反应条件
1: 1.) trifluoromethanesulfonic acid (TFSA) / 1.) CH2Cl2, -40 deg C, 10 min, 2.) -78 deg C to 20 deg C 2: H2O, trifluoromethanesulfonic acid (TFSA) View Scheme
参考文献
Okabe, Kazuaki; Ohwada, Tomohiko; Ohta, Toshiharu; Shudo, Koichi
Journal of Organic Chemistry, 1989 , vol. 54, # 4 p. 733 - 734