A solution of 18.4 g (0.1 mole) of 5-(propoxymethyl)-2-furoic acid (see Vol. 1 of this work, p. 37), m.p. 43–44°, in 50 ml of dry benzene was prepared in a 200-ml round-bottomed flask fitted with reflux condenser protected by a calcium chloride tube, and 13.1 g (0.11 mole) of freshly distilled thionyl chloride was added as a solution in 30 ml of dry benzene.
KeywordsOrganic Chemistry Water Bath Calcium Chloride Heterocyclic Compound Reflux Condenser
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