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Substituent effects on long range proton–proton couplings in 4‐substituted bornanones
Author(s) -
Morris D. G.,
Murray A. M.
Publication year - 1974
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.1270060914
Subject(s) - substituent , proton , range (aeronautics) , coupling constant , ketone , chemistry , linear correlation , series (stratigraphy) , physics , stereochemistry , computational chemistry , nuclear physics , materials science , particle physics , organic chemistry , mathematics , statistics , composite material , paleontology , biology
Long range proton–proton coupling constants between H 3 exo and H 5 exo have been measured in a series of 4‐substituted bornanones. Correlation between the magnitudes of 4 J 3 exo –5 exo and the inductive linear free energy σ I has been obtained. 4‐Substituted bornanone nitrimines exhibit diminished values of 4 J 3 exo –5 exo with respect to the parent ketone.