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| - Synthesis and Characterization of OrganoaluminumSilylamido Complexes
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| - Reaction of [Me2AlCl] and 1 equiv of HN(SiMe2H)2 afforded colorless crystals of [Cl(Me)Al{μ-NH(SiMe2H)}]2 (1). In contrast, treatment of [Me2AlCl] with 1 equiv of HN(SiMe2Ph)2 resulted in the formation of [Cl(Me)2Al{NH(SiMe2Ph)2}] (2) and [Cl2(Me)Al{NH(SiMe2Ph)2}] (3) in a 1:4 ratio. The formation of compound 3 involves the exchange of one of the methyl groups attached to the aluminum atom with a chlorine atom.
- The reaction between [Me2AlCl] and 1 equivof HN(SiMe2H)2 in CH2Cl2 afforded colorless crystals of[Cl(Me)Al{-NH(SiMe2H)}]2 (1). The structure of compound 1 has been determined and shows that thebridging NH(SiMe2H) groups adopt a mutually transarrangement. The related reaction between [Me2AlCl]and 1 equiv of HN(SiMe2Ph)2 in CH2Cl2 solution resulted in the isolation of colorless crystals. An X-raycrystallographic study showed that the crystals consistof a mixture of [Cl(Me)2Al{NH(SiMe2Ph)2}] (2) and[Cl2(Me)Al{NH(SiMe2Ph)2}] (3) in a 1:4 ratio. Theformation of compound 3 involves the exchange of oneof the methyl groups attached to the aluminum atomwith a chlorine atom.
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