Olefin oligomerization via metallacycles: dimerization, trimerization, tetramerization, and beyond
DS McGuinness - Chemical reviews, 2011 - ACS Publications
2. BACKGROUND Metallacycles of the transition metals were well-known and extensively
studied in the 1970s and 1980s8, 13, 14 and have been reviewed recently. 15, 16 …
studied in the 1970s and 1980s8, 13, 14 and have been reviewed recently. 15, 16 …
Advances in selective ethylene trimerisation–a critical overview
Linear alpha olefins such as 1-hexene are widely used in the chemical industry. Over the
past 15 years there has been considerable industrial interest in the selective trimerisation of …
past 15 years there has been considerable industrial interest in the selective trimerisation of …
Metallocene and related catalysts for olefin, alkyne and silane dimerization and oligomerization
C Janiak - Coordination chemistry reviews, 2006 - Elsevier
This review summarizes the use of metallocene complexes and related compounds as
catalysts in the dimerization or oligomerization of olefins (alkenes) or terminal acetylenes …
catalysts in the dimerization or oligomerization of olefins (alkenes) or terminal acetylenes …
A DFT study toward the mechanism of chromium-catalyzed ethylene trimerization
W Janse van Rensburg, C Grové, JP Steynberg… - …, 2004 - ACS Publications
A theoretical study of a mechanism for ethylene trimerization, catalyzed by Cr-pyrrolyl
complexes, is proposed and investigated with density functional theory methods. The …
complexes, is proposed and investigated with density functional theory methods. The …
Catalytic Oligomerization of Ethylene to Higher Linear α-Olefins Promoted by the Cationic Group 4 [(η5-Cp-(CMe2-bridge)-Ph)MII(ethylene)2]+ (M = Ti, Zr, Hf) …
S Tobisch, T Ziegler - Journal of the American Chemical Society, 2004 - ACS Publications
A detailed theoretical analysis is presented of the catalytic abilities of heavier group 4 (M=
Zr, Hf) metals for linear ethylene oligomerization with the cationic [(η5-C5H4-(CMe2-bridge) …
Zr, Hf) metals for linear ethylene oligomerization with the cationic [(η5-C5H4-(CMe2-bridge) …
Half-titanocenes for precise olefin polymerisation: Effects of ligand substituents and some mechanistic aspects
K Nomura, J Liu - Dalton Transactions, 2011 - pubs.rsc.org
Selected examples concerning effects of both cyclopentadienyl fragment (Cp′) and anionic
donor ligand (Y) in nonbridged modified half-titanocenes of the type, Cp′ TiX2 (Y)(X …
donor ligand (Y) in nonbridged modified half-titanocenes of the type, Cp′ TiX2 (Y)(X …
Catalytic linear oligomerization of ethylene to higher α-olefins: insight into the origin of the selective generation of 1-hexene promoted by a cationic cyclopentadienyl …
S Tobisch, T Ziegler - Organometallics, 2003 - ACS Publications
A detailed theoretical investigation is presented of crucial elementary steps of the selective
linear ethylene oligomerization to 1-hexene by the cationic [(η5-C5H4-(CMe2)-bridge) …
linear ethylene oligomerization to 1-hexene by the cationic [(η5-C5H4-(CMe2)-bridge) …
Ethylene Trimerization Catalysts Based on Chromium Complexes with a Nitrogen-Bridged Diphosphine Ligand Having ortho-Methoxyaryl or ortho-Thiomethoxy …
SJ Schofer, MW Day, LM Henling, JA Labinger… - …, 2006 - ACS Publications
Chromium-based ethylene trimerization catalyst