HYDRAZONES DERIVED FROM DITHIAMONOAZA AND TETRATHIAMONOAZA ANALOGS OFPOLYETHERS AS SILVER ION-SELECTIVE IONOPHORES - SYNTHESES, PROTON-DISSOCIATION BEHAVIORS, AND METAL-ION COMPLEXING PROPERTIES IN 1,4-DIOXANE-WATER ACIDIC SOLUTION
J. Ishikawa et al., HYDRAZONES DERIVED FROM DITHIAMONOAZA AND TETRATHIAMONOAZA ANALOGS OFPOLYETHERS AS SILVER ION-SELECTIVE IONOPHORES - SYNTHESES, PROTON-DISSOCIATION BEHAVIORS, AND METAL-ION COMPLEXING PROPERTIES IN 1,4-DIOXANE-WATER ACIDIC SOLUTION, Bulletin of the Chemical Society of Japan, 68(11), 1995, pp. 3071-3076
Cyclic and acyclic dithiamonoaza, tetrathiamonoaza, and tetrathiadiaza
analogs of polyethers bearing a hydrazone moiety on nitrogen atom(s)
were synthesized. Their acidity constants in 1,4-dioxane-water solutio
n and stability constants of hydrazones derived from dithiamonoaza and
tetrathiamonoaza analogs of polyethers for some heavy metal ions in s
ame acidic media were measured spectrophotometrically. Hydrazones of c
yclic and acyclic tetrathiamonoaza series had highly Ag+-selective com
plexability.