Z. Hui
2007
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Journal
Chinese Journal of Pharmaceuticals
Abstract
2,3,4,5,6-Pentafluorobenzoic acid was synthesized from 2,3,4,5,6-pentachlorobenzonitrile by fluorine exchange in sulfolane to give 2,3,4,5,6-pentafluorobenzonitrile, which was subjected to hydrolysis by 50% sulfuric acid with an overall yield of about 45%.