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Conformational effect on carbon‐13 chemical shifts of substituted 3,5‐dimethylbenzenes
Author(s) -
Salman Salman R.,
Kamounah Fadhil S.
Publication year - 1987
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260251108
Subject(s) - chemistry , chemical shift , additive function , computational chemistry , carbon fibers , carbon 13 nmr , stereochemistry , mathematical analysis , materials science , mathematics , composite number , composite material
Carbon‐13 NMR chemical shifts of sixteen 1‐X,2‐Y,4‐Z‐3,5‐dimethylbenzenes are presented. It is suggested that the conformational changes of the substituents are significant in determining the chemical shifts of these compounds. The deviation from the additivity rule is discussed.