in further solvent(s) N2-atmosphere; slight excess Mn-complex, stirring at 140°C for 21h; cooling, collection (filtration), washing (hexane), dissoln. in CH2Cl2, filtration, evapn., repeated extn. with pyridine, washing (CH2Cl2), drying (0.01 Torr, 220°C, 2.5 h); elem. anal.;

in further solvent(s) for 8 h at 120°C in chloronaphthalene;

in solid byproducts: N2; heating, 250 ° C, 5h, 1E-3 to 1E-5 Torr; chromy. (Al2O3, CH2Cl2, 30percent EtOH-C6H6), recrystn. (C6H6-hexane), drying (150 ° C, vac.), elem. anal.;

in 2-methyl tetrahydrofuran other Radiation; photoredn. of the Mn(III) complex in MeTHF by (60)Co γ-irradiation with visible light (440-750 nm) at 25°C; not isolated; detn. by UV/VIS spectral change;