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Kinetic and polarographic study on atropine N-oxide: its obtaining and polarographic reduction

Liliya Dubenska, Olha Dushna, Mykola Blazheyevskiy, Solomiya Pysarevska, and Iryna Klymiuk

Department of Analytical Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine



Received: 6 February 2021  Accepted: 1 April 2021


The work presents the obtaining of atropine N-oxide using various peroxyacids (organic monoperoxyacid, diperoxyacids and inorganic peroxyacids). The kinetics of atropine oxidation with various oxidants, for example Oxone, m-chloroperoxybenzoic acid, diperoxysebasic acid and diperoxyazelaic acid, was studied. The optimal conditions for obtaining of atropine N-oxide (oxidation duration, pH) are given in the work. It was established that the best oxidant was potassium peroxymonosulfate, since 100% yield of atropine N-oxide was achieved within 15 min. In this work, we showed that the oxidation reaction of atropine to N-oxide was a second-order reaction. The rate constants of these reactions were established. The electrochemical behavior of atropine N-oxide obtained using potassium peroxymonosulfate and m-chloroperoxybenzoic acid on a mercury dropping electrode was investigated. Atropine N-oxide was reduced forming two peaks. Each reduction peak involved 1 electron and 1 proton.

Keywords: Atropine; N-oxide; Peroxyacid; Kinetics; Electrochemistry

Full paper is available at

DOI: 10.1007/s11696-021-01638-3


Chemical Papers 75 (8) 4147–4155 (2021)

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