potassium hydroxide in diethyl ether; water 0.5 h; Heating; Yield given;

sodium hydroxide in tetrahydrofuran T=25°C; Title compound not separated from byproducts;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11343078', constants.ctx, '0')">sodium tetrahydroborate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102551', constants.ctx, '0')">1,4-dioxane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=20&deg;C;&nbsp;3.5&nbsp;h;&nbsp;<br /> &nbsp;