Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Nancy W. Eilerts"'
Autor:
and Martha Pacold, Suri S. Iyer, Khamphee Phomphrai, Malcolm H. Chisholm, John C. Huffman, Nancy W. Eilerts
Publikováno v:
Journal of the American Chemical Society. 122:11845-11854
Single-site achiral and chiral C3-symmetric complexes LMOR, where M = Mg and Zn, L = an η3-trispyrazolyl- or η3-trisindazolyl-borate ligand and R = Et, tBu, Ph, or SiMe3, have been synthesized and employed in the ring-opening polymerization of l-,
Publikováno v:
Inorganic Chemistry. 35:445-450
HB(3-(t)Bupz)(3)Tl and AlEt(3) in benzene yield {H(3-(t)Bupz)B(3-(t)Bupz)(2)-eta(2)}AlEt(2), 1, as a hydrocarbon-soluble crystalline solid. Compound 1 is also obtained in a related reaction involving ClAlEt(2) via a preferential metathesis of the Al-
Autor:
Nancy W. Eilerts, Joseph A. Heppert
Publikováno v:
Polyhedron. 14:3255-3271
Bisphenol ligands have a rich coordination chemistry in the early transition elements. 1,1′-Bi-2-naphthols are of particular interest because of their continued utility in controlling the stereochemistry of metal catalyzed processes. In several pro
Publikováno v:
Organometallics. 13:2218-2229
Publikováno v:
Polyhedron. 13:1267-1275
The ring-opening metathesis polymerization of norbornene and 5,5-dimethylnorbornene has been studied with a range of tungsten(VI) ring-opening metathesis polymerization procatalysts containing chelating diolate ligands, including catechols, 1,8-dihyd
Publikováno v:
Polyhedron. 13:743-748
4,4′-Biphenolate ligands (R4BIPOH2) bearing methyl or tert-butyl substituents in the 3,3′,5,5′-positions participate in alcoholysis reactions with metal precursors, including TiCl4, Ti(OiPr)4 and Cp2MCl2. The tetra-tert-butyl derivative shows e
Autor:
Fusao Takusagawa, Steven D. Dietz, Frank A. Kaul, Nancy W. Eilerts, Joseph A. Heppert, Robert W. Henning, Martha D. Morton
Publikováno v:
Organometallics. 12:2565-2572
Publikováno v:
Inorganic Chemistry. 32:1689-1697
W[sub 2](O-t-Bu)[sub 6] reacts with binaphthol derivatives (H[sub 2]BINO, R = H (1); H[sub 2]Me[sub 2]BINO, R = CH[sub 3] (2)) to produce monosubstituted products of the formula (R[sub 2]BINO)W[sub 2](O-t-Bu)[sub 4]. The presence of a single product
Publikováno v:
Inorganic Chemistry. 32:1698-1705
A range of 1,1[prime]-bi-2-naphthol (H[sub 2]BINO) derivatives react with WCl[sub 6] in toluene to generate a new family of W(R[sub 2]BINO)[sub 3[minus]n]Cl[sub 2n] derivatives. Reactions between excess 3,3[prime]-diphenyl-1,1[prime]-bi-2-naphthol (H
Publikováno v:
Journal of Molecular Catalysis. 76:157-163
Metallacyclobutadiene complexes with the formula (Me3SiCH2)4M2(μ-CSiMe3)2 (M = Ta or W) induce the ring-opening metathesis polymerization (ROMP) of norbornene. The tungsten compound acts as a stand-alone catalyst, polymerizing norbornene with a firs