ammonia in methanol 5 h; Ambient temperature;

1: 1.) acetonitrile, 0 degC, 2.) 0 degC to R.T. 2 h 2: 91 percent / NH3 / methanol / 5 h / Ambient temperature View Scheme

1: chlorotrimethylsilane / Heating 2: 1.) acetonitrile, 0 degC, 2.) 0 degC to R.T. 2 h 3: 91 percent / NH3 / methanol / 5 h / Ambient temperature View Scheme