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Substituent effects on 13C and 15N chemical shifts in triazenes studied by principal components multivariate data analysis

✍ Scribed by W. J. Dunn; C. Lins; G. Kumar; T. Manimaran; S. Grigoras; U. Edlund; S. Wold

Publisher
John Wiley and Sons
Year
1983
Tongue
English
Weight
634 KB
Volume
21
Category
Article
ISSN
0749-1581

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✦ Synopsis

Principal components analysis was applied to the 13C and 15N chemical shift data on a series of fifteen l-(para-substituted-phenyl)-3-acetyl-3-methyltriazene~. It was found that the halogen-substituted triazenes formed a class, based on substituent effects, which was different from the remaining eleven triazenes. A one-component model described the halogen class, whereas a two-component model was necessary for a description of the second class. In the second cIass, substituents tended to cluster to form groups depending on their electronic character.

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