1: With potassium hydroxide in methanol Inert atmosphere; 2: T=250 - 280°C; Inert atmosphere;

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3570983', constants.ctx, '0')">tetrabutylammomium bromide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '8128138', constants.ctx, '0')">potassium hydroxide</a> <br />T=4 - 10&deg;C;&nbsp;<br />Stage #2: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1696894', constants.ctx, '0')">diethyl ether</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br /> <br /> &nbsp;