Journal of Fluorine Chemistry p. 247 - 262 (1988)
Update date:2022-08-31
Topics:
Langlois, Bernard R.
A new solid-liquid phase-transfer technique has been used to synthesize aryl difluoromethyl ehters and thioethers.Phenols (or thiophenols) and chlorodifuoromethane, dissolved in a cheap aprotic solvent of low polarity, are contacted with solid sodium hydroxide in the presence of a catalytic amount of tris-(3,6-dioxaheptyl)amine.The work-up of the reaction mixtures is very simple.Although yields are similar in both homogeneous and heterogeneous procedures using phenols, improved yields are obtained for thiophenols when using phase-transfer conditions.
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