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The anisotropic effect of 4‐substituents on the 1 H NMR chemical shift of H‐5 in phenanthrenes
Author(s) -
Letcher R. M.
Publication year - 1981
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.1270160311
Subject(s) - phenanthrenes , chemistry , anisotropy , stereochemistry , medicinal chemistry , organic chemistry , phenanthrene , physics , quantum mechanics
Chloro‐, methoxy‐ and methyl‐substituents in the 4‐position of phenanthrenes exert a profound and diagnostic influence on the 1 H chemicalshift of H‐5, and from 13 C measurements it is considered to be dueto an anisotropic effect.