The carbonyl groups of diaryl ketones and diaryl diketones were directly fluorinated with bis(2-methoxyethyl)aminosulfur trifluoride (Deoxofluor) under neat conditions to give the Corresponding gem-difluorides and tetrafluorinated derivatives in moderate to high yields. (C) 2008 Elsevier Ltd. All rights reserved.
Direct Fluorination of the Carbonyl Group of Benzophenones Using Deoxo-Fluor®: Preparation of Bis(4-Fluorophenyl)Difluoromethane