in ethanol T=60°C; 5 h; Reflux;

in methanol 3 h; Heating / reflux;

in benzonitrile addn. of zinc compd. to benzonitrile soln. of hydroxyquinoline; not isolated, detected by UV;

in water hot soln., cooling (room temp.), pptn. in gel (agar agar);

in ethanol recryst. from ethanol; elem. anal.;

in methanol; water prepd. by chemical dipping method on a glass surface, aq. metal salt andmethanolic 8-hydroxyquinoline solns. prepared, substrate immersed into the metal ion soln., then into the 8-hydroxyquinoline soln., then rinsed with distd. water, cycle repeated; GC-MS;

in neat (no solvent, solid phase) Kinetics; mixing of Zn(OH)2 and C9H6NOH in 1:2 molar ratio (slight excess of C9H6NOH), crushing, placing in a tube (50 +/- 1°C, 50 h); repetition of procedure; kinetic studies by capillary method at different particle sizes and at 40, 50, 60, 70°C; washing with acetone, drying; elem. anal.;