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- W1978840659 abstract "Reaction of Li[PhC(NSiMe(3))(2)] with the complexes [Ti(NR)Cl(2)(py)(3)] affords the corresponding (N,N'-bis(trimethylsilyl)benzamidinato)titanium imido derivatives [Ti(NR){PhC(NSiMe(3))(2)}Cl(py)(2)] [R = Bu(t) (1), 2,6-C(6)H(3)Me(2) (2), 2,6-C(6)H(3)Pr(i)(2) (3)], which, in solution, exist in temperature-dependent, dynamic equilibrium with their mono(pyridine) homologues [Ti(NR){PhC(NSiMe(3))(2)}Cl(py)] and free pyridine. Kinetic and thermodynamic data for these processes are reported, and the relative contributions of the DeltaH and DeltaS terms associated with all three equilibria are identified. The arylimido complexes 2 and 3 may also be prepared by treating 1 with the appropriate arylamine. Reaction of Li[MeC(NC(6)H(11))(2)] with [Ti(NBu(t))Cl(2)(py)(3)] gives the binuclear N,N'-bis(cyclohexyl)acetamidinato derivative [Ti(2)(&mgr;-NBu(t))(2){MeC(NC(6)H(11))(2)}(2)Cl(2)] (4). The X-ray structures of 2 and 4 have been determined. Crystal data for 2: triclinic, P&onemacr;, a = 11.219(5) Å, b = 12.131(6) Å, c = 13.208(7) Å, alpha = 80.34(5) degrees, beta = 87.41(4) degrees, gamma = 75.13(3) degrees, V = 1722.1(15) Å(3), Z = 2, R = 0.054, R(w) = 0.056. Crystal data for 4: triclinic, P&onemacr;, a = 10.455(3) Å, b = 10.637(5) Å, c = 11.024(3) Å, alpha = 90.52(4) degrees, beta = 112.62(3) degrees, gamma = 114.10(3) degrees, V = 1012.8(10) Å(3), Z = 1, R = 0.0453, R(w) = 0.0495." @default.
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- W1978840659 date "1997-08-01" @default.
- W1978840659 modified "2023-09-24" @default.
- W1978840659 title "Titanium Imido Complexes Supported by Amidinate Ligands: Synthesis, Solution Dynamics, and Solid State Structures" @default.
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- W1978840659 doi "https://doi.org/10.1021/ic9702274" @default.
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