作者:S. O. Bondareva、Yu. L. Murinov、L. V. Spirikhin
DOI:10.1023/a:1009519924735
日期:——
The protonation constants for the products of condensation of 2-ethylhexanoic acid with diethylenetriamine or triethylenetetramine were determined by potentiometric titration. The sequence of protonation of the nitrogen atoms in the imidazoline ring was found from the UV, IR, and C-13 NMR spectra.