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Synlett 1990; 1990(10): 594-596
DOI: 10.1055/s-1990-21177
DOI: 10.1055/s-1990-21177
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Convenient Transformation of Carbonyl Compounds via Their Hydrazones into gem-Difluoro Compounds with N-Bromosuccinimide/Pyridinium Poly(hydrogen fluoride) or Poly-4-vinyl-pyridinium Poly(hydrogen fluoride)1
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Publikationsverlauf
Publikationsdatum:
08. März 2002 (online)
In situ generated bromine monofluoride (BrF) from N-bromosuccinimide/pyridinium poly(hydrogen fluoride) or poly-4-vinylpyridinium poly(hydrogen fluoride) reacts with hydrazones to give the corresponding gem-difluoro compounds (8 examples) in satisfactory yield.