in water; acetonitrile 20 h; Irradiation;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: Et₂Zn / CH₂Cl₂; hexane / 0.5 h / 0 &deg;C<br />1.2: 96 percent / Et₂Zn / CH₂Cl₂; hexane / 0 - 20 &deg;C<br />2.1: 96 percent / Et₃N; 4-dimethylaminopyridine / CH₂Cl₂ / 0 - 20 &deg;C<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '110354', constants.ctx, '0')">4-(N,N-dimethlyamino)pyridine</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0 - 20&deg;C;&nbsp;<br /> &nbsp;