Journal ArticleDOI
Tetrakisdimethylamidozirconium and its dimethylamido lithium adduct: Structures of [zr(nme2)4]2 and zr(nme2)6li2(thf)2
TLDR
In this article, the molecular structure of [Zr(NMe2)4]2 has been determined by an x-ray study and shown to involve a central Zr2N8 moiety involving the fusing of two trigonal bipyramidal units along a common axial-equatorial edge.About:
This article is published in Polyhedron.The article was published on 1988-01-01. It has received 59 citations till now. The article focuses on the topics: Trigonal planar molecular geometry & Trigonal bipyramidal molecular geometry.read more
Citations
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Journal ArticleDOI
Application of Amine Elimination for the Efficient Preparation of Electrophilic ansa-Monocyclopentadienyl Group 4 Complexes Containing an Appended Amido Functionality. Structural Characterization of [(C5H4)SiMe2(N-t-Bu)]ZrCl2(NMe2H)
TL;DR: The homologous series of ansa-monocyclopentadienyl amido complexes (C5H4)SiMe2(N-t-Bu)]M(NMe2)2 (M = Ti (2), Zr (3), Hf (4)), and ZrCl2(nMe2H)2 as discussed by the authors were prepared in 70−85% isolated yields.
Journal ArticleDOI
Efficient synthesis of chiral ansa-metallocenes by amine elimination. synthesis, structure, and reactivity of rac-(ebi)zr(nme2)2
TL;DR: In this article, the amine elimination reaction of Zr(NMe2)4 (2) and (EBI)H2 (1,2-bis(3-indenyl)ethane, 3) in toluene at 100 °C affords pure rac-4, EBI = ethylene-1, 2-bis (1-indienyl) in 68% isolated yield.
Journal ArticleDOI
Synthesis of group 4 metal rac-(ebi)m(nr2)2 complexes by amine elimination. scope and limitations
TL;DR: In this paper, the synthesis of (EBI)M(NR2)2 (M = Ti, Zr, Hf; EBI = ethylene-1,2-bis(1-indenyl)) complexes by amine elimination reactions of EBIH2 and M(NR 2)4 complexes has been investigated.
Journal ArticleDOI
Toward a general method for CCC N -heterocyclic carbene pincer synthesis: Metallation and transmetallation strategies for concurrent activation of three C–H bonds
Ramel J. Rubio,Gurusamy Thangavelu Senthil Andavan,Eike B. Bauer,T. Keith Hollis,Joon Cho,Fook S. Tham,Bruno Donnadieu +6 more
TL;DR: In this article, a general solution to the preparation of pincer complexes that require the formation of two N-heterocyclic carbenes and the activation of an aryl C-H bond is reported.
Journal ArticleDOI
Synthesis, structures, dynamics, and olefin polymerization behavior of group 4 metal (pyCAr2O)2M(NR2)2 complexes containing bidentate pyridine-alkoxide ancillary ligands
Il Kim,Yasushi Nishihara,Richard F. Jordan,Robin D. Rogers,Arnold L. Rheingold,Glenn P. A. Yap +5 more
TL;DR: The reaction of 2-lithiopyridine and the appropriate diarylketone followed by hydrolysis yields pyCAr2OH pyridine−alcohols (1a, Ar = 4-tBu−C6H4; 1b, pyCARM2OH = 2-pyridyl-9fluorenol; 1c, AR = 3-CF3...
References
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Journal ArticleDOI
Reactions of Metal-Metal Multiple Bonds. 10. Reactions of Mo2(OR)6 (M Triple Bond M) and (M(OR)4)x Compounds with Molecular Oxygen. Preparation and Characterization of Oxo-Alkoxides of Formula MoO2(OR)2, MoO2(OR)2(bpy), MoO(OR)4, Mo3O(OR)10, Mo4O8(OR)4(py)4 and Mo6O10(OR)12.
TL;DR: In this paper, it has been shown that the Mo=Mo bond in M02(OR)6 compounds is labile toward a number of oxidative-addition reactions, including those involving molecular oxygen.
Journal ArticleDOI
The tungsten-tungsten triple bond. 1. Preparation, properties, and structural characterization of hexakis(dimethylamido)ditungsten(III) and some homologs
Journal ArticleDOI
Crystal structure and optical and magnetic properties of tetrakis(diethylamido)uranium(IV), a five-coordinate dimeric complex in the solid state
John G. Reynolds,Allan Zalkin,David H. Templeton,Norman M. Edelstein,Lieselotte K. Templeton +4 more
TL;DR: The volatile U(IV) compound U(N(C/sub 2/H/sub 5/)/sub 2)/sub 4/ exhibits an unusual and possibly unique five coordination about the U ion for an f series ion.
Journal ArticleDOI
Structure and bonding in octaisopropoxydimolybdenum(IV)
Journal ArticleDOI
Mo(NMe2)6Li2(THF)2
TL;DR: In this paper, LiNMe2 was added to Mo(nMe2)6Li2(THF)2 in tetrahydrofuran to obtain an octahedral MoN6 moiety, and the lithium atoms were ligated by one THF molecule to complete the pseudo tetrahedral coordination of lithium.
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765. Metallo-organic compounds containing metal–nitrogen bonds. Part I. Some dialkylamino-derivatives of titanium and zirconium
D. C. Bradley,I. M. Thomas +1 more