1: 0.331 g / triphenylphosphine / bis(triphenylphosphine)palladium(II) chloride; copper(I) iodide / tetrahydrofuran; triethylamine / 24 h / 50 °C 2: 98 percent / pyridinium chlorochromate; celite / CH2Cl2 / 12 h / 20 °C 3: potassium fluoride / dimethylformamide / 48 h / 60 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103853', constants.ctx, '0')">1H-imidazole</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />1&nbsp;h;&nbsp;<br /> &nbsp;