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Abstract | Cited by

The crystalline compounds [Mg(Br)(L)(thf)]·0.5Et2O [L = {N(R)C(C6H3Me2-2,6)}2SiR, R = SiMe3] (1), [Mg(L){N[double bond, length as m-dash]C[double bond, length as m-dash]C(C(Me)[double bond, length as m-dash]CH)2CH2}(D)2] [D = NCC6H3Me2-2,6 (2), thf (3)] and [{Mg(L)}2{μ-OSO(CF3)O-μ}2] (4) were prepared from (a) Si(Br)(R){C(C6H3Me2-2,6)[double bond, length as m-dash]NR}2 and Mg for (1), (b) [Mg(SiR3)2(thf)2] and 2,6-Me2C6H3CN (5 mol for (2), 3 mol for (3)), and (c) (2) + Me3SiOS(O)2CF3 for (4); a coproduct from (c) is believed to have been the trimethylsilyl ketenimide Me3SiN[double bond, length as m-dash]C[double bond, length as m-dash]C{C(Me)[double bond, length as m-dash]CH}2CH2 (5).

Graphical abstract: Synthesis and structures of a 3-sila-β-diketiminatomagnesium bromide, ketenimide and triflate

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