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Solvent Polarity and the Anomeric Effect
Author(s) -
Fuchs Benzion,
Ellencweig Aviyakar,
Tartakovsky Evgeny,
Aped Pinchas
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198602871
Subject(s) - anomer , polar , quadrupole , polarity (international relations) , dipole , chemistry , solvent , anomeric effect , solvent effects , solvent polarity , computational chemistry , chemical polarity , stereochemistry , organic chemistry , physics , atomic physics , quantum mechanics , biochemistry , cell
Polar solvents enhance the anomeric effect. This surprising turnabout follows from the NMR data and calculated dipole moments of dioxane derivatives such as 1 and 2 . Accordingly, polar solvents stabilize the diaxial conformation in 2 , RSiMe 3 , t Bu; in these compounds μ eq ≈ μ ax . Contributions by quadrupole moments etc. Were not taken into account.
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