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Stereochemical aspects of proton chemical shifts. III—Configurational assignments in pentacyclic systems without recourse to a karplus equation
Author(s) -
Anteunis Marc,
Danneels Dirk
Publication year - 1975
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.1270070711
Subject(s) - proton , coupling constant , chemistry , computational chemistry , contrast (vision) , coupling (piping) , chemical shift , stereochemistry , physics , computer science , materials science , artificial intelligence , nuclear physics , quantum mechanics , metallurgy
It is shown that in contrast to the use of coupling constants, chemical shift criteria may lead to unambiguous structural elucidations in pseudorotational frameworks (pentacycles, heptacycles, etc.).