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• W2094499295 endingPage "1050" @default.
• W2094499295 startingPage "1041" @default.
• W2094499295 abstract "A series of heteroleptic scandium SALEN complexes, [(SALEN)Sc(µ-Cl)]2 and (SALEN)Sc[N(SiHMe2)2] is obtained via amine elimination reactions using [Sc(NiPr2)2(µ-Cl)(THF)]2 and Sc[N(SiHMe2)2]3(THF) as metal precursors, respectively. H2SALEN ligand precursors comprising H2Salen [(1,2-ethandiyl)bis(nitrilomethylidyne)bis(2,4-di-tert-butyl)phenol], H2Salpren [(2,2-dimethylpropanediyl)bis(nitrilomethylidyne)bis(2,4-di-tert-butyl)phenol], H2Salcyc [(1R,2R)-(−)-1,2-cyclohexanediyl)bis(nitrilomethylidyne)bis(2,4-di-tert-butyl)phenol] and H2Salphen [((1S,2S)-(−)-1,2-diphenylethandiyl)bis(nitrilomethylidyne)bis(2,4-di-tert-butyl)phenol] are selected according to solubility and ligand backbone variation (“N–(R)–N” bite angle) criteria. Consideration is given to the feasibility of [Cl → NR2] and [N(SiHMe2)2 → OSiR3] secondary ligand exchange reactions. X-ray crystal structure analyses of donor-free (Salpren)Sc(NiPr2), (R,R)-(Salcyc)Sc[N(SiHMe2)2], (Salen)Sc(OSitBuPh2) and (Salphen)Sc(OSiHtBu2) reveal (i) a very short Sc–N bond distance of 2.000(3) Å, (ii) weak β(Si–H)amido–Sc agostic interactions and (iii) an exclusive intramolecularly tetradentate and intrinsically bent coordination mode of the SALEN ligands with ∠(Ph,Ph) dihedral angles and Sc–[N2O2] distances in the 124.27(9)–127.7(3)° and 0.638(1)–0.688(1) Å range, respectively." @default.
• W2094499295 created "2016-06-24" @default.
• W2094499295 creator A5005201385 @default.
• W2094499295 creator A5007697761 @default.
• W2094499295 creator A5019559080 @default.
• W2094499295 creator A5031787809 @default.
• W2094499295 date "2006-01-01" @default.
• W2094499295 modified "2023-09-23" @default.
• W2094499295 title "Synthesis and structural characterization of scandium SALEN complexes" @default.
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