4.4 Article

α-Fluorination of β-ketosulfones by Selectfluor™ F-TEDA-BF4

Journal

TETRAHEDRON
Volume 64, Issue 30-31, Pages 7419-7425

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2008.05.034

Keywords

fluorination; Selectfluor (TM); beta-ketosulfones; difluoromethylene

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Attempted fluorination of beta-ketosulfides using Selectfluor (TM) resulted only in the isolation of the corresponding diaryl disulficles, presumed to arise by decomposition of an unstable fluorinated intermediate. However, fluorination of beta-ketosulfones using Selectfluor (TM) under anhydrous conditions does allow the isolation of both mono-and difluorinated products in moderate to good yields. (TM) 2008 Elsevier Ltd. All rights reserved.

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