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1 H NMR spectra of diastereomeric 1,4‐disubstituted 2,3‐diphenylbutanes; examples of ABXX′ A′B′ and A 2 XX′A 2 ′ spin systems
Author(s) -
Spassov S. L.,
Berova N. D.,
Hawkes G. E.,
Randall E. W.
Publication year - 1983
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/omr.1270210114
Subject(s) - spectral line , nmr spectra database , diastereomer , spin (aerodynamics) , physics , chemistry , nuclear magnetic resonance , crystallography , stereochemistry , quantum mechanics , thermodynamics
The 1 H NMR spectra of the meso ‐ and (±)‐forms of some 1,4‐disubstituted 2,3‐diphenylbutanes were measured at 400 MHz. The spectral parameters were determined by iterative computer analysis, treating the protons as ABXX′A′B′ or (in some cases) A 2 XX′A 2 ′ systems.
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