water; dihydrogen peroxide in methanol T=25°C; 1 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11323889', constants.ctx, '0')">bis-triphenylphosphine-palladium(II) chloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '969212', constants.ctx, '0')">benzene</a> <br />T=60&deg;C;&nbsp;73&nbsp;h;&nbsp;<br /> &nbsp;

Stage #1: <a href="#" onclick="return RXDsubstances(event, this, '1855315', constants.ctx, '0')">1,2-Diiodobenzene</a> <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209227', constants.ctx, '0')">n-butyllithium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-78&deg;C;&nbsp;1&nbsp;h;&nbsp;&nbsp;Inert atmosphereSchlenk technique;&nbsp;<br />Stage #2: <a href="#" onclick="return RXDsubstances(event, this, '512032', constants.ctx, '0')">Chlorodiphenylphosphane</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;&nbsp;Inert atmosphereSchlenk technique;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) Li / 1.) THF, overnight, 2.) THF<br />2: 20 percent / (Ph₃P)2PdCl₂ / benzene / 73 h / 60 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1.1: dimethylsulfide borane complex / tetrahydrofuran / Inert atmosphere<br />2.1: n-butyllithium / tetrahydrofuran / 1 h / -78 &deg;C / Inert atmosphere<br />2.2: 1 h / -78 &deg;C / Inert atmosphere<br />3.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 20 &deg;C / Inert atmosphere<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: n-butyllithium / tetrahydrofuran / 1 h / -78 &deg;C / Inert atmosphere<br />1.2: 1 h / -78 &deg;C / Inert atmosphere<br />2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 20 &deg;C / Inert atmosphere<br /> <br /> &nbsp;