title: Cerium(III) and neodymium(III) amides derived from a chelating 2-pyridyl amido ligand.
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.
authors.affiliation: Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, P. R. China.
authors.forename: Steven C F
authors.initials: SC
authors.lastname: Kui
authors.forename: Hung-Wing
authors.initials: HW
authors.lastname: Li
authors.forename: Hung Kay
authors.initials: HK
authors.lastname: Lee