Preparation and structural studies on organotin(IV) complexes with flavonoids

L. Nagy; H. Mehner; A. Christy; E. Sletten; F. Edelmann; Q. Andersen

doi:10.1007/bf02386436

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 227: Issue 1-2

Preparation and structural studies on organotin(IV) complexes with flavonoids

Authors:

L. Nagy

L. Nagy A. József University Department of Inorganic and Analytical Chemistry P. O. Box 440 H-6701 Szeged Hungary

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H. Mehner

H. Mehner Bundesanstalt für Materialforschung und-prüfung 12489 Berlin-Adlershof Germany

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A. Christy

A. Christy University of Bergen Department of Chemistry Allegaten 41 N-5007 Bergen Norway

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E. Sletten

E. Sletten University of Bergen Department of Chemistry Allegaten 41 N-5007 Bergen Norway

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F. Edelmann

F. Edelmann Otto-von-Guericke University Department of Chemistry Universitätplatz 2 Geb. MD-39106 Magdeburg Germany

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Q. Andersen

Q. Andersen University of Bergen Department of Chemistry Allegaten 41 N-5007 Bergen Norway

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Pages:: 89–99

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 Jan 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02386436

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Abstract

Fourteen complexes of di-n-butyltin(IV)²⁺ cations with flavonoid glycosides (rutin, hesperidin, 2′,4′,3-trihydroxy-5′,4-dimetoxychalkone 4-rutinoside) and flavonoid aglycones (quercetin, morin, hesperitin and sorte flavones) were prepared. The composition of the complexes was determined by standard analytical methods. The results showed that complexes containing diorganotin(IV)²⁺ moiety and the ligand in 1∶1, 2∶1 or 3∶1 ratio are formed. The FTIR spectra were consistent with the presence of Sn-O (phenol or carbohydrate) vibration in the compounds. The structure of the complexes was measured by Mössbauer spectroscopy. Comparison of the experimental quadrupole splitting with those calculated on the basis of partial quadrupole splitting concept revealed that the complexes are of four types: with the central tin atoms surrounded by donor atoms in a purely trigonal-bipyramidal, octahedral+trigonal-bipyramidal, trigonal-bipyramidal+tetrahedral and octahedral+tetrahedral arrangement. This procedure also distinguished between the different structural isomers of both trigonal-bipyramidal and octahedral complexes. Conclusions could therefore be drawn on the factors determining which of the isomers are formed in the systems. The Mössbauer parameters obtained for organotin(IV)-flavonoid complexes were compared with those measured for organotin(IV)-carbohydrate complexes.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)