1: KMnO4, Bu4NCl / CH2Cl2; H2O / 0.25 h / 0 °C 2: conc. HCl / methanol / 1 h / Heating 3: iron(III)-phenanthroline / methanol; benzene / 1 h / Ambient temperature; Irradiation View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '2037554', constants.ctx, '0')">sulfuric acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '506007', constants.ctx, '0')">acetic acid</a> <br />12&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 100 percent / bromine / hexane / 2 h / 20 &deg;C<br />2: H₂SO₄ / CH₂Cl₂ / 2 h / 20 &deg;C<br /> <br /> &nbsp;