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Issue 3, 2020
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Neutral and cationic enantiopure group 13 iminophosphonamide complexes

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Abstract

Synthesis and reactivity of enantiopure iminophosphonamide ligand L-H (L = [Ph2P{N(R)CH(CH3)Ph}2]) with group 13 metal compounds has been investigated. The reaction of L-H with LiAlH4 afforded the aluminium monohydride complex [L2AlH]. The monochloride complexes [L2MCl] (M = Al, Ga) were accessed by reacting corresponding MCl3 (M = Al, Ga) with L-Li. Furthermore, the tetracoordinated aluminium cation [L2Al]+[GaCl4] and gallium cation [L2Ga]+[AlCl4] were obtained by chloride abstraction from [L2MCl] (M = Al, Ga), respectively. The title complexes represent the first examples of enantiopure group 13 metal complexes coordinated by chiral iminophosphonamides. All complexes have been characterized by single crystal X-ray diffraction, multinuclear NMR, EA and IR studies.

Graphical abstract: Neutral and cationic enantiopure group 13 iminophosphonamide complexes

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Supplementary files

Article information


Submitted
18 Oct 2019
Accepted
06 Dec 2019
First published
17 Dec 2019

This article is Open Access

Dalton Trans., 2020,49, 675-681
Article type
Paper

Neutral and cationic enantiopure group 13 iminophosphonamide complexes

B. Goswami, R. Yadav, C. Schoo and P. W. Roesky, Dalton Trans., 2020, 49, 675
DOI: 10.1039/C9DT04082J

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