potassium carbonate in methanol; diethyl ether 2 h;

Stage #1: <a href="#" onclick="return RXDsubstances(event, this, '1855309', constants.ctx, '0')">1-bromo-2-iodo-benzene</a>; <a href="#" onclick="return RXDsubstances(event, this, '906752', constants.ctx, '0')">trimethylsilylacetylene</a> <b>With</b>&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>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11323889', constants.ctx, '0')">bis-triphenylphosphine-palladium(II) chloride</a> <br />alkynylation;&nbsp;<br />Stage #2: <a href="#" onclick="return RXDsubstances(event, this, '3536241', constants.ctx, '0')">(Tri-iso-propylsilyl)acetylene</a> <b>With</b>&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>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11323889', constants.ctx, '0')">bis-triphenylphosphine-palladium(II) chloride</a> <br />alkynylation;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: PdCl₂(PPh₃)2; CuI; Et₃N / 50 &deg;C<br />2: 82 percent / PdCl₂(PPh₃)2; CuI; Et₃N / 120 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: PdCl₂(PPh₃)2; CuI; Et₃N / 50 &deg;C<br />2: 82 percent / PdCl₂(PPh₃)2; CuI; Et₃N / 120 &deg;C<br /> <br /> &nbsp;