期刊
ORGANIC LETTERS
卷 13, 期 6, 页码 1444-1446出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol200129q
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资金
- Texas AM University
- National Science Foundation [CHE-0952912]
- Welch Foundation [A-1423]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0952912] Funding Source: National Science Foundation
The sulfonium borane 2(+) reacts with fluoride anions in MeOH/H2O mixtures to afford the zwitterionic fluoroborate 2-F as an easily isolable nonhygroscopic solid. In dry acetonitrile, 2-F reacts with PhS- to afford the anionic fluoroborate 1-F-. The latter is very labile and acts as a nucleophilic fluorination reagent toward a variety of substrates including alkylhalides and electron-deficient aromatic compounds. This approach may become broadly applicable to nucleophilic fluorination procedures that involve wet fluoride sources.
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