Roberts, John D. and Green, Charlotte (1946) Absorption Spectra of Some 2,4-Dinitrophenylhydrazones. Journal of the American Chemical Society, 68 (2). pp. 214-216. ISSN 0002-7863. doi:10.1021/ja01206a020. https://resolver.caltech.edu/CaltechAUTHORS:20150930-135823015
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Abstract
It has been pointed out by Redemann that the crystalline 2,4-dinitrophenylhydrazones of α,β-unsaturated carbonyl compounds are usually bright red in contrast to the yellow colors of the corresponding saturated derivatives. In view of the widespread interest in the use of 2,4-dinitrophenylhydrazones as derivatives for the identification and characterization of carbonyl compounds, coupled with the fact that a number of exceptions are known to the above-mentioned color rule, we have undertaken a study of the absorption spectra of a number of dinitrophenylhydrazones in neutral and alkaline solutions to see if more reliable criteria for the structure and degree of unsaturation of the original compounds could be obtained.
Item Type: | Article | |||||||||
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Additional Information: | © 1946 American Chemical Society. Received October 23, 1945. | |||||||||
Issue or Number: | 2 | |||||||||
DOI: | 10.1021/ja01206a020 | |||||||||
Record Number: | CaltechAUTHORS:20150930-135823015 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150930-135823015 | |||||||||
Official Citation: | Absorption Spectra of Some 2,4-Dinitrophenylhydrazones John D. Roberts and Charlotte Green Journal of the American Chemical Society 1946 68 (2), 214-216 DOI: 10.1021/ja01206a020 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 60631 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | George Porter | |||||||||
Deposited On: | 05 Oct 2015 17:15 | |||||||||
Last Modified: | 10 Nov 2021 22:36 |
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