Determination of long-range scalar 1H–1H coupling constants responsible for polarization transfer in SABRE

2016 ◽  
Vol 265 ◽  
pp. 59-66 ◽  
Author(s):  
Nan Eshuis ◽  
Ruud L.E.G. Aspers ◽  
Bram J.A. van Weerdenburg ◽  
Martin C. Feiters ◽  
Floris P.J.T. Rutjes ◽  
...  
Keyword(s):  
Long Range ◽  
Polarization Transfer ◽  
Coupling Constants

scholarly journals Long-range proton–carbon coupling constants for the determination of the stereochemical structure of organic compounds.

2021 ◽  
pp. 125-131
Author(s):  
Anwar, E. M. Noreljaleel
Keyword(s):  
Nmr Spectroscopy ◽  
Organic Compounds ◽  
Long Range ◽  
Coupling Constants ◽  
Spin Coupling ◽  
Spectroscopy Method ◽  
Stereochemical Structure ◽  
New Methods ◽  
Spin Coupling Constants

A new methods for elucidating stereochemistry of organic compounds was developed on the basis of long-range proton–carbon coupling constants (2,3JC,H) and interpreting spin-coupling constants (3JH,H). Reaction of compound containing pyrin ring with nucleophile reagent was done to open the ring. HSQC-TOCSY experiments one of the new NMR spectroscopy method used to measure this values of spin-coupling constants and elucidating the stereochemistry of the product.

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