Chemistry Letters

A facile method for the fluorine substitution of phenylthio group via sulfonium salts using cesium fluoride.

J Ichikawa, K Sugimoto, T Sonoda, H Kobayashi

Index: Ichikawa, Junji; Sugimoto, Ken-ichi; Sonoda, Takaaki; Kobayashi, Hiroshi Chemistry Letters, 1987 , p. 1985 - 1988

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Abstract

Monofluorinated compounds are easily prepared in good yields by treating phenyl sulfides with methyl fluorosulfonate and cesium fluoride in refluxing dichloromethane, successively. This reaction proceeds under so mild conditions as not to affect the coexisting bromine substituent.

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