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ISSN electronic edition: 1336-9075
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Electronic Spectra and Structure of 2,6-Dimethyl-3-halo-4-nitropyridine N-Oxides

H. Ban-Oganowska

Department of Organic Chemistry, University of Economics, PL-53 –ó42 Wroclaw

 

Abstract: The UV spectra of 2,6-dimethyl-3-halo(F, Cl, Br, I)-4-nitropyridine N-oxides in heptane have been examined and compared with the results (transition energies, intensities) of modified INDO calculations in order to make the assignment of some bands. The influence of substituents in the molecule on λmax and εmax is discussed. The dipole moments are calculated and compared with experimental values. The effect of steric hindrance on the spectra is interpreted.

Full paper in Portable Document Format: 531a69.pdf

 

Chemical Papers 53 (1) 69–74 (1999)

Wednesday, December 02, 2020

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