Metal–heterocyclic thione interactions.

Lobana, Tarlok S.; Verma, Rajanshu; Hundal, Geeta; Castiñeiras, Alfonso

doi:10.1016/s0277-5387(00)00329-6

Cited by 52 publications

(36 citation statements)

References 43 publications

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“…The Se-C bonds in 2, in the range of 1.85-1.88 Å, are slightly lengthened relative to those in uncoordinated dmise (1.89 Å) 32. Substantial shifting of the C=S/C=Se resonances of the dmit, dmise, Bmm Me , Bsem Me carbon atoms are observed upon copper complexation relative to the free ligands.Coordination of the thiones and selones via the sulfur and selenium atoms results in upfield shifts of δ 5-8 ppm for both the C=S and C=Se carbons, in agreement with previous reports 34,42. The dinuclear copper complexes were characterized by 1 H, 13 C{ 1 H}, 77 Se{ 1 H}, and 19 F{ 1 H} NMR spectroscopy.…”

supporting

confidence: 90%

Dinuclear copper(i) complexes with N-heterocyclic thione and selone ligands: synthesis, characterization, and electrochemical studies

et al. 2015

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The synthesis, characterization, and structures of a series of homoleptic and heteroleptic copper(I) complexes supported by N-heterocyclic chalcogenone ligands is reported herein. The quasi-reversible Cu(II/I) reduction potentials of these copper complexes with monodentate (dmit or dmise) and/or bidentate (Bmm(Me), Bsem(Me), Bme(Me), Bsee(Me)) chalcogenone ligands are highly dependent upon the nature and number of the donor groups and can be tuned over a 470 mV range (-369 to 102 mV). Copper-selone complexes have more negative Cu(II/I) reduction potentials relative to their thione analogs by an average of 137 mV, and increasing the number of methylene units linking the heterocyclic rings in the bidentate ligands results in more negative reduction potentials for their copper complexes. This ability to tune the copper reduction potentials over a wide range has potential applications in synthetic and industrial catalysis as well as the understanding of important biological processes such as electron transfer in blue copper proteins and respiration.

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confidence: 90%

Dinuclear copper(i) complexes with N-heterocyclic thione and selone ligands: synthesis, characterization, and electrochemical studies

et al. 2015

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“…IR (CH 2 Cl 2 ): m CO = 1951 cm À1 . 1 H NMR (C 6 D 6 ): 4.80 (s, 5H, Cp), 6.45 (m, 1H, C 5 NH 4 ), 6.77 (m, 2H, C 5 NH 4 ), 6.99 (m, 9H, PPh 3 ), 7.62 (m, 6H, PPh 3 ), 8.43 (m, 1H, C 5 NH 4 ). 31 …”

Section: Cpru(pph 3 )(Co)(j 1 S-spy) (3a)mentioning

confidence: 99%

“…The interaction of such ligands with heavy metals, such as gold and platinum, is of special interest because of their antitumor properties with the potential to develop metal-based drugs. To this end, some papers involving platinum (II or IV) and gold (I) complexes of these ligands with tertiary phosphines as co-lignads have been reported in the literature [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Pyridine- and pyrimidine-2-thiolate complexes of ruthenium

El‐khateeb

Damer

Görls

et al. 2007

Journal of Organometallic Chemistry

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“…The complexes of palladium(II) and platinum(II) are particularly important in this regard since some of them are known to exhibit antimicrobial and antitumor activities [27][28][29][30]. Structural studies on Pd(II)-thione complexes reveal that thiones can bind through sulfur [22,23,31,32] or they can act as S, N-chelating ligands [33][34][35][36]. However, in all known cases, the central palladium atom possesses a square-planar geometry.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, characterization and antibacterial activity of palladium(II) bromide complexes of thioamides; X-ray structure of [Pd(tetramethylthiourea)4]Br2

Nadeem

Rauf

Bolte

et al. 2010

Transition Met Chem

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Palladium(II) bromide complexes of thioamides having the general formulae [PdL 2 Br 2 ] and [PdL 4 ]Br 2where L = Thiourea (Tu), Methylthiourea (Metu), Dimethylthiourea (Dmtu), Tetramethylthiourea (Tmtu), Imidazolidine-2-thione (Imt), Mercaptopyridine (Mpy), Mercaptopyrimidine (Mpm) and Thionicotinamide (Tna) were prepared by reacting K 2 [PdCl 4 ] with KBr and the corresponding thioamides. The complexes were characterized by elemental analysis, IR and NMR spectroscopy, and one of them, [Pd(Tmtu) 4 ]Br 2 (1) by X-ray crystallography. The crystal structure of 1 shows a square-planar coordination environment around the Pd(II) atoms with the average cis and trans S-Pd-S bond angles of 90.0°and 180.0°, respectively. The synthesized complexes were screened for antibacterial effects, and the results showed that the complexes exhibit significant activities against both gram positive and gram negative bacteria.

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Metal–heterocyclic thione interactions.

Cited by 52 publications

References 43 publications

Dinuclear copper(i) complexes with N-heterocyclic thione and selone ligands: synthesis, characterization, and electrochemical studies

Dinuclear copper(i) complexes with N-heterocyclic thione and selone ligands: synthesis, characterization, and electrochemical studies

Pyridine- and pyrimidine-2-thiolate complexes of ruthenium

Synthesis, characterization and antibacterial activity of palladium(II) bromide complexes of thioamides; X-ray structure of [Pd(tetramethylthiourea)4]Br2

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