Differential Pulse Polographic Study of mercury Complexes with Some Benzo-Substituted macrocyclic Diamides in Binary Nitromethane+Dimethylformamide Mixtures

• Autorzy: Shamsipur M. , Fakbari A. R. , Sharghi H. , Eshghi H. , Ganjali M. R.
• Języki publikacji: EN

Abstrakty

EN

The complex formation of Hg2+ ion with five recently synthesized benzo-substituted macrocyclic diamides in binary nitromethane + dimethylformamide mixtures was studied by differential pulse polarography at 25_C. The stoichiometry and stability of the complexes were determined by monitoring the shift in the Hg2+ differential pulse peak potential against the macrocycles concentration. In all cases studied, it was found that the stability of the resulting 1:1 complex decreases drastically by increasing the amount of dimethylformamide in the binary mixtures. The observed stability order in a given solvent mixture is discussed in terms of the cavity size, structural flexibility and nature of the substituted on the macrocyclic diamide ring.

Słowa kluczowe

EN

benzo-substituted nmacrocyclic diamide; mercury; polography; mixed solvents

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2002
• Tom: Vol. 76 / nr 12
• Strony: 1665--1671
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Shamsipur M.

• Department of Chemistry, Razi University, Kermanshah, Iran

autor

Fakbari A. R.

• Department of Chemistry, Shahid Beheshti University, Tehran, Iran

autor

Sharghi H.

• Department of Chemistry, Shiraz University, Shiraz, Iran

autor

Eshghi H.

• Department of Chemistry, Sistan-Baloochestan University, Zahedan, Iran

autor

Ganjali M. R.

• Department of Chemistry, Tehran University, Tehran P.O. Box 14155-6455, Iran

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