1: CF3SO3H-H2O (1:1; 10 equiv.) / Heating 2: NiCl2*6H2O; NaBH4 View Scheme

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br /> <br /> &nbsp;