1: 24 percent / 5 h / 210 °C 2: 52 percent / BBr3 / CH2Cl2 / 0.5 h / -78 - -45 °C 3: 60 percent / K2CO3, KI / acetone / 24 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 90 percent / K₂CO₃, KI / butan-2-one / 24 h / Heating<br />2: 33 percent / NaH / dimethylformamide / 4 h / 50 - 60 &deg;C<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4267587', constants.ctx, '0')">potassium carbonate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '635680', constants.ctx, '0')">acetone</a> <br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '635680', constants.ctx, '0')">acetone</a> <br /> <br /> &nbsp;