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Conformational dependence of 13 C SCS in 1‐methyl‐1‐phenylcyclohexanes
Author(s) -
Cook Michael J.,
Nasri Khalida A.
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.1260250717
Subject(s) - chemistry , alkyl , ring (chemistry) , orientation (vector space) , stereochemistry , organic chemistry , geometry , mathematics
13 C chemical shift data are reported for a series of para ‐substituted 1‐methyl‐1‐phenylcyclohexanes at 22 and ‐100 °C. The magnitudes of the SCS at alkyl and cycloalkyl carbon positions are discussed. The SCS at C‐methyl and C‐4 are significantly different in the two chair conformations. The variation at C‐methyl is appraised in terms of the orientation of the aromatic ring.