ammonium thiocyanate in acetone 1 h; Ambient temperature;

1: 63.4 percent / K2CO3 / acetone / 5 h / Heating 2: 82.9 percent / K2CO3 / aq. ethanol / 18 h / Heating 3: 89.8 percent / H2 / 5percent Pd-C / ethanol 4: 99.3 percent / CH2Cl2 / 1 h / Ambient temperature 5: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 6: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 7: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme

1: 98.6 g / NaH / dimethylformamide / 24 h / 44 - 47 °C 2: 63.4 percent / K2CO3 / acetone / 5 h / Heating 3: 82.9 percent / K2CO3 / aq. ethanol / 18 h / Heating 4: 89.8 percent / H2 / 5percent Pd-C / ethanol 5: 99.3 percent / CH2Cl2 / 1 h / Ambient temperature 6: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 7: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 8: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme

1: 89.8 percent / H2 / 5percent Pd-C / ethanol 2: 99.3 percent / CH2Cl2 / 1 h / Ambient temperature 3: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 4: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 5: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme

1: 82.9 percent / K2CO3 / aq. ethanol / 18 h / Heating 2: 89.8 percent / H2 / 5percent Pd-C / ethanol 3: 99.3 percent / CH2Cl2 / 1 h / Ambient temperature 4: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 5: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 6: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme

1: 99.3 percent / CH2Cl2 / 1 h / Ambient temperature 2: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 3: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 4: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme

1: 11.0 g / Na2CO3 / dimethylformamide / 2.5 h / Ambient temperature 2: 4.8percent aq. NaOH / benzene; dimethylformamide; H2O / 1 h / 8 °C 3: 70 percent / NH4SCN / acetone / 1 h / Ambient temperature View Scheme