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Distortion analysis of severely flattened rings
Author(s) -
Lambert Joseph B.,
Koeng Fred R.
Publication year - 1971
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.1270030403
Subject(s) - vicinal , flattening , distortion (music) , ring (chemistry) , molecule , coupling constant , crystallography , chemistry , computational chemistry , stereochemistry , physics , organic chemistry , quantum mechanics , amplifier , optoelectronics , cmos , astronomy
The NMR spectra of the nonaromatic protons in several benzo‐substituted five‐ and six‐membered rings have been analyzed at 60‐ and 90‐MHz. The vicinal coupling constants from theCH 2 CH 2 fragments give a quantitative assessment of the degree of ring flattening. The distortions are discussed in terms of the structural components of the molecules.