in acetic acid (electrochemical oxidation);

1: With gallium(III) bromide in 1,2-dichloro-ethane T=83°C; 2 h; Inert atmosphere; 2: With sodium hydrogencarbonate in diethyl ether; water; 1,2-dichloro-ethane

indium(III) chloride; trimethylsilyl bromide in 1,2-dichloro-ethane 2 h; RefluxInert atmosphere; chemoselective reaction;

InI3; trimethylsilyl iodide in 1,2-dichloro-ethane T=83°C; 2 h; Inert atmosphere;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '472690', constants.ctx, '0')">toluene-4-sulfonic acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=120&deg;C;&nbsp;48&nbsp;h;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '472690', constants.ctx, '0')">toluene-4-sulfonic acid</a> <br />T=120&deg;C;&nbsp;48&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: (CH₃CH₂)3N / dimethylformamide<br />2: 7 percent Chromat_. / BF₃ gas / nitromethane / 1 h / -35 &deg;C<br /> <br /> &nbsp;