manganese(IV) oxide; alkali cetate T=80°C;

in acetic acid TPPH2 refluxed with Mn(CH3CO2)2*4H2O in glacial acetic acid (3-4 h), concd. by distn., slow addn. of water (dropwise, overnight), ppt.; filtered, washed (water), washed (methanol), concn. of washing by distn., addn. of water (dropwise, overnight), ppt., recrystn. (glacial acetic acid contg. 10 vol.-percent acetic anhydride), dried (vac. oven, 100°C);

propionic anhydride in propionic acid byproducts: acetic acid; dissolution of acetate in EtCOOH, distn. of acetic acid, addn. of propionic anhydride, refluxing (30 min.); removal of EtCOOH (distn.), acetone addn., pptn., filtration, drying (vac.); elem. anal.;

1: With [14C]-D-(-)-Mannitol; nitric acid in water T=80°C; pH=2; 2: T=700°C; 15 h; Calcination;

O2; O3 in acetic acid bubbling O2/O3 through a soln. of the Mn(II) salt in glacial acetic acidfor 15 min; addn. of H2O, pptn. upon cooling to 4°C overnight; elem. anal.;

acetic acid in acetic acid byproducts: H2O; addn. of acetic acid to Mn salt and PbO2; heating to 50-60°C with stirring; standing overnight; crystn.; filtration; washing (dry acetic acid); recrystn. (acetic acid); washing (acetic acid); drying (vac., 30°C); elem. anal.; 99.6 +/-0.4percent purity;

citric acid in neat (no solvent) aq. solns. of metal salts mixed, citric acid added, polymerized, spray pyrolized at 500 °C, calcined at 750 °C for 4 h; powder XRD;

in dichloromethane; water; N,N-dimethyl-formamide (N2); Schlenk technique; Mn salt was added to soln. of porphyrin in DMF;stirred under reflux overnight; cooled to room temp.; ice-cooled soln. of NaCl was added; filtered; dissolved in CH2Cl2; satd. soln. of NaCl wa s added; stirred (room temp., 3 h); org. layer septd.; dried (MgSO4); concd. (vac.); chromd. (silica gel, hexane/CH2Cl2, 3/1, 5percent MeOH); evapd.; dried (vac.);

acetic acid in acetic acid byproducts: H2O; addn. of acetic acid to Mn salt and PbO2; heating to 50-60°C with stirring; standing overnight; crystn.; filtration; washing (dry acetic acid); recrystn. (acetic acid); washing (acetic acid); drying (vac., 30°C); elem. anal.; 99.6 +/-0.4percent purity;

potassium permanganate; acetic anhydride; acetic acid