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Synlett 2001; 2001(4): 0547-0549
DOI: 10.1055/s-2001-12315
DOI: 10.1055/s-2001-12315
letter
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Tetrabutylammonium Butyldifluorodimethylsilicate and Difluorodimethylphenylsilicate, New Nucleophilic Fluorinating Reagents
Further Information
Publication History
Publication Date:
31 December 2001 (online)
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Tetrabutylammonium butyldifluorodimethylsilicate (TAMBS, 1 a) and tetrabutylammonium difluorodimethylphenylsilicate (TAMPS, 1 b) were conveniently prepared from the corresponding substituted fluorodimethylsilanes and tetrabutylammonium fluoride. Both fluorosilicates 1 a, 1 b are powerful nucleophilic fluorinating reagents which transform primary or secondary halides, tosylates, or mesylates to the corresponding fluorides in moderate to good yields.
nucleophilic fluorination - hypervalent silicon compounds - butyldifluorodimethylsilicate - difluorodimethylphenylsilicate