Ar. Mustafina et al., INTERMOLECULAR INTERACTIONS OF TETRAANIONS OF MACROCYCLIC TETRARESORCINOL IN H2O-DMF SOLUTIONS, Russian chemical bulletin, 45(5), 1996, pp. 1111-1114
According to the data of pH-metric titration, macrocyclic tetraresorci
nol (1c) dissociates stepwise with the abstraction of one, two, and fo
ur protons. Aggregation of tetraanions of 1c in H2O-DMF solutions was
detected by conductometry. The degree of aggregation increases as the
size of the counterion decreases and the content of DMF in the solvent
mixture increases.