Complexation of nicotinamide with Ag+ ions in water-organic solvents

Zevakin, M. A.; Grazhdan, K. V.; Шарнин, В. А.; Dushina, S. V.

doi:10.1134/s0036023606030260

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“…Transfer Gibbs energies of an entire nicotinamide molecule and its nitrogen heteroatom differ significantly (Fig. ) perhaps because of the solvation state changes of the carbamide group observed by 13 C NMR spectroscopy (Fig.…”

Section: Resultsmentioning

confidence: 99%

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing

Шарнин

Aleksandriysky

Dushina

et al. 2013

Magnetic Reson in Chemistry

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The formation constants of the nicotinamide H-complexes with protonic solvents such as water and ethanol in aqueous dimethyl sulfoxide and aqueous ethanol were determined using (13)C NMR data. Free Gibbs energy of nicotinamide donor center (nitrogen heteroatom) solvation was calculated. Gibbs energy of entire nicotinamide molecule solvation was shown to be antibate towards Gibbs energy of a pyridine nitrogen solvation. The solvation state of this molecule fragment must be taken into consideration when analyzing the reagents contributions in the thermodynamics of complexation.

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Section: Resultsmentioning

confidence: 99%

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing

Шарнин

Aleksandriysky

Dushina

et al. 2013

Magnetic Reson in Chemistry

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Potentiometric and calorimetric study on stability of nicotinamide complexes of silver(I) and copper(II) in aqueous ethanol and dimethylsulfoxide

Шарнин¹,

Dushina²,

Zevakin³

et al. 2009

Inorganica Chimica Acta

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Thermodynamic characteristics of reagents and reaction of Ag+–nicotinamide complex formation in water–ethanol media

Zevakin

Grazhdan

Dushina

et al. 2007

Journal of Molecular Liquids

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Complexation of nicotinamide with Ag+ ions in water-organic solvents

Cited by 3 publications

References 4 publications

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing

Potentiometric and calorimetric study on stability of nicotinamide complexes of silver(I) and copper(II) in aqueous ethanol and dimethylsulfoxide

Thermodynamic characteristics of reagents and reaction of Ag+–nicotinamide complex formation in water–ethanol media

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Complexation of nicotinamide with Ag+ ions in water-organic solvents

Cited by 3 publications

References 4 publications

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by 13C NMR probing

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by 13C NMR probing

Potentiometric and calorimetric study on stability of nicotinamide complexes of silver(I) and copper(II) in aqueous ethanol and dimethylsulfoxide

Thermodynamic characteristics of reagents and reaction of Ag+–nicotinamide complex formation in water–ethanol media

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About

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing

Stability of H‐complexes of nicotinamide nitrogen heteroatom with water and ethanol in mixed solvents by ¹³C NMR probing