gem-Difluorination of 2,2-diaryl-1,3-dithiolanes by Selectfluor and pyridinium polyhydrogen fluoride |
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| Authors: | Reddy V Prakash Alleti Ramesh Perambuduru Meher K Welz-Biermann Urs Buchholz Herwig Prakash G K Surya |
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| Affiliation: | Department of Chemistry, University of Missouri-Rolla, Rolla, MO 65409-00010, USA. preddy@umr.edu |
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| Abstract: | 2,2-diaryl-1,3-dithiolanes, readily obtainable from diaryl ketones, were transformed into the corresponding gem-difluoro compounds using a novel reagent combination involving Selectfluor and pyridinium polyhydrogen fluoride (PPHF) under mild conditions in moderate to good yields. |
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