Authors:
Francisco C. C. Arantes Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Antonio C. Moro Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Iolanda S. Klein Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Cristiana da Silva Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Adelino V. G. Netto Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Antonio E. Mauro Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Vânia M. Nogueira Instituto de Química de Araraquara, UNESP—Univ Estadual Paulista, C.P. 355, Araraquara, SP, 14801-970, Brazil mauro@iq.unesp.br

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Abstract

The synthesis, spectroscopic characterization, and thermal analysis of the compounds [Pd(X)2(mtu)(PPh3)] (X = Cl (1), SCN (2); mtu = N-methylthiourea; PPh3 = triphenylphosphine) and [Pd(X)2(phtu)(PPh3)] (X = Cl (3), SCN (4); phtu = N-phenylthiourea) are described. The thermal decomposition of the compounds occurs in two, three, or four stages and the final decomposition products were identified as Pd0 by X-ray powder diffraction. The thermal stability order of the complexes is 4 > 3>2 > 1.

  • 1. Caires, ACF, Mauro, AE, Moro, AC, Legendre, AO, Ananias, SR 2006 Synthesis of [Pd(dmba)(N3)(PPh3)] and its use in catalytic processes involving the reductive N-carbonylation of nitroarenes to carbamates and in the synthesis of urea derivatives. Quím Nova 29:750754 .

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  • 2. Moro, AC, Mauro, AE, Netto, AVG, Ananias, SR, Quilles, MB, Carlos, IZ et al. 2009 Antitumor and antimycobacterial activities of cyclopalladated complexes: X-ray structure of [Pd(C2, N-dmba)(Br)(tu)] (dmba = N, N-dimethylbenzylamine, tu = thiourea). Eur J Med Chem 44:46114615 .

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  • 3. RA de Souza Stevanato, A, Treu-Filho, O, Netto, AVG, Mauro, AE, Castellano, EE, Carlos, IZ, Pavan, FR, Leite, CQF 2010 Antimycobacterial and antitumor activities of Palladium(II) complexes containing isonicotinamide (isn): X-ray structure of trans-[Pd(N3)2(isn)2]. Eur J Med Chem 45:48634868 .

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  • 4. Rocha, FV, Barra, CV, Netto, AVG, Mauro, AE, Carlos, IZ, Frem, RCG, Ananias, SR, Quilles, MB, Stevanato, A MC da Rocha 2010 3,5-Dimethyl-1-thiocarbamoylpyrazole and its Pd(II) complexes: synthesis, spectral studies and antitumor activity. Eur J Med Chem 45:16981702 .

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  • 5. Saccomando, DJ, Black, C, Cave, GWV, Lyndon, DP, Rourke, JR 2000 Chiral cyclopalladated liquid crystals from amino acids. J Organomet Chem 601:305310 .

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  • 6. Moloto, MJ, Malik, MA, O’Brien, P, Motevalli, M, Kolawole, GA 2003 Synthesis and characterization of some N-alkyl/aryl and N,N’-dialkyl/aryl thiourea cadmium(II) complexes: the single crystal X-ray structures of [CdCl2(CS(NH2)NHCH3)2]n and [CdCl2(CS(NH2)NHCH2CH3)2]. Polyhedron 22:595603 .

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  • 7. Moro, AC, Watanabe, FW, Ananias, SR, Mauro, AE, Netto, AVG, Lima, APR et al. 2006 Supramolecular assemblies of cis-palladium complexes dominated by C–H···Cl interactions. Inorg Chem Commun 9:493496 .

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  • 8. Barreiro, E, Casas, JS, Couce, MD, Gato, A, Sánchez, A, Sordo, J et al. 2008 Synthesis, structural characterization, and antiinflammatory activity of triethylphosphinegold(I) sulfanylpropenoates of the type [(AuPEt3)2xspa] [H2xspa = 3-(aryl)-2-sulfanylpropenoic acid]: an (H2O)6 cluster in the lattice of the complexes [(AuPEt3)2xspa]·3H2O. Inorg Chem 47:62626272 .

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  • 9. Legendre, AO, Mauro, AE, Ferreira, JG, Ananias, SR, Santos, RHA, Netto, AVG 2007 A 2D coordination polymer with brick-wall network topology based on the [Cu(NCS)2(pn)] monomer. Inorg Chem Commun 10:815820 .

