sulfuric acid; nitric acid

CuI in water High Pressure; a mixt. of CuI, CuBr2, phenanthroline and H2O in a molar ratio 1:2:1.5:400 was stirred and heated at 160°C for 4 days under autogenous pressure; crystals were filtered, washed with distilled water and dried in air at ambient temp.; elem. anal.;

1: ethanol View Scheme

1: 98 percent / industrial bleach (pH 8.2-8.3 with conc. HCl) / tetrabutylammonium hydrogen sulphate / H2O; CHCl3 2: 98 percent / 1a) basic alumina / 1a) CH2Cl2, 10 min, (adsorption), 1b) CH2Cl2, 5.5 h, 2) MeOH, 4 h, (desorption) 3: 70 percent / Attenburrow activated manganese dioxide / CHCl3 / other oxidants: i.e. dichlorodicyanobenzoquinone; nickel peroxide 4: boron trifluoride etherate / CH2Cl2 View Scheme

View Scheme

in benzene benzene soln. of ligand added with stirring to benzene soln. of Pd compd. (1:1 molar ratio), mixt. stirred at room temp. for 30 min; ppt. filtered off, concd., pptd. (heptane), dried, elem. anal.;

Yield given. Multistep reaction;

in ethanol soln. of 1,10-phenanthroline monohydrate in EtOH added to soln. of ZnCl2in EtOH; after 0.5 h ppt. filtered off; washed (EtOH); dried at room temp. for 0.5 h; elem. anal.;

hydrogenchloride in ethanol; water addn. of concd. HCl to an aq. PdCl2 soln., filtration of the soln. and addn. of a soln of 1,10-phenanthroloine*H2O in ethanol to the filtered soln.; stirring for 2 h, filtering the ppt., washing with ethanol and drying in vacuo, elem. anal.;

HCl in water Electrochem. Process; electrolysis of Pd-foil at 3 V for 60 min; HCl containing phenanthroline as electrolyte; filtn., elem. anal.;