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RESEARCH ARTICLE
Contents Vol 75(4)

Syntheses and structural characterisation of some heteroleptic aluminium(III) formamidinates

Areej K. Aldabbagh A , Reza Takjoo A B , Atefeh Najafi A , Zhifang Guo A , Md Elius Hossain A , Nazli E. Rad A , Jun Wang A and Peter C. Junk https://orcid.org/0000-0002-0683-8918 A *
+ Author Affiliations
- Author Affiliations

A College of Science and Engineering, James Cook University, Townsville, Qld 4811, Australia.

B Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.

* Correspondence to: peter.junk@jcu.edu.au

Handling Editor: Martyn Coles

Australian Journal of Chemistry 75(4) 265-275 https://doi.org/10.1071/CH21181
Submitted: 29 July 2021  Accepted: 18 November 2021   Published: 7 April 2022

© 2022 The Author(s) (or their employer(s)). Published by CSIRO Publishing.

Abstract

A range of heteroleptic aluminium(III) formamidinate/formamidine complexes have been prepared involving metathesis reactions between AlX3 (X = Cl, Br, I) and alkali metal formamidinates. The mononuclear, bis-substituted complexes of the composition [Al(XylForm)2Cl] (XylForm = N,N′-bis(2,6-dimethylphenyl)formamidinate) (1), [Al(XylForm)2I]·PhMe (2), [Al(DippForm)2Cl] (DippForm = N,N′-bis(2,6-diisopropylphenyl)formamidinate) (3), [Al(DippForm)2I] (4), mono-substituted complexes of [Al(DippForm)Cl2(thf)] (5), [Al(DippForm)ClBr(thf)] (6), [Al(XylFormH)Br3] (7) and [Al(DippFormH)Br3] (8) were synthesised. [Al3(XylForm)2(µ3-O)(OH)Cl4]2·PhMe (9), was isolated in the reaction between K(XylForm) and AlCl3 as a trinuclear compound.

Keywords: aluminium amides, aluminium complexes, crystal structures, formamidinates (N ligands), heteroleptic aluminium(III) complexes, metathesis reactions, N‐donor ligands, synthesis.


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