1: 53 percent / H2 / Raney Ni / ethanol / 2844.3 Torr 2: triethylamine / CHCl3 / 0.25 h / Ambient temperature View Scheme

1: 83 percent / 20percent K2CO3 / CHCl3 / 3 h / Ambient temperature 2: 82 percent / phosphorus oxychloride / acetonitrile / 2 h / Heating 3: 85 percent / decalin / 10percent Pd/C / 15 h / Heating 4: 53 percent / H2 / Raney Ni / ethanol / 2844.3 Torr 5: triethylamine / CHCl3 / 0.25 h / Ambient temperature View Scheme

1: 83 percent / 20percent K2CO3 / CHCl3 / 3 h / Ambient temperature 2: 82 percent / phosphorus oxychloride / acetonitrile / 2 h / Heating 3: 85 percent / decalin / 10percent Pd/C / 15 h / Heating 4: 53 percent / H2 / Raney Ni / ethanol / 2844.3 Torr 5: triethylamine / CHCl3 / 0.25 h / Ambient temperature View Scheme

triethylamine in chloroform 0.25 h; Ambient temperature;