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Journal of Coordination Chemistry Volume 66, 2013 - Issue 3
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Synthesis, structure and thermokinetic studies on perchlorate salts of metal complexes containing a formamidine-type ligand

Berta Holló Faculty of Sciences, University of Novi Sad, Novi Sad, SerbiaCorrespondence[email protected]
,
Vladislav Jašo Faculty of Technology, University of Novi Sad, Novi Sad, Serbia
,
Vukadin M. Leovac Faculty of Sciences, University of Novi Sad, Novi Sad, Serbia
,
Vladimir Divjaković Faculty of Sciences, University of Novi Sad, Novi Sad, Serbia
,
Attila Kovács European Commission, Joint Research Center, Institute for Transuranium Elements, Karlsruhe, Germany; Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Budapest, Hungary
&
Katalin Mészáros Szécsényi Faculty of Sciences, University of Novi Sad, Novi Sad, Serbia
Pages 453-463 | Received 09 Jul 2012, Accepted 19 Oct 2012, Published online: 29 Jan 2013
 
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Abstract

Two formamidine-type transition metal complexes of N,N′-bis(4-acetyl-5-methylpyrazol-3-yl)formamidine (ampf) have been synthesized by a template reaction in methanolic solution of the corresponding metal perchlorates and 4-acetyl-3-amino-5-methylpyrazole (aamp) precursor in the presence of triethyl orthoformate. Compounds of composition [M(ampf)(H2O)3](ClO4)2·H2O (M = CoII, NiII) have been formed. The crystal and molecular structures of the compounds have been determined by X-ray crystallography. The complexes were characterized by IR spectroscopy. The thermal stability and the decomposition kinetics of the two potential explosives were determined by thermal methods.

Acknowledgments

The work was financed by the Ministry of Education and Science, Republic of Serbia (Grant Nos. 172014 and III45022). V.M. Leovac and K. Mészáros Szécsényi thank Secretary for Science and Technological Development, Autonomous Province of Vojvodina, Republic of Serbia for support and KMSz also for mobility (No. 451-02011/2007-02) and the CEEPUS III Program (CIII-CZ-0212-05-1112). The authors thank Dr. Branislav Jović for recording the IR spectra.

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