RDC measurements and application

joceah_v081i019.inddApplication to the structural discrimination of small molecules containing multiple stereocenters. One-Shot determination of residual dipolar couplings.
Castañar, L.; Garcia, M.; Hellemann, E.; Nolis, P.; Gil, R.; Parella, T.

 

A novel approach for the fast and efficient structural discrimination of molecules containing multiple stereochemical centers is described. A robust Jresolved HSQC experiment affording highly resolved 1JCH/1TCHsplittings along the indirect dimension and homodecoupled 1H signals in the detected dimension is proposed. The experiment enables in-situ distinction of both isotropic and anisotropic components of molecules dissolved incompressed PMMA gels, allowing a rapid and direct one-shot determination of accurate residual dipolar coupling constants from a single NMR spectrum

 

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