Authors:
Berta Holló Faculty of Science, University of Novi Sad, Trg Dositeja Obradovića 3, 21000, Novi Sad, Serbia

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Milena Krstić Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobođenja 18, 11000, Belgrade, Serbia

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Sofija P. Sovilj Faculty of Chemistry, University of Belgrade, PO Box 118, 11158, Belgrade, Serbia

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György Pokol Institute for General and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért tér 4, 1521, Budapest, Hungary

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Katalin Mészáros Szécsényi Faculty of Science, University of Novi Sad, Trg Dositeja Obradovića 3, 21000, Novi Sad, Serbia

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Abstract

Thermal decomposition of chlorpromazine hydrochloride (CP·HCl), trifluoperazine dihydrochloride (TF·2HCl) and thioridazine hydrochloride (TR·HCl), and the ruthenium complexes with dimethyl sulfoxide (dmso) of composition [RuCl2(dmso)4] and L[RuCl3(dmso)3xEtOH, L = CP·HCl, TF·2HCl or TR·HCl is described. The phenothiazines are stable to temperature range of 200–280 °C with an increasing stability order of TF·2HCl < CP·HCl < TR·HCl. The decomposition of all the compounds takes place in superposing steps. For detection of chlorides and sulfides, EGD analysis was performed. The decomposition pattern of the complexes, due to their similar structure, is similar. The thermal data unambiguously resolve the contradiction between the elemental analysis and X-ray structural data for (TF·2HCl)[RuCl3(dmso)3]Cl·EtOH. The compound crystallizes with one EtOH, evaporating in part at room temperature.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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