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A Novel Method for the Preparation of α,α‘-Difluoroesters and Acids Using BrF3

✍ Scribed by Hagooly, Aviv; Sasson, Revital; Rozen, Shlomo

Book ID
111869172
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
49 KB
Volume
68
Category
Article
ISSN
0022-3263

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A Novel Synthetic Approach to the Preparation of Various α,. alpha.-Difluoroesters. -Successive condensation of ethyl bromofluoroacetate with thiophenol and aldehydes provides α-fluoro-β-hydroxy-α-phenylthio esters (I). Treatment of these esters with exception of (Id) with DAST yields rearranged α,