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Chiral phenyl‐substituted chalcone epoxides. I—Correlative determination of absolute configuration by 1 H NMR lanthanide‐induced shifts
Author(s) -
LanginLantéri MarieThérèse,
Fonbonne Catherine,
Huet Jean,
PetitRamel Michèle
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.1260250307
Subject(s) - chemistry , lanthanide , chalcone , absolute configuration , stereochemistry , proton nmr , chemical shift , carbon 13 nmr , substrate (aquarium) , oxide , nuclear magnetic resonance spectroscopy , computational chemistry , organic chemistry , ion , geology , oceanography
Abstract The absolute configuration of an unknown 2′‐ or 4‐ and (or) 4′ phenyl‐substituted chalcone oxide can be predicted from the chemical shift behaviour of the 1 H NMR spectrum of the substrate in the presence of the lanthanide chiral complex Eu(hfbc) 3 .