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H-1 and C-13 nuclear magnetic resonance studies on the stereochemical configuration of bis(N,N-dimethyl-2,4-dimethylglutarylamide) and poly(N,N-dimethylacrylamide)

AuthorsBulai, Anna; Jimeno, M. Luisa; Alencar de Queiroz, Alvaro Antonio; Gallardo Ruiz, Alberto ; San Román, Julio
Issue Date1996
PublisherAmerican Chemical Society
CitationMacromolecules 29 : 3240-3246 (1996)
AbstractABSTRACT: The conformation and configuration analysis of the dimer bis(N,N-dimethyl-2,4-dimethyl- glutarylamide) was carried out by means of both conventional 1H and 13C NMR spectroscopy and advanced (INEPTLR and 2D HETCOR) methods. The ç-gauche effect method appears to reproduce the observed chemical shift difference between m-and r-isomers. Stereochemical structure of poly(N,N-dimethylacry- lamide) (PDMAA) was studied using proton spectrum (at the triad level) and DEPT spectra (at the triad and pentad level). For PDMAA prepared by radical polymerization, the Bernoullian statistics are required to fit the observed intensities at the pentad level.
Publisher version (URL)http://dx.doi.org/10.1021/ma951520v
Appears in Collections:(CENQUIOR) Artículos
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