1: TMEDA, n-BuLi / diethyl ether; hexane / 1.) room temperature, 4 h, 2.) -5 deg C, 1 h 2: NaBH4, 0.6 N NaOH / ethanol 3: HCl / dioxane / 4 h / 80 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0&deg;C;&nbsp;18&nbsp;h;&nbsp;<br /> &nbsp;