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Thermal decomposition of new chlorido(p-cymene) ruthenium(II) complexes containing N-alkylphenothiazines

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Abstract

The thermal decomposition of [RuCl2(η6-p-cymene)]2 (1) and its biologically active N-alkylphenothiazine compounds of composition L[RuCl3(η6-p-cymene)] where L = CPH+ (2), TFH+·HCl (3), and TRH+ (4) (chlorpromazine hydrochloride, CP·HCl; trifluoperazine dihydrochloride, TF·2HCl; and thioridazine hydrochloride, TR·HCl, respectively) has been studied. The crystal and molecular structure of compound 3 was determined earlier by single crystal X-ray diffraction analysis. The thermal data were collected by simultaneous TG/DSC measurements. For evolved gas detection, the qualitative reaction of chlorides with AgNO3 in an acidic solution was applied. The measurements were carried out in the temperature range to 700 °C in nitrogen atmosphere. Compounds of L[RuCl3(η6-p-cymene)] crystallize with water or water/2-propanole. On the basis of thermal data, the trend in the solvent bonding energies was assessed.

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Acknowledgements

The study was financed by the Ministry of Science and Technological Development of the Republic of Serbia (Grant No. 172014). K. Mészáros Szécsényi thanks Secretariat for Science and Technological Development, Autonomous Province of Vojvodina, Republic of Serbia (No. 114-451-02011/2007-02) and the CEEPUS II program (CII-CZ-0212-04-1011) for the financial support.

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Authors and Affiliations

  1. Faculty of Science, University of Novi Sad, Trg Dositeja Obradovića 3, 21000, Novi Sad, Serbia

    Berta Holló & Katalin Mészáros Szécsényi

  2. Faculty of Veterinary Medicine, University of Belgrade, Bulevar Oslobođenja 18, 11000, Belgrade, Serbia

    Milena Krstić

  3. Faculty of Chemistry, University of Belgrade, P.O. Box 118, 11158, Belgrade, Serbia

    Sofija P. Sovilj

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  1. Berta Holló
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  2. Milena Krstić
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  3. Sofija P. Sovilj
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  4. Katalin Mészáros Szécsényi
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Correspondence to Katalin Mészáros Szécsényi.

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Holló, B., Krstić, M., Sovilj, S.P. et al. Thermal decomposition of new chlorido(p-cymene) ruthenium(II) complexes containing N-alkylphenothiazines. J Therm Anal Calorim 111, 1927–1932 (2013). https://doi.org/10.1007/s10973-011-1969-8

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