Fe in ethanol; dichloromethane refluxing FeCl2*4H2O in ethanol with iron filings; filtration into a stirred soln. of ligand in ethanol/CH2Cl2; slowly reducing of solvent volume (vac., 0°C); filtration; washing (ethanol); drying in vac.; elem. anal.;

1: tetrahydrofuran / 12 h / 60 °C / |Inert atmosphere 2: ethanol / 12 h / |Reflux; |Inert atmosphere View Scheme