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.
各种3-
三氟甲烷基
丙烯亚胺三氟甲磺酸盐1在真空热解条件下通过三
氟甲酸的β-消除反应生成
丙炔亚胺三氟甲磺酸盐2。相较之下,盐1j则经历了一个分子内芳香性亲核取代反应。