Ortho-Substituent Effect on Fluorescence and Electroluminescence of Arylamino-Substituted Coumarin and Stilbene
β Scribed by Chen, Chao-Tsen; Chiang, Chih-Long; Lin, Yu-Chung; Chan, Li-Hsin; Huang, ; Tsai, Zong-Wei; Chen, Chin-Ti
- Book ID
- 127212245
- Publisher
- American Chemical Society
- Year
- 2003
- Tongue
- English
- Weight
- 102 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1523-7060
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## Abstract The ^13^C chemical shifts of 11 substituted triphenylamines have been determined and the assignment of these resonances made using intensities, ^1^H and ^19^F couplings and predictions from bond additivity relationships. ^13^C chemical shifts at carbons bearing the substituent and at ca
N and 13C NMR spectra of some ortho-substituted phenylhydrazines were measured at natural isotope abundance in DMSO-d, solutions. The substituent present exerts a larger effect on the chemical shift of the nitrogen atom directly bound to the aromatic ring (N-1), the second one (N-2) showing an atten