Distribution of certain 8-quinolinols and their copper(II) chelates in a series of organic solvent--aqueous pairs.

The partition coefficients of 8-quinolinol and the 2- and 4-methyl analogues and their copper(II) chelates between water and a number of common water-immiscible solvents are reported. An attempt is made to relate the values with the dielectric constant, solubility parameter and mutual solubility of the organic and aqueous phases.