1: 81 percent / ethyl acetate / RT, 1 h; 40 deg C, 1 h; reflux, 2 h 2: 31 percent / potassium hydroxide / ethanol / 24 h / Heating View Scheme

1: 81 percent / ethyl acetate / RT, 1 h; 40 deg C, 1 h; reflux, 2 h 2: 76 percent / lithium aluminum hydride / tetrahydrofuran / 3 h / Heating View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '19253605', constants.ctx, '0')">4 A molecular sieve</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '2349612', constants.ctx, '0')">boron trifluoride diethyl etherate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '969212', constants.ctx, '0')">benzene</a> <br />67&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;