phosphorus tribromide in benzene 1 h; Heating;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4123663', constants.ctx, '0')">diisobutylaluminium hydride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-78 - 20&deg;C;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '13132485', constants.ctx, '0')">aq. NaOH</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '13133721', constants.ctx, '0')">LiAlH₄</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '4208125', constants.ctx, '0')">magnesium sulfate</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, '1730733', constants.ctx, '0')">hexane</a> <br /> <br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: LiHMDS / diethyl ether<br />1.2: TsOH / tetrahydrofuran / 40 &deg;C<br />2.1: DIBAL / tetrahydrofuran / -78 - 20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: LiHMDS / diethyl ether<br />1.2: TsOH / tetrahydrofuran / 40 &deg;C<br />2.1: DIBAL / tetrahydrofuran / -78 - 20 &deg;C<br /> <br /> &nbsp;