Document Type
Article
Publication Date
8-26-2020
Abstract
The use of tetra-aza pyridinophanes is of increasing interest in the fields of bioinorganic modeling, catalysis, and imaging. However, a full study of how modifications to the pyridyl moiety affect the characteristics of the daughter metal complexes, has not been explored. In this study, six tetra-aza macrocyclic ligands were metalated with Fe(iii) and were characterized for the first time. The pyridyl functional groups studied include: 4-hydroxyl (L1), 4-H (L2), 4-chloro (L3), 4-trifluoromethyl (L4), 4-nitrile (L5), and 4-nitro (L6) modified pyridyl on a pyclen base structure. The resulting iron complexes were characterized by X-ray diffraction analysis, cyclic voltammetry, and metal-binding affinities (log β) were determined. Analysis of these results indicate that such functionalizations introduce a handle by which electrochemical properties and thermodynamic stability of daughter complexes with transition metal ions can be tuned, which in turn, could potentially impact the reactivity of these complexes in future studies.
Recommended Citation
Magy A. Mekhail, Kristof Pota, Timothy M. Schwartz, Kayla N. Green; Functionalized pyridine in pyclen-based iron(iii) complexes: evaluation of fundamental properties. RSC Adv. 2020; 10 (52): 31165–31170. https://doi.org/10.1039/d0ra05756h
Correction for ‘Functionalized pyridine in pyclen-based iron(iii) complexes: evaluation of fundamental properties’ by Magy A. Mekhail et al., RSC Adv., 2020, 10, 31165–31170. DOI: 10.1039/d0ra05756h.
Copyright
The authors
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 License
Comments
This article was originally published in RSC Advances, volume 10, issue 52, in 2020. https://doi.org/10.1039/d0ra05756h
A correction has been published: Correction: Functionalized pyridine in pyclen-based iron(iii) complexes: evaluation of fundamental properties. Please see Additional Files at the bottom of this record.