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  • 10. Netto, AVG, Frem, RCG, Mauro, AE ET de Almeida Santana, AM J de Souza Jr et al. 2003 Self-assembly of Pd(II) pyrazolyl complexes to 1-D hydrogen-bonded coordination polymers. Inorg Chim Acta 350:252258 .

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  • 11. Mauro, AE, Santos, RHA, Gambardella, MTP, Francisco, RHP 1987 Synthesis and solid-state structural characterization of bis(thiocyanatemercury)tetracarbonyliron. Polyhedron 6:12731277 .

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  • 12. Mauro, AE, Pulcinelli, SH, Santos, RHA, Gambardella, MTP 1992 Synthesis and structural studies of bis(1,10-phenanthrolinethiocyanatemercury)tetracarbonyliron. Polyhedron 11:799803 .

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  • 13. ET de Almeida Mauro, AE, Santana, AM, Netto, AVG, Carlos, IZ 2005 Activation of mice peritoneal macrophages by palladium(II) organometallic mononuclear compounds. Quím Nova 28:405408 .

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  • 14. Mauro, AE, Caires, ACF, Santos, RHA, Gambardella, MTP 1999 Cycloaddition reaction of the azido-bridged cyclometallated complex [Pd(dmba)N3]2 with CS2. Crystal and molecular structure of di(μ,N,S-l,2,3,4-thiatriazole-5-thiolate)bis[(N,N-dimethylbenzyl-amine-C2,N)palladium(II)]. J Coord Chem 48:521528 .

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  • 15. Zukerman-Schpector, J, Castellano, EE, Mauro, AE, Roveri, MR 1986 Di-μ-bromo-bis[(pyridine)(triphenylphosphine)copper(I)]. Acta Cryst C42:302303.

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  • 16. Netto, AVG, Frem, RCG, Mauro, AE, Crespi, MS HE Zorel Jr 2007 Synthesis, spectral and thermal studies on pyrazolate-bridged palladium(II) coordination polymers. J Therm Anal Calorim 87:789792 .

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  • 17. Moro, AC, Mauro, AE, Ananias, SR, Stevanato, A, Legendre, AO 2007 Mono- and dinuclear palladium(II) compounds containing N, S donor ligands: synthesis, characterization and thermal behavior. J Therm Anal Calorim 87:721724 .

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  • 18. Bego, AM, Frem, RCG, Netto, AVG, Mauro, AE, Ananias, SR, Carlos, IZ MC da Rocha 2009 Immunomodulatory effects of palladium(II) complexes of 1,2,4-triazole on murine peritoneal macrophage. J Braz Chem Soc 20:437444 .

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  • 19. International Center of Diffraction Data. Powder diffraction file: release, New Square. 1996, PDF no. 41-1107.

  • 20. International Center of Diffraction Data. Powder diffraction file: release, New Square. 1999, PDF no. 05-0681.

  • 21. VA de Lucca Neto Mauro, AE, Caires, ACF, Ananias, SR ET de Almeida 1998 Synthesis, characterization and thermal behavior of cyclopalladated compounds of the type [Pd{C6H4CH2N(CH3)2}(μ-X)]2 (X = Cl, NCO, SCN, CN). Polyhedron 18:413417 .

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  • 22. ET de Almeida Santana, AM, Netto, AVG, Torres, C, Mauro, AE 2005 Thermal study of cyclopalladated complexes of the type [Pd2(dmba)2X2(bpe)] (X = NO3 , Cl, N3 , NCO, NCS; bpe = trans-1,2-bis(4-pyridyl)ethylene). J Therm Anal Calorim 82:361364 .

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  • 23. Netto, AVG, Takahashi, PM, Frem, RCG, Mauro, AE HE Zorel Jr 2004 Thermal decomposition of palladium(II) pyrazolyl complexes. Part I. J Anal Appl Pyrolysis 72:183189 .

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  • 24. Netto, AVG, Santana, AM, Mauro, AE, Frem, RCG ET de Almeida Crespi, MS HE Zorel Jr 2005 Thermal decomposition of palladium(II) pyrazolyl complexes. Part II. J Therm Anal Calorim 79:339342 .

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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)