Convenient source of ‘naked’ fluoride: tetra-n-butylammonium chloride and potassium fluoride dihydrate
Abstract
A mixture of tetra-n-butylammonium chloride and potassium fluoride dihydrate in acetonitrile can be used as a convenient source of active fluoride ion in place of tetra-alkylammonium fluoride or potassium fluoride–crown ether combinations.