Heterocyclic Azo Dyes by Oxidative Coupling†‡
Prof. Dr. S. Hünig
Chemisches Institut der Universität Marburg/Lahn, Institut für Organische Chemie der Universität München, and Chemisches Institut Der Universität Würzburg (Germany)
Address: Chemisches Institut der Universität Würzburg, Röntgenring 11, Würzburg, Germany.
Search for more papers by this authorDr. H. Balli
Search for more papers by this authorE. Breither
Search for more papers by this authorDr. F. Brühne
Search for more papers by this authorDr. H. Geiger
Search for more papers by this authorDr. E. Grigat
Search for more papers by this authorDr. F. Müller
Search for more papers by this authorProf. Dr. S. Hünig
Chemisches Institut der Universität Marburg/Lahn, Institut für Organische Chemie der Universität München, and Chemisches Institut Der Universität Würzburg (Germany)
Address: Chemisches Institut der Universität Würzburg, Röntgenring 11, Würzburg, Germany.
Search for more papers by this authorDr. H. Balli
Search for more papers by this authorE. Breither
Search for more papers by this authorDr. F. Brühne
Search for more papers by this authorDr. H. Geiger
Search for more papers by this authorDr. E. Grigat
Search for more papers by this authorDr. F. Müller
Search for more papers by this authorXXIII. Communication in this series. XII. Communication, S. Hünig and F. Müller, Liebigs Ann. Chem. 651, 89 (1962).
Dedicated to Prof. Dr. O. Bayer on the occasion of his 60th birthday.
Abstract
New findings in the field of oxidative coupling reactions are reported. These involve: extension of this type of reaction to amidrazone system displaying (vinylogous) tautomerism and to unsymmetrical diarylhydrazines; elucidation of the coupling mechanism for these arylhydrazines and for the amidrazone systems previously described; the properties of some dyes, complexed with heavy metals, and the synthesis of tetraazapentamethine and penta-azapentamethine dyes.
References
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