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Conformation of substituted five‐membered rings
Author(s) -
Dradi Emanuele,
Gatti Giuseppe
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.1270030411
Subject(s) - chemical shift , coupling constant , proton magnetic resonance , chemistry , coupling (piping) , crystallography , stereochemistry , resonance (particle physics) , proton , ring (chemistry) , cyclohexane conformation , aromaticity , computational chemistry , nuclear magnetic resonance , molecule , materials science , hydrogen bond , physics , organic chemistry , atomic physics , particle physics , quantum mechanics , metallurgy
Proton magnetic resonance chemical shifts and coupling constants for some 5‐substituted dihydrofurans, dihydrofuran and dihydrothiophene fused rings are reported, the substituents being methyl, ethyl and phenyl. The observed coupling constants are consistent with buckled rings, in which it appears that a conformation with pseudo‐equatorial substituents is predominant.