Bromination of Phenols by Means of Bromide-Bromate Solution
β Scribed by Francis, Alfred; Hill, A
- Book ID
- 127076582
- Publisher
- American Chemical Society
- Year
- 1941
- Weight
- 129 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0096-4484
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π SIMILAR VOLUMES
Electmphilic aromatic bmminatbn of phenol ethers in superacki medium can be achieved with sodiim or potassium bromide. The yield and selectivity are lower than wtth bromine, the oxidation of the halide to the electmphilic halogen catbn is obtained by concomitant reduction of antimony per&fluoride. S
The redox reaction Br -Ο© BrO 3 -has been studied in aqueous zwitterionic micellar solutions of N-tetradecyl-N, N-dimethyl-3-ammonio-1-propanesulfonate, SB3-14, and N-hexadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate, SB3-16. A simple expression for the observed rate constant, k obs , based on the