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The co-ordination and cleavage reactions of aluminium borohydride with ligands containing elements from Groups V and VI

Title:

The co-ordination and cleavage reactions of aluminium borohydride with ligands containing elements from Groups V and VI

Bird, Peter H. and Wallbridge, M. G. H. (1967) The co-ordination and cleavage reactions of aluminium borohydride with ligands containing elements from Groups V and VI. Journal of the Chemical Society A: Inorganic, Physical, Theoretical (4). pp. 664-669. ISSN 0022-4944

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Official URL: http://dx.doi.org/10.1039/J19670000664

Abstract

Aluminium borohydride reacts with triphenylphosphine to form initially a 1 : 1 adduct; subsequent addition of excess of ligand causes decomposition of this adduct, and results in cleavage of the AlH2B bridges. With ammonia the initial reaction product is a 1 : 2 adduct, Al(BH4)3,2NH3, but here excess of ligand cleaves the AlH2B bridges unsymmetrically, and the final product is best formulated as [Al(NH3)6]3+(BH4–)3. The relative strengths of the co-ordinate bond in a series of 1 : 1 adducts have been studied by displacement reactions which show NMe3 PMe3 > AsMe3 and Me2O > Me2S. The similarity in the nitrogen and phosphorus compounds is discussed with relevance to the formation of 1 : 2 adducts in these cases

Divisions:Concordia University > Faculty of Arts and Science > Chemistry and Biochemistry
Item Type:Article
Refereed:Yes
Authors:Bird, Peter H. and Wallbridge, M. G. H.
Journal or Publication:Journal of the Chemical Society A: Inorganic, Physical, Theoretical
Date:1967
ID Code:7658
Deposited By:DANIELLE DENNIE
Deposited On:15 Jun 2011 15:52
Last Modified:15 Jun 2011 15:52
References:
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