Novel Dialkyl Aluminum Bis(iminophosphorano) Methanide and Methanediide Complexes
Organometallics1999Vol. 18(21), pp. 4241–4243
Citations Over TimeTop 10% of 1999 papers
Abstract
Reaction of bis{trimethylsilyliminodi(phenyl)phosphorano}methane, H2C(Ph2PNSiMe3)2 (1) with 1 equiv of trimethylaluminum in toluene gave a four-coordinated alkyl aluminum complex of the formula [AlMe2{HC(Ph2PNSiMe3)2-κ2N,N'}] (2) via the elimination of methane. The crystal structure confirms the monomeric nature of the complex and the bidentate coordination of the bisiminophosphoranomethanide ligand to aluminum. Reaction of 1 with 2 equiv of trimethylaluminum yielded the novel bimetallic complex [(AlMe2)2{μ2-C(Ph2PNSiMe3)2-κ4C,C',N,N'}] (3), in which the methylene backbone carbon has been doubly deprotonated.
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