1.1: ethylmagnesium bromide / tetrahydrofuran / 0.5 h / 40 °C 1.2: 23 - 25 °C 2.1: iodine cloride / 23 - 25 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11323889', constants.ctx, '0')">bis-triphenylphosphine-palladium(II) chloride</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11405916', constants.ctx, '0')">copper(l) iodide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a> <br />T=80&deg;C;&nbsp;Sonogashira Cross-Coupling;&nbsp;18&nbsp;h;&nbsp;&nbsp;Sealed tubeInert atmosphere;&nbsp;<br /> &nbsp;