1: 37 percent / Et3N, pyridine / 1.) 70 deg C, 1 h, 2.) reflux, 3 h 2: mCPBA / CH2Cl2 3: 48 percent / HNO3, Ac2O / 2 h / 0 °C View Scheme

pyridine; triethylamine 1.) 70 deg C, 1 h, 2.) reflux, 3 h;

1: 60 percent / Et3N, pyridine / 1.) 70 deg C, 1 h, 2.) reflux, 3 h 2: 86 percent / Cu, quinoline / 5 h / Heating View Scheme

1: 37 percent / Et3N, pyridine / 1.) 70 deg C, 1 h, 2.) reflux, 3 h 2: mCPBA / CH2Cl2 View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '956581', constants.ctx, '0')">trichlorophosphate</a> <br />&nbsp;1.) 1,2-dichloroethane, RT, 30 min, 2.) 1,2-dichloroethane, reflux, 10 h;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;