[Acid-base equilibrium of D-(--)-alpha-aminophenylacetic acid].
Potentiometric titration was performed and the ioniziation macroconstants of D-(--)-alpha-aminophenylacetic acid and its methyl ether were determined. The constants were used for estimation of 4 microconstants of D-(--)-alpha-aminophenylacetic acid and the constants of the tautomeric equilibrium of the zwitter-ionic and neutral forms of the amino acid. Minimum solubility of D-(--)-alpha-aminophenylacetic acid was determined and pH-dependence of its solubility was estimated.
D000136:Acid-Base Equilibrium; D005998:Glycine / Q000031:analogs & derivatives* / Q000494:pharmacology; D007477:Ions; D008433:Mathematics; D011199:Potentiometry
D007477:Ions; D005998:Glycine
Kislotno-osnovnoe ravnovesie D-(--)-al'fa-aminofeniluksusnoĭ kisloty