1: (i) SOCl2, Py, (ii) AlCl3 2: N2H4, KOH / bis-(2-hydroxy-ethyl) ether 3: Pd-C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '878137', constants.ctx, '0')">hydrazine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '969209', constants.ctx, '0')">diethylene glycol</a> <br /> <br /> &nbsp;