triethylamine; sodium iodide in N,N-dimethyl-formamide 60 h; Ambient temperature;

1: 65 percent / Na2CO3, KI / various solvent(s) / 28 h / 160 °C 2: 93 percent / H2 / Raney Ni / ethanol; tetrahydrofuran / 1 h / Ambient temperature 3: 90 percent / Et3N / CH2Cl2 / 0.5 h / 0 °C 4: 96 percent / 10percent NaOH / 8 h / Heating 5: 60 percent / Et3N, NaI / dimethylformamide / 60 h / Ambient temperature View Scheme

1: 93 percent / H2 / Raney Ni / ethanol; tetrahydrofuran / 1 h / Ambient temperature 2: 90 percent / Et3N / CH2Cl2 / 0.5 h / 0 °C 3: 96 percent / 10percent NaOH / 8 h / Heating 4: 60 percent / Et3N, NaI / dimethylformamide / 60 h / Ambient temperature View Scheme

1: 65 percent / Na2CO3, KI / various solvent(s) / 28 h / 160 °C 2: 93 percent / H2 / Raney Ni / ethanol; tetrahydrofuran / 1 h / Ambient temperature 3: 90 percent / Et3N / CH2Cl2 / 0.5 h / 0 °C 4: 96 percent / 10percent NaOH / 8 h / Heating 5: 60 percent / Et3N, NaI / dimethylformamide / 60 h / Ambient temperature View Scheme

1: 90 percent / Et3N / CH2Cl2 / 0.5 h / 0 °C 2: 96 percent / 10percent NaOH / 8 h / Heating 3: 60 percent / Et3N, NaI / dimethylformamide / 60 h / Ambient temperature View Scheme

1: 96 percent / 10percent NaOH / 8 h / Heating 2: 60 percent / Et3N, NaI / dimethylformamide / 60 h / Ambient temperature View Scheme