Spectroscopic studies of methimazole reactivity toward the aquapentacyanoferrate(II) ion in aqueous solutions

Cvijanović, D.; Damjanović, V.; Picek, I.; Foretić, B.

doi:10.3233/978-1-61499-184-7-085

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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.

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