Heteroligand Copper(II), Nickel(II), and Cobalt(II) Complexes with L-Aspartic Acid and L-Threonine

The stability constants of the Cu(II), Ni(II), and Co(II) complexes with L-aspartic acid and (L1 L-threonine (L2) (1:1 and 1:2) and of the heteroligand ML1L2 complexes were determined by pH-metric titration (logβ = 16.77 ± 0.26 (Cu); 12.47 ± 0.29 (Ni); 10.52 ± 0.32 (Co)). The M(C4H8NO3)(C4H6NO 4) complexes, where M = Cu, Ni, or Co, were synthesized. The data of the IR spectra (400-4000 cm-1 and 200-500 cm1) indicate that the metal ions are coordinated by the ligands that exist in the anionic form through amino and carboxy groups. These ligands are bidentate cyclic ligands. One COOH group of the aspartate ion is not involved in coordination.

Авторы
Редакторы
-
Издательство
IAPC Nauka/Interperiodica
Номер выпуска
11
Язык
Английский
Страницы
1777-1782
Статус
Опубликовано
Подразделение
-
DOI
-
Номер
-
Том
41
Год
1996
Организации
  • 1 University of Peoples' Friendship, ul. Miklukho-Maklaya 6, Moscow 117198, Russian Federation
Ключевые слова
-
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/841/