1: hydrogenchloride / water; methanol / 4 h / 20 - 50 °C 2: N,N-dimethyl-aniline / toluene / 7 h / 20 °C / Cooling with ice; Reflux 3: dibenzoyl peroxide; N-bromosuccinmide / tetrachloromethane / 6 h / 77 °C View Scheme

1: hydrogenchloride / water; methanol / 4 h / 20 - 50 °C 2: N,N-dimethyl-aniline / toluene / 7 h / 20 °C / Cooling with ice; Reflux View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />2&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1812100', constants.ctx, '0')">trifluorormethanesulfonic acid</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3693590', constants.ctx, '0')">Tl(Oac)3</a> <br />T=60&deg;C;&nbsp;0.333333&nbsp;h;&nbsp;<br />Stage #2: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />0.166667&nbsp;h;&nbsp;&nbsp;Further stages.;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209246', constants.ctx, '0')">formic acid</a> <br /> <br /> &nbsp;