Homo- and heteroleptic 8-quinaldinolate complexes from elevated-temperature rearrangements

Deacon, Glen B., Junk, Peter C., Turner, David R., and Walker, Julia A. (2013) Homo- and heteroleptic 8-quinaldinolate complexes from elevated-temperature rearrangements. Australian Journal of Chemistry, 66 (10). pp. 1138-1143.

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View at Publisher Website: http://dx.doi.org/10.1071/CH13185
 
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Abstract

Three new zinc 8-quinaldinolate complexes have been obtained from rearrangement reactions at elevated temperatures including the first homoleptic zinc 8-quinaldinolate complex. The homoleptic, trinuclear complex [Zn₃(MQ)₆] (1) (MQ = 8-quinaldinolate) was obtained by the recrystallisation of amorphous Zn(MQ)₂ from a 1,2,4,5-tetramethylbenzene flux at 270 degrees C. The heteroleptic complexes [Zn₄Cl₄(MQ)₄] (2) and [Zn₄Cl₂(MQ)₆] (3) were simultaneously obtained by the reaction between Zn(MQ)₂ and anhydrous ZnCl₂ under the same conditions. All complexes contain quinaldinolate ligands in a mixed chelating-bridging coordination mode. The homoleptic complex adopts a V-shaped geometry whereas the heteroleptic complexes adopt closely related cyclic structures.

Item ID: 30210
Item Type: Article (Refereed Research - C1)
ISSN: 1445-0038
Funders: Australian Research Council (ARC), Australian Institute of Nuclear Science and Engineering (AINSE)
Date Deposited: 13 Nov 2013 08:47
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030202 f-Block Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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