The preparation of di-and trifluoroacetic acids is easily accomplished by the oxidation of olefins containing the-CHF:, and-CFa groyps, respectively. Monofluoroacetic acid derivatives are obtained by a reaction of the corresponding chloroor bromo-compound with thallous fluoride or potassium fluoride. 2 The preparation of mixed fluorohaloacetic acids has received less attention although Swarts prepared some of the bromofluoroacetic ...
