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Synlett 1992; 1992(8): 647-650
DOI: 10.1055/s-1992-21443
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Ionic Hydrogenation with Triethylsilane-Trifluoroacetic Acid-Ammonium Fluoride or Triethylsilane-Pyridinium Poly(hydrogen fluoride)1

George A. Olah* , Qi Wang, G. K. Surya Prakash
  • *Donald P. and Katherine B. Loker Hydrocarbon Research Institute and the Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, USA
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Publication Date:
08 March 2002 (online)

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Trifluoroacetic acid induced ionic hydrogenation of organic compounds (e.g., ketones, alcohols, alkenes) with triethylsilane as a reducing agent is improved by the addition of ammonium fluoride, making separation of the products easier due to the formation of volatile fluorotriethylsilane. Similarly triethylsilane-pyridinium poly(hydrogen fluoride) is found to be a highly efficient novel ionic hydrogenation system.