcium chloride tube was connected to a Tishchenko vessel containing a solution of caustic alkali, which served to absorb hydrogen chloride and sulfur dioxide liberated during the reaction.

Keywords

Calcium Chloride Sulfur Dioxide Heterocyclic Compound Convenient Method Acid Chloride 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1959

Authors and Affiliations

  • A. L. Mndzhoian

There are no affiliations available

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