A Relationship between Colour and Structure for Simple Nitro Dyes
- 1 July 1967
- journal article
- Published by Wiley in Journal of the Society of Dyers and Colourists
- Vol. 83 (7) , 273-276
- https://doi.org/10.1111/j.1478-4408.1967.tb02768.x
Abstract
The long‐wavelength bands in the spectra of nitrobenzenes containing one or two strong electron‐donor groups are correlated with the 260‐ or 297‐mμ bands (or both) of nitrobenzene. The shift resulting from the introduction of two electron‐donor groups into nitrobenzene is shown to be equal to the sum of those resulting from analogous monosubstitution. Correlations of the longest wavelength band in the respective spectra of nitrobenzenes containing electron‐donor groups should thus allow for the possibility of these bands having different origins in different isomers.Keywords
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