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Carbon‐13 NMR spectra of some 4‐ and 5‐substituted pyrimidines
Author(s) -
Cheeseman Gordon W. H.,
Turner Christopher J.,
Brown Desmond J.
Publication year - 1979
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270120409
Subject(s) - electronegativity , chemical shift , coupling constant , substituent , chemistry , spectral line , carbon fibers , proton , nmr spectra database , carbon 13 nmr , proton nmr , carbon 13 nmr satellite , computational chemistry , nuclear magnetic resonance spectroscopy , organic chemistry , fluorine 19 nmr , materials science , physics , particle physics , quantum mechanics , astronomy , composite number , composite material
Carbon‐13 NMR chemical shifts and carbon‐proton coupling constants for nine 4‐substituted and six 5‐substituted pyrimidines are reported. The carbon chemical shifts are correlated with π‐electron densities. Carbon‐proton coupling constants fail to correlate with substituent electronegativity.