Tetrahedron Letters p. 4937 - 4940 (1986)
Update date:2022-08-04
Topics:
Fife, Wilmer K.
Zhang, Zhi-dong
Symmetrical anhydrides are produced quickly and in high yield by treating mixtures of a carboxylic acid and one-half equivalent thionyl chloride in dichloromethane with a solid-state copolymer of 4-vinylpyridine.This conversion is accomplished equally well in batch or column mode.
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(2016)
