1: potassium tert-butoxide / tetrahydrofuran; 2-methyl-propan-2-ol / 1 h / 50 - 60 °C 2: 79 percent / pyridinium chlorochromate / CH2Cl2 / 28 °C / celite View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '113916', constants.ctx, '0')">N-bromosuccinmide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098295', constants.ctx, '0')">tetrachloromethane</a> <br />T=20&deg;C;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 67 percent / diethyl ether / 3 h / 28 &deg;C<br />2: 80 percent / NBS / CCl₄ / 20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 67 percent / diethyl ether / 3 h / 28 &deg;C<br />2: 80 percent / NBS / CCl₄ / 20 &deg;C<br /> <br /> &nbsp;