1: 19 percent / HCl / methanol / 48 h / Ambient temperature 2: 64 percent / NaOMe, NH3(gas) / methanol / 1008 h / Ambient temperature 3: 5 percent / 30 min,110 deg C, 15 h, 100-102 deg C View Scheme

1: 64 percent / NaOMe, NH3(gas) / methanol / 1008 h / Ambient temperature 2: 5 percent / 30 min,110 deg C, 15 h, 100-102 deg C View Scheme

1: 15 mg / HCl / 96 h 2: 5 percent / 30 min,110 deg C, 15 h, 100-102 deg C View Scheme

30 min,110 deg C, 15 h, 100-102 deg C;