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Techniques for Signal Assignment in 13 C‐NMR Spectroscopy of Naturally Occurring Aromatic Compounds
Author(s) -
Gottlieb Hugo E.
Publication year - 1977
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197700013
Subject(s) - chemistry , nuclear magnetic resonance spectroscopy , chemical shift , relaxation (psychology) , nmr spectra database , spin (aerodynamics) , carbon 13 nmr satellite , spectral line , spectroscopy , transverse relaxation optimized spectroscopy , aromaticity , fluorine 19 nmr , computational chemistry , nuclear magnetic resonance , molecule , organic chemistry , psychology , social psychology , physics , astronomy , engineering , aerospace engineering , quantum mechanics
Techniques of signal assignment of 13 C‐NMR spectra of organic compounds, and in particular those of natural origin, are reviewed. They include symmetry, chemical shift considerations, spin‐spin coupling (both one‐bond and long‐range), spin relaxation (T 1 , NOE), isotopic enrichment and complexing agents. Special emphasis is given to the effects of oxygenated substituents on aromatic rings.