News
Unlike many other analytical techniques, NMR spectroscopy can easily distinguish subtle differences in chemical structures. Isomers are compounds with the same molecular formula but differing ...
This article explains how NMR is used for differentiating between structural isomers with the chemical formula, C 4 H 8 O 2. The three isomers discussed have unique carbon skeletons and functional ...
This ability to generate a sample of water with a well-defined nuclear spin could, say the researchers, significantly increase the sensitivity, and hence applicability, of nuclear magnetic resonance ...
New research has found that water molecules react differently to electric fields, which could provide a new way to study spin isomers at the ... magnetic resonance (NMR) to astrophysics.
A research team describes how water molecules 'caged' in fullerene spheres ('buckyballs') are providing a deeper insight into spin isomers -- varieties ... resonance (NMR) and magnetic resonance ...
In this case, the methyl is attached to a rigid triptycene moiety so that out-isomer formation is completely suppressed. The in-methyl protons and carbon show high-field NMR resonances, as expected, ...
The current paradigm for rapid measurement of enantiomeric excess using NMR is based on the formation of diastereomeric complexes between the chiral analyte and a chiral resolving agent ...
1 H NMR (42.5 MHz, neat) δ 3.45 (q, J = 7.1, 2 H, H-1), 1.36 (s, 3 H, H-2’), 0.60 (t, J = 7.1, 3 H, H-2). The number of proton environments in this compound are three and it can be observed from the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results