Aluminum Amides Derived from Metalation of N,N'-Bis(trimethylsilyl)ethylenediamine |
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| Authors: | Gardiner Michael G Koutsantonis George A Lawrence Stacey M Raston Colin L |
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| Institution: | Department of Chemistry, Monash University, Clayton, Melbourne, Victoria, 3168, Australia, Department of Chemistry, University of Western Australia, Nedlands, Western Australia, 6009, Australia, and Faculty of Science and Technology, Griffith University, Nathan, Brisbane, Queensland, 4111, Australia. |
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| Abstract: | The reaction of N,N'-bis(trimethylsilyl)ethylenediamine with H(3)Al.NMe(3) gives products based on metalation (H(2) elimination), {CH(2)N(SiMe(3))](2)AlH}(2)] (1) and {CH(2)N(SiMe(3))}(2)AlN(SiMe(3))CH(2)CH(2)N(H)SiMe(3)] (2), as well as products derived from N-Si bond cleavage and metalation, {CH(2)N(SiMe(3))](2)AlH}(2){HAlN(SiMe(3))CH(2)CH(2)NAlH(2)}] (4) and H(2)Al{CH(2)N(SiMe(3))}(2)AlN(SiMe(3))CH(2)CH(2)NAl(H)(2).NMe(3)}] (5). Similarly, Me(3)SiN(H)CH(2)CH(2)N(SiMe(3))AlCl(2)] (3) was isolated as the redistributed/metalated product from the reaction of the same diamine with H(2)Al(Cl).NMe(3). The following crystal data were obtained: (1) monoclinic, space group P2(1)/c (No. 14), a = 13.636(4) ?, b = 9.565(3) ?, c = 22.683(4) ?, beta = 105.67(2) degrees, Z = 4; (2) monoclinic, space group C2/c (No. 15), a = 31.887(3) ?, b = 10.145(6) ?, c = 17.718(3) ?, beta = 100.36(1) degrees, Z = 8; (3) triclinic, space group P&onemacr; (No. 2), a = 11.762(3) ?, b = 11.927(3) ?, c = 7.288(2) ?, alpha = 107.46(2) degrees, beta = 95.29(2) degrees, gamma = 110.41(2) degrees, Z = 2; (4) triclinic, space group P&onemacr; (No. 2), a = 13.884(4) ?, b = 15.379(4) ?, c = 11.044(2) ?, alpha = 102.11(2) degrees, beta = 103.85(2) degrees, gamma = 109.28(2) degrees, Z = 2; (5) triclinic, space group P&onemacr; (No. 2), a = 10.925(5) ?, b = 11.060(5) ?, c = 12.726(4) ?, alpha = 92.38(3) degrees, beta = 95.67(2) degrees, gamma = 96.90(2) degrees, Z = 2. |
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