1: With sulfuric acid T=20°C; 24 h; 2: With ammonium hydroxide in water Cooling with ice;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4153970', constants.ctx, '0')">sodium hydrogencarbonate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br /> <br /> &nbsp;