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ChemInform Abstract: A Novel Synthetic Approach to the Preparation of Various α,. alpha.-Difluoroesters.

✍ Scribed by S. BILDSTEIN; J.-B. DUCEP; D. JACOBI

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

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,α-difluoro-β-phenylthioesters. The products are suitable precursors for ester types (VII)-(IX) . -(

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