sodium tetrahydroborate in ethanol 1.)2 h, 0-5 deg C, 2.) 12 h, 25 deg C;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4267587', constants.ctx, '0')">potassium carbonate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=20&deg;C;&nbsp;8&nbsp;h;&nbsp;<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '773683', constants.ctx, '0')">dimethyl selenoxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '969212', constants.ctx, '0')">benzene</a> <br />6&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 3 h / |Irradiation; |Reflux<br />2: water / 2 h / |Reflux<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: hydrogenchloride / water / 4 h / 90 &deg;C<br />2: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 3 h / |Irradiation; |Reflux<br />3: water / 2 h / |Reflux<br /> <br /> &nbsp;

&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;