Syntheses and thermal properties of some complexes with 2-mercaptonicotinic acid

Yang, Qi; Chen, S.; Gao, Shengli

doi:10.1007/s10973-007-8245-y

Cited by 8 publications

(8 citation statements)

References 20 publications

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“…The 1 H and 13 C NMR spectra of bis(pyridine-3-carboxy-2-thiolato-S)mercury(II), Hg(Hmna) 2 in DMSO-d 6 solution are similar to the spectra of the ligand molecule in the thiol form, which corroborates that the ligand in the mercury complex is in the thiol rather than in the thione form. The NMR data display that both a number of hydrogen and carbon atoms in complex are sensitive to mercury binding.…”

Section: 1mentioning

confidence: 52%

“…9,37,38 IR, Raman and NMR spectra Fundamental vibrational modes for H 2 mna and Hg(Hmna) 2 were assigned in accordance with the literature data regarding metal complexes with H 2 mna. 7,8,10,13,39 Croat. Chem.…”

Section: Resultsmentioning

confidence: 99%

“…The chemical shifts (δ/ppm) and the C−H coupling constants (J CH /Hz) in 13 C NMR spectra of 2-mercaptonicotinic acid in DMSO-d 6 solution also correspond to the thione form. Two-bond deuterium isotope effect from N−D to C-6 is observed, amounting to 40 ppb, while four-bond deuterium isotope effect on the carboxyl carbon atom is not detected.…”

Section: 1mentioning

confidence: 99%

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Synthesis, Spectral and Thermal Characterization of Bis(pyridine-3- carboxy-2-thiolato-S)mercury(II). Crystal Structure of Dibromobis(3- metoxycarbonylpyridine-2-thiolato-S)mercury(II)

Soldin¹,

Vikić‐Topić²,

Pavlović³

et al. 2012

Croat. Chem. Acta

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Abstract. 2-mercaptonicotinic acid (H 2 mna = 2-HS(C 5 H 3 N)COOH) gave a thiolato compound of the formula Hg(Hmna) 2 by a reaction with various mercury(II) salts, HgX 2 (X = Cl − , Br− , SCN − ) in an ethanol or methanol solution irrespectively of the molar ratio of the reactants (1:1 or 1:2). The same compound was obtained from the reaction of mercury(II) acetate in an aqueous-ethanol solution. Hg(Hmna) 2 was characterized by vibrational spectroscopy and thermal analysis.1 H and 13 C NMR measurements provided additional information on the thiol-thione tautomerism in H 2 mna and Hg(Hmna) 2 and also on the binding mode to mercury in the DMSO-d 6 solution. HgBr 2 (CH 3 -Hmna) 2 was obtained from the reaction of H 2 mna with HgBr 2 in methanol after filtering off the main product Hg(Hmna) 2 (CH 3 -Hmna = 2-HS(C 5 H 3 N)COOCH 3 ). The crystal structures of H 2 mna and HgBr 2 (CH 3 -Hmna) 2 were determined by the X-ray structure analysis. 2-mercaptonicotinic acid exists in the crystalline state in the thione tautomeric form. Two bromine atoms and two S-bound CH 3 -Hmna ligands form a tetrahedral coordination sphere around the mercury atom in HgBr 2 (CH 3 -Hmna) 2 .

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Section: 1mentioning

confidence: 52%

Section: Resultsmentioning

confidence: 99%

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Synthesis, Spectral and Thermal Characterization of Bis(pyridine-3- carboxy-2-thiolato-S)mercury(II). Crystal Structure of Dibromobis(3- metoxycarbonylpyridine-2-thiolato-S)mercury(II)

Soldin¹,

Vikić‐Topić²,

Pavlović³

et al. 2012

Croat. Chem. Acta

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“…Several studies have been carried out in order to determine the specific and thermodynamic constants of methionine, which is one of the nine essential amino acids needed by human beings and contains a sulfur atom, and 2-mecaptonicotinic acid complexes [21,22].…”

Section: Coordinated Compoundsmentioning

confidence: 99%

Thermal Analysis of Sulfur and Selenium Compounds with Multiple Applications, Including Anticancer Drugs

Plano¹,

Palop²,

Sanmartín³

2013

Applications of Calorimetry in a Wide Context - Differential Scanning Calorimetry, Isothermal Titration Calorimetry and Microca

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“…[26] The thermal properties of lanthanide complexes [27] and first-row transition-metal complexes (in static air) [28] with 2-mercaptonicotinic acid were evaluated and reported. The antimicrobial activity of mercury(II) complexes of 2-mercaptonicotinic acid derivatives were evaluated.…”

Section: Introductionmentioning

confidence: 99%

Surface Layer‐by‐Layer Chemical Deposition Reaction for Nanosized Thin‐Film Formation of Metal Complexes of 2‐Mercaptonicotinic Acid

Haggag

2010

Eur J Inorg Chem

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Syntheses and thermal properties of some complexes with 2-mercaptonicotinic acid

Cited by 8 publications

References 20 publications

Synthesis, Spectral and Thermal Characterization of Bis(pyridine-3- carboxy-2-thiolato-S)mercury(II). Crystal Structure of Dibromobis(3- metoxycarbonylpyridine-2-thiolato-S)mercury(II)

Synthesis, Spectral and Thermal Characterization of Bis(pyridine-3- carboxy-2-thiolato-S)mercury(II). Crystal Structure of Dibromobis(3- metoxycarbonylpyridine-2-thiolato-S)mercury(II)

Thermal Analysis of Sulfur and Selenium Compounds with Multiple Applications, Including Anticancer Drugs

Surface Layer‐by‐Layer Chemical Deposition Reaction for Nanosized Thin‐Film Formation of Metal Complexes of 2‐Mercaptonicotinic Acid

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