triethylamine 144 h;

1: 6.6 g / K2CO3 / acetonitrile / 72 h / Ambient temperature 2: sodium borohydride / methanol 3: 1.05 g / H2, conc. aq. HCl, glacial acetic acid / 5 percent Pd/C View Scheme

1: Et3N / 144 h 2: Na, liq. NH3 View Scheme

potassium carbonate in acetonitrile 72 h; Ambient temperature;