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New evidence of the intrinsic chemical shift non‐equivalence
Author(s) -
Dabrowski Janusz,
Ejchart Andrzej,
Biernacki Władysław
Publication year - 1970
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.1270020312
Subject(s) - geminal , equivalence (formal languages) , phenomenon , physics , chemistry , mathematics , pure mathematics , stereochemistry , quantum mechanics
Carbinols of the general formulae R·CHOH·C(NO 2 )Me 2 exhibit increasing values of chemical shift non‐equivalence for the geminal methyl groups with rise of temperature. This phenomenon furnishes indirect evidence for the intrinsic non‐equivalence.