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Synthesis 1994; 1994(3): 295-299
DOI: 10.1055/s-1994-25463
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Synthesis of Propyne Iminium Triflates By Vacuum Thermolysis of 3-Trifloxypropene Iminium Triflates: Scope and Some Limitations

Rainer Rahm* , Gerhard Maas
  • *Fachbereich Chemie, Universität Kaiserslautern, Erwin-Schrödinger- Straße, D-67663 Kaiserslautern, Germany
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Publication Date:
27 September 2002 (online)

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Vacuum thermolysis of various 3-trifloxypropene iminium triflates 1 leads to propyne iminium triflates 2 by ß-elimination of triflic acid. In contrast, salt 1j undergoes an intramolecular aromatic SE reaction.