1: ethanol / 165 - 175 °C 2: H2SO4 / ethanol View Scheme

1: ethanol / 160 - 170 °C 2: aq. HCl, AcOH View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '610776', constants.ctx, '0')">triphenylphosphine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=20&deg;C;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1696894', constants.ctx, '0')">diethyl ether</a> <br />0.166667&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;&nbsp;Further byproducts given;&nbsp;<br /> &nbsp;

&nbsp;(i) Zn, DMSO, (ii) /BRN= 1736782/;&nbsp;&nbsp;Multistep reaction;&nbsp;<br /> &nbsp;