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Nucleophilic Aromatic Substitutions. Part XIV.. Investigation of the mechanism of hydroxy-denitration of 4,2-and 2,4-chloronitrobenzenediazonium ions as a function of pH

✍ Scribed by Ivan I. Pikulik; Rudolf U. Weber; Heinrich Zollinger


Publisher
John Wiley and Sons
Year
1981
Tongue
German
Weight
665 KB
Volume
64
Category
Article
ISSN
0018-019X

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✦ Synopsis


Part XIII, see [I].

*) It has been shown recently [2] that heterolytic dediazoniations of arenediazonium ions are not classical SN1-reactions as the formation of the aryl cation is preceeded by a molecule-ion pair.


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Nucleophilic aromatic substitution. Part
✍ Joseph F. Bunnett; Markus Gisler; Heinrich Zollinger 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 German ⚖ 601 KB

## Abstract With conventional phase‐transfer catalysis using quaternary ammonium salts, yields of 2, 4‐dinitrobenzenesulfonic acid (**2**) in the sulfodechlorination of 1‐chloro 2.4‐dinitrobenzene (**1**) with sulfite ions are no better than those obtained with the classical method in aqueous ethan