Issue 3, 2011
From the journal:

Dalton Transactions

Synthesis and molecular structure of indium complexes based on 3,6-di-tert-butyl-o-benzoquinone. Looking for indium(i) o-semiquinolate†

Alexandr V. Piskunov,*a   Aryna V. Maleeva,a   Georgii K. Fukin,a   Evgenii V. Baranov,a   Artem S. Bogomyakov,b   Vladimir K. Cherkasova  and  Gleb A. Abakumova  

* Corresponding authors

a G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences, Tropinina str. 49, Nizhny Novgorod, GSP-445, Russia
E-mail: pial@iomc.ras.ru
Fax: +007 831 4627497
Tel: +007 831 4626782

b International Tomography Centre SB Russian Academy of Sciences, Institutskaya str. 3a, Novosibirsk, Russia
E-mail: itc@tomo.nsc.ru
Fax: +007 383 3331399
Tel: +007 383 3331448

Abstract

The interaction of 3,6-di-tert-butyl-o-benzoquinone (3,6-Q) with indium in toluene leads to the tris-o-semiquinolate derivative (3,6-SQ)3In (3,6-SQ - radical-anion of 3,6-Q). According to single-crystal X-ray diffraction analysis, this complex has a trigonal prismatic structure. Magnetic measurements revealed that the exchange interactions between odd electrons of the paramagnetic ligands in (3,6-SQ)3In are antiferromagnetic in character. The treatment of (3,6-SQ)3In with 2,2′-dipyridyl (Dipy) causes the displacement of one o-quinone ligand and the formation of the (3,6-SQ)In(Dipy)(3,6-Cat) (3,6-Cat - dianion of 3,6-Q) derivative containing mixed charged o-quinoid ligands. The reaction of InI with (3,6-SQ)K in THF solution is accompanied by a redox process and the potassium-indium(III) catecholate derivative was obtained as a result. The oxidation of InI with 3,6-Q in THF produces the dimeric In(III) iodo–catecholate complex [(3,6-Cat)2In·2THF]InI2. The same derivative can be synthesized by the interaction of indium metal with a mixture of I2 and 3,6-Q.

Graphical abstract: Synthesis and molecular structure of indium complexes based on 3,6-di-tert-butyl-o-benzoquinone. Looking for indium(i) o-semiquinolate

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Article information

DOI
https://doi.org/10.1039/C0DT00673D
Article type
Paper
Submitted
17 Jun 2010
Accepted
08 Oct 2010
First published
30 Nov 2010

Dalton Trans., 2011,40, 718-725

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Synthesis and molecular structure of indium complexes based on 3,6-di-tert-butyl-o-benzoquinone. Looking for indium(I) o-semiquinolate

A. V. Piskunov, A. V. Maleeva, G. K. Fukin, E. V. Baranov, A. S. Bogomyakov, V. K. Cherkasov and G. A. Abakumov, Dalton Trans., 2011, 40, 718 DOI: 10.1039/C0DT00673D

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