1: 77 percent / phosphorus pentachloride 2: 64 percent / CsF / 8 h / 250 °C 3: 25 percent Chromat. / zinc, copper / dimethylformamide; H2O / 5 h / 70 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '7054643', constants.ctx, '0')">pyridinium chlorochromate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />4&nbsp;h;&nbsp;&nbsp;Heating / reflux;&nbsp;<br /> <br /> &nbsp;