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Routine 2 H NMR in Ternary Mixtures of Poly(γ‐benzyl‐ L ‐glutamate) − a Useful Tool for Studying Molecular Shape, Symmetry, and Conformational Motions
Author(s) -
Szalontai Gábor
Publication year - 2001
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/1099-0690(200109)2001:18<3511::aid-ejoc3511>3.0.co;2-d
Subject(s) - chemistry , lyotropic , chloroform , dichloromethane , ternary operation , molecule , isotropy , liquid crystalline , solvent , symmetry (geometry) , deuterium , crystallography , computational chemistry , organic chemistry , polymer , physics , geometry , mathematics , quantum mechanics , computer science , programming language
2 H NMR measurements of deuterated solute molecules in a poly(γ‐benzyl‐ L ‐glutamate) (PBLG)/dichloromethane or chloroform liquid‐crystalline solvent are presented. The quadrupolar splittings of solutes were determined in order to make good use of them in stereochemical and conformational analyses. The results obtained for achiral model compounds of different size, symmetry, shape, and flexibility are interpreted qualitatively. Emphasis is put on the routine application of this technique. Advantages of working in such lyotropic liquid‐crystalline solvents, namely the enhanced signal dispersion or the rich information content of the 2 H spectra compared with those recorded in isotropic media, are emphasised.