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Saturated 5‐membered ring conformation. 1— 1 H NMR study of protonated methyltetrahydrofurans in superacid medium
Author(s) -
Infarnet Y.,
Duplan J. C.,
Huet J.
Publication year - 1981
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.1270160119
Subject(s) - protonation , superacid , ring (chemistry) , chemistry , coupling constant , proton nmr , oxygen , crystallography , computational chemistry , stereochemistry , organic chemistry , physics , ion , catalysis , particle physics
Several methyltetrahydrofurans have been studied in HSO 3 FSbF 5 SO 2 solution. O ‐Protonation was observed from 1 H NMR measurements at low temperature, and the coupling constants between + OH and the CH protons α to oxygen were measured from the CH signals. A conformational interpretation could be carried out from these results.
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