Abstract
Reaction of RECl2 (R− = C(SiMe3)2(6-Me-2-pyridyl)−, E = P or As) with LiAlH4 in THF affords directly bonded aluminium hydride–pnictide hydride complexes as weakly associated hydride bridged dimers, [RE(H)–Al(H)2]2; a strong solvent dependency of these reactions, which had previously been observed with the formation of the disecondary diphosphane in Et2O (E = P), is further confirmed by the formation of RAsH2 from RAsCl2 and LiAlH4 in Et2O.
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