n-butyllithium in tetrahydrofuran T=-78°C;

1.) butyllithium 2.) methanol; Yield given. Multistep reaction;

1.) butyllithium; Yield given. Multistep reaction;

1.) butyllithium 2.) I2; Yield given. Multistep reaction;

n-butyllithium in toluene T=-78°C; 4.5 h; Mechanism;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587193', constants.ctx, '0')">bromine</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '4122945', constants.ctx, '0')">iron</a> <br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '13161656', constants.ctx, '0')">aluminum tri-bromide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587193', constants.ctx, '0')">bromine</a> <br />3&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;