hydrogenchloride in diethyl ether T=20°C;

1.1: 139 mg / aq. HCl / diethyl ether / 20 °C 2.1: HBF4; NaNO2 / H2O / cooling 2.2: 71 percent / CH2Cl2 / 20 °C View Scheme

1.1: 139 mg / aq. HCl / diethyl ether / 20 °C 2.1: HBF4; NaNO2 / H2O / cooling 2.2: 71 percent / CH2Cl2 / 20 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1868911', constants.ctx, '0')">trimethylsilyl trifluoromethanesulfonate</a>;&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, '635760', constants.ctx, '0')">toluene</a> <br /> <br /> <br /> &nbsp;

&nbsp;Multistep reaction;&nbsp;<br /> &nbsp;