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Pregled bibliografske jedinice broj: 643132

Časopis

Autori: Ganguly, Bishwajit; Kesharwani, Manoj K.; Basarić, Nikola; Suresh, Eringathodi; Biswas, Abul Kalam; Mlinarić-Majerski, Kata
Naslov: Conformational Preference of Glycinamide in Solution : An Answer Derived from Combined Computational and Experimental Studies
Izvornik: Journal of molecular graphics & modelling (1093-3263) 46 (2013); 52-58
Vrsta rada: članak
Ključne riječi: glycinamide; solvent effect; NMR; DFT; conformer stability
Sažetak:
Conformational problems are often subtle but very important in controlling many intricate features in chemistry and biochemistry. We have performed the conformational analysis of glycinamide using NMR experiments and computational studies. 1H NMR experiments suggest the prevalence of intramolecular hydrogen bonded conformation of glycinamide (2B) in acetonitrile, whereas, non-intramolecular hydrogen bonded conformation 2A is favoured in dimethylsulfoxide. The NOESY experiments carried out for glycinamide in DMSO-d6, showed stronger NOE interaction of the NHa-atom of amide group with CH2 than that of NHb-atom confirms the presence of conformer 2A. DFT calculations performed with explicit DMSO molecules also suggested a clear preference for the conformer 2A. The molecular dynamics simulations performed with the explicit DMSO molecules also showed that the intermolecular hydrogen bonding exists between the solvent and solute molecules to stabilize the conformer 2A. The present study sheds light on the debate of conformational preference of neutral glycinamide in the present literature.
Projekt / tema: 098-0982933-2911
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
MEDLINE
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Kemija
URL Internet adrese: http://www.sciencedirect.com/science/article/pii/S1093326313001629
Broj citata:
Altmetric:
DOI: 10.1016/j.jmgm.2013.09.007
URL cjelovitog teksta:
Google Scholar: Conformational Preference of Glycinamide in Solution : An Answer Derived from Combined Computational and Experimental Studies
Upisao u CROSBI: Enidija Lukša (Enidija.Luksa@irb.hr), 23. Ruj. 2013. u 12:46 sati



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