1: sodium hydride / dimethylformamide 2: lithium aluminium hydride / diethyl ether / Ambient temperature 3: pyridinium p-toluenesulphonate / H2O; pyridine / Ambient temperature 4: pyridine 5: mercuric chloride-mercuric oxide 6: H2 / 10percent Pd/C / acetic acid / 48 h View Scheme

1: sodium hydride / dimethylformamide 2: lithium aluminium hydride / diethyl ether / Ambient temperature 3: pyridinium p-toluenesulphonate / H2O; pyridine / Ambient temperature 4: pyridine 5: mercuric chloride-mercuric oxide 6: H2 / 10percent Pd/C / acetic acid / 48 h View Scheme

1: sodium hydride / dimethylformamide 2: lithium aluminium hydride / diethyl ether / Ambient temperature 3: pyridinium p-toluenesulphonate / H2O; pyridine / Ambient temperature 4: pyridine 5: mercuric chloride-mercuric oxide 6: H2 / 10percent Pd/C / acetic acid / 48 h View Scheme

1: sodium hydride / dimethylformamide 2: lithium aluminium hydride / diethyl ether / Ambient temperature 3: pyridinium p-toluenesulphonate / H2O; pyridine / Ambient temperature 4: pyridine 5: mercuric chloride-mercuric oxide 6: H2 / 10percent Pd/C / acetic acid / 48 h View Scheme

1: sodium hydride / dimethylformamide 2: lithium aluminium hydride / diethyl ether / Ambient temperature 3: pyridinium p-toluenesulphonate / H2O; pyridine / Ambient temperature 4: pyridine 5: mercuric chloride-mercuric oxide 6: sodium hydride / dimethylformamide 7: potassium tert-butoxide / dimethylsulfoxide / Ambient temperature View Scheme