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A versatile bulky bidentate ligand for both main group and transition metals. Derivatives of lithium potassium magnesium chromium manganese and cobalt containing the C(SiMe3)2(SiMe2C5H4N-2)
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posted on 2023-06-07, 22:09 authored by Salih S Al-Juaid, Colin Eaborn, Peter B Hitchcock, Michael S Hill, J David SmithThe compound HC(SiMe3)2(SiMe2C5H4N-2), 1, reacts with methyllithium in THF to give a good yield of the lithium derivative which has been isolated as a molecular THF adduct 2. This reacts (a) with KOtBu to give 3, which crystallizes in a solvent-free ionic lattice, (b) with MgBr2 to give the Grignard reagent 4, and (c) with CrCl2 to give Cr{C(SiMe3)2(SiMe2C5H4N-2)}2, 5, along with the halide-bridged Grignard reagent analogue 6, which crystallizes in a lattice containing alternate THF-free molecules (6a) and molecules (6b) with coordinated THF. The reactions of 2 with MnCl2 and CoBr2 give the halide-bridged ate complexes 7, and 8, respectively.
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Publication status
- Published
Journal
OrganometallicsPublisher
OrganometallicsVolume
19Page range
3224-3231ISBN
0276-7333Department affiliated with
- Chemistry Publications
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- No
Peer reviewed?
- Yes
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2012-02-06Usage metrics
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