1: 76 percent / HF / 12 h 2: 73 percent / H2NNH2, KOH / ethane-1,2-diol / 12 h / Heating 3: 95 percent / 10percent Pd/C / various solvent(s) / 2 h / Heating 4: 55 percent / DDQ / benzene / 2 h / Ambient temperature View Scheme

1: 76 percent / HF / 12 h 2: 73 percent / H2NNH2, KOH / ethane-1,2-diol / 12 h / Heating 3: 95 percent / 10percent Pd/C / various solvent(s) / 2 h / Heating View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587189', constants.ctx, '0')">hydrogen</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11323294', constants.ctx, '0')">platinum(IV) oxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506104', constants.ctx, '0')">ethyl acetate</a> <br />P=1034.3&nbsp;Torr;&nbsp;2&nbsp;h;&nbsp;<br /> &nbsp;