Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 5704-04-1, Name is 2-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)acetic acid, molecular formula is C6H13NO5, belongs to amides-buliding-blocks compound, is a common compound. In a patnet, author is Barham, Joshua P., once mentioned the new application about 5704-04-1, HPLC of Formula: https://www.ambeed.com/products/5704-04-1.html.
The conformations of the title compounds were determined in solution (NMR and UV-Vis spectroscopy) and in the solid state (FT-IR and XRD), complemented with density functional theory (DFT) in the gas phase. The nonequivalence of the amide protons of these compounds due to the hindered rotation of the C(O)-NH2 single bond resulted in two distinct resonances of different chemical shift values in the aromatic region of their H-1-NMR spectra. Intramolecular hydrogen bonding interactions between the carbonyl oxygen and the sulfonamide hydrogen atom were observed in the solution phase and solid state. XRD confirmed the ability of the amide moiety of this class of compounds to function as a hydrogen bond acceptor to form a six-membered hydrogen bonded ring and a donor simultaneously to form intermolecular hydrogen bonded complexes of the type N-H center dot center dot center dot O=S. The distorted tetrahedral geometry of the sulfur atom resulted in a deviation of the sulfonamide moiety from co-planarity of the anthranilamide scaffold, and this geometry enabled oxygen atoms to form hydrogen bonds in higher dimensions.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics