Cerium(III) and neodymium(III) amides derived from a chelating 2-pyridyl amido ligand |
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| Authors: | Kui Steven C F Li Hung-Wing Lee Hung Kay |
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| Institution: | Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, P. R. China. |
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| Abstract: | Homoleptic Ce(III) and Nd(III) triamides LnL(3)] Ln = Ce(1) or Nd(2)] and the heterobimetallic amide-alkoxide derivatives LnL(2)(mu-OBu(t))2M(tmeda)] Ln = Ce, M = Na (3); Ln = Nd, M = Na (4); Ln = Nd, M = K (5)] supported by the bulky N(SiBu(t)Me2)(2-C(5)H(3)N-6-Me)]- ligand (L-) have been successfully synthesized and characterized. Complexes 1-3 and 5 show a high activity toward the ring-opening polymerization of epsilon-caprolactone. |
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