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Spectroscopic studies of methimazole reactivity toward the aquapentacyanoferrate(II) ion in aqueous solutions
Authors
D. Cvijanović, V. Damjanović, I. Picek, B. Foretić
Pages
85 - 89
DOI
10.3233/978-1-61499-184-7-085
Series
Advances in Biomedical Spectroscopy
Ebook
Volume 7: Spectroscopy of Biological Molecules
Abstract

Methimazole (2-mercapto-1-methylimidazole, MMI) and its pentacyanoferrate(II) complex have been characterized by means of UV/Vis, Raman and NMR spectroscopy. The reaction of MMI with aquapentacyanoferrate(II), [Fe(CN)5(H2O)]3−, in buffered aqueous solutions yielded the [Fe(CN)5(MMI)]3− complex. It was found that only thione tautomer of MMI coordinates to the iron(II). The exceptionally stabile and inert complex was produced.