Uptake of Molecular Oxygen by Co(II) Chelates with Peptides in Aqueous Solution. Part XII. Non-covalent Interactions in the Cobalt(II) - Diastereoisomeric Phenylalanyl Dipeptide Systems. Effect on Kinetics of Oxygenation

• Autorzy: Kufelnicki A. , Świątek A.
• Języki publikacji: EN

Abstrakty

EN

The interactions of Co(II) with a group of diastereoisomeric dipeptides containing a side chain with the aromatic phenyl ring have been studied in aqueous solution, both under inert atmosphere and in the presence of dioxygen. An effect of stereoselectivity has been observed in the metal promoted deprotonations, examined by glass electrode potentiometry and correlated with the results of UV/Vis spectroscopy. The kinetics of oxygenation were studied by the stopped flow method and related to the potentiometric results.

Słowa kluczowe

EN

cobalt(II); diastereoisomeric dipeptides; phenylalanine residue; dioxygen; stereoselectivity

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 5
• Strony: 981--991
• Opis fizyczny: Bibliogr. 34 poz., rys.

Twórcy

autor

Kufelnicki A.

autor

Świątek A.

• Laboratory of Physical and Biocoordination Chemistry, Faculty of Pharmacy, Medical University of Łódź, 1 Muszynski Str., 90-151 Łódź, Poland Tel.: [phone]; Fax: [phone],

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