in dichloromethane (Ar); soln. of Ru complex and Fe complex in CH2Cl2 was refluxed for 3 h; solvent removed; chromd. (silica gel, CH2Cl2 or CH2Cl2/EtOAc); recrystd.(CH2Cl2/hexane); elem. anal.;

in dichloromethane (Ar); soln. of Ru complex and Fe complex in CH2Cl2 was refluxed for 3 h; solvent removed; chromd. (silica gel, CH2Cl2 or CH2Cl2/EtOAc); elem. anal.;

in dichloromethane (Ar); soln. of Ru complex and Fe complex in CH2Cl2 was refluxed for 3 h; solvent removed; chromd. (silica gel, CH2Cl2 or CH2Cl2/EtOAc); recrystd.(CH2Cl2/hexane); elem. anal.;