Aluminum Amides Derived from Metalation of N,N′-Bis(trimethylsilyl)ethylenediamine

Michael G. Gardiner, George A. Koutsantonis, Stacey M. Lawrence, Colin L. Raston

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The reaction of N,N′-bis(trimethylsilyl)ethylenediamine with H3Al·NMe3 gives products based on metalation (H2 elimination), [{[CH2N(SiMe3)]2}2] (1) and [{CH2N(SiMe3)}2AlN(SiMe3)CH 2CH2N(H)SiMe3] (2), as well as products derived from N-Si bond cleavage and metalation, [{[CH2N(SiMe3)]2AlH}2{HAlN(SiMe 3)CH2CH2NAlH2}] (4) and [H2Al{CH2N(SiMe3)}2(SiMe 3)CH2CH2NAl(H)2-NMe3}] (5). Similarly, [Me3SiN(H)CH2CH2N(SiMe3)AlCl 2] (3) was isolated as the redistributed/metalated product from the reaction of the same diamine with H2Al(Cl)-NMe3. The following crystal data were obtained: (1) monoclinic, space group P21/c (No. 14), a = 13.636(4) Å, b = 9.565(3) Å, c = 22.683(4) Å, β = 105.67(2)°, Z = 4; (2) monoclinic, space group C2/c (No. 15), a = 31.887(3) Å, b = 10.145(6) Å, c = 17.718(3) Å, β = 100.36(1)°, Z = 8; (3) triclinic, space group P1̄ (No. 2), a = 11.762(3) Å, b = 11.927(3) Å, c = 7.288(2) Å, α = 107.46(2)°, β= 95.29(2)°, γ = 110.41(2)°, Z = 2; (4) triclinic, space group P1̄ (No. 2), a = 13.884(4) Å, b = 15.379(4) Å, c = 11.044(2) Å, a = 102.11(2)°, β = 103.85(2)°, γ = 109.28(2)°, Z = 2; (5) triclinic, space group P1̄ (No. 2), a = 10.925(5) Å, b = 11.060(5) Å, c = 12.726(4) Å, α = 92.38(3)°, β= 95.67(2)°, γ = 96.90(2)°, Z = 2.

Original languageEnglish
Pages (from-to)5696-5702
Number of pages7
JournalInorganic Chemistry
Volume35
Issue number19
DOIs
Publication statusPublished - 1 Dec 1996
Externally publishedYes

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