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Title: Reaction of a 3-aryilidene-2-thiohydantoin derivative with polymeric trans-[CuCl<inf>2</inf>(DMSO)<inf>2</inf>]<inf>n</inf> complex: Unexpected isomerization to dinuclear cis-[{CuCl(DMSO)<inf>2</inf>}(μ-Cl)]<inf>2</inf>
Authors: Stanić P.
Rodic, Marko
V. Soldatovic, Tanja
Pavic A.
Radakovic N.
Šmit, Biljana
Zivkovic, Marija
Issue Date: 2020
Abstract: © 2020 Serbian Chemical Society. All rights reserved. The 3-arylidene-2-thiohydantoin derivative, 3-[(2-hydroxybenzyl-idene)amino]-2-thioxoimidazolidin-4-one, was synthesized in a two-step condensation reaction of 2-hydroxybenzaldehyde, thiosemicarbazide and ethyl chloroacetate. The ligand was structurally characterized by NMR and IR spectroscopy, as well as by elemental analysis. In the reaction of the well-known polymeric trans-[CuCl2(DMSO)2]n complex with the polydentate thiohydantoin type ligand, instead of the corresponding copper thiohydantoin complex, unexpectedly, the dinuclear cis-[{CuCl(DMSO)2}(μ-Cl)]2 complex (1) was formed predominantly as the final stable product. The structure of the complex 1 was confirmed by single crystal X-ray diffraction analysis. The cis-complex is obtained through assisted isomerization of the trans-form, in which the thiohydantoin derivative has a crucial role.
Type: article
DOI: 10.2298/JSC200917060S
ISSN: 0352-5139
SCOPUS: 2-s2.0-85098635360
Appears in Collections:Faculty of Medical Sciences, Kragujevac
Institute for Information Technologies, Kragujevac

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