COMPLETE ASSIGNMENT OF THE ALIPHATIC CHAINS IN DIMERS, TRIMERS AND POLYMER OF 3-HEXYLTHIOPHENE THROUGH 2D-NMR SPECTROSCOPY

Citation
M. Ferrari et al., COMPLETE ASSIGNMENT OF THE ALIPHATIC CHAINS IN DIMERS, TRIMERS AND POLYMER OF 3-HEXYLTHIOPHENE THROUGH 2D-NMR SPECTROSCOPY, Magnetic resonance in chemistry, 33(8), 1995, pp. 657-663
Citations number
25
Categorie Soggetti
Spectroscopy,Chemistry
ISSN journal
07491581
Volume
33
Issue
8
Year of publication
1995
Pages
657 - 663
Database
ISI
SICI code
0749-1581(1995)33:8<657:CAOTAC>2.0.ZU;2-E
Abstract
H-1 and C-13 signals of the hexyl chains of the title compounds were f ully assigned. The regiochemical features of the aliphatic region of p roton and carbon spectra were analysed in dimers and trimers. Dimers a nd trimers proved to be reliable model compounds in the regiochemical assignment of poly(3-hexylthiophene) even when the aliphatic region of proton and carbon spectra was involved. The chemical shifts of the pr otons of CH2(alpha)s and of the hexyl chain as a whole and those of th e first three aliphatic carbons appear to be the most significant.