triethylsilane; trifluoroacetic acid in chloroform 20 h; Ambient temperature;

1: triethylsilane, trifluoroacetic acid / CHCl3 / 20 h / Ambient temperature 2: 82 percent / H2O / 2 h / Ambient temperature 3: triethylsilane / CHCl3 / 20 h / Ambient temperature 4: 94 percent / H2O / 0.75 h / Ambient temperature 5: triethylsilane / CHCl3 / 20 h / Ambient temperature 6: 94 percent / H2O / 0.5 h / Ambient temperature 7: triethylsilane, trifluoroacetic acid / CHCl3 / 20 h / Ambient temperature 8: 87 percent / H2O / 1 h / Ambient temperature 9: triethylsilane, trifluoroacetic acid / CHCl3 / 20 h / Ambient temperature View Scheme