New Metal Chelates with Sterically Hindered Azo Ligands: Synthesis and Physicochemical Properties View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2005-08

AUTHORS

V. A. Kogan, S. N. Lyubchenko, I. N. Shcherbakov, A. M. Ionov, V. V. Tkachev, G. V. Shilov, S. M. Aldoshin

ABSTRACT

Metal chelates based on 3,5-di-(tert-butyl)-2-hydroxyazobenzene are synthesized and their physicochemical properties were studied. Four alternative structures and isomeric transformations between these structures were suggested on the basis of NMR data, electric dipole and magnetic moments, X-ray diffraction and quantum-chemical data. The change in stereochemistry of a complex through introduction of tert-butyl substituents was found to give unusual (for metal chelates with azo ligands (MN2O2)) dome-shaped isomers with the trans-planar coordination core at a vertex or with a distorted cis-structure. More... »

PAGES

533-540

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11173-005-0132-0

DOI

http://dx.doi.org/10.1007/s11173-005-0132-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1019582353


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