in toluene addition of 0.644 g (2.0 mmol) MnI(CO)5 to a solution of 0.379 g (2.01 mmol) CoCp2 in 30 ml toluene at 25°C under Ar;; CoCp2I: filtration, drying in vac.; Mn2(CO)10: evapg. filtered soln. to dryness, sublimation, detn. by IR;;

in benzene Irradiation (UV/VIS); N2 atmosphere, photolysis (200-W high-pressure Hg arc lamp, Corning cutoff filters, λ>250 nm); not isolated, IR detection;

Mn(CO)5Cl in toluene byproducts: CO, [Mn2(CO)8((C6H5)2P)Cl], (CH3)3SiCl; reaction of toluene soln. of Mn(CO)5I with equimolar amt. of ligand for1.5 h under N2; addn. of Mn(CO)5Cl; storage of soln. for 3 h at ambienttemp.; heating to 80°C for 10 min; removal of solvent in vac.; dissolving residue in CH2Cl2; TLC with petrol/chloroform;

in toluene react. of V(mes)2 and MnI(CO)5 in toluene;

in not given react. of Nb(mes)2 and MnI(CO)5;

in chloroform (N2 or Ar); 10 min; determination by NMR and IR;