Synthesis p. 295 - 299 (1994)
Update date:2022-08-04
Topics: Synthesis Scope Limitations Propyne
Rahm
Maas
Vacuum thermolysis of various 3-trifloxypropene iminium triflates 1 leads to propyne iminium triflates 2 by β-elimination of triflic acid. In contrast, salt 1j undergoes an intramolecular aromatic S(E) reaction.
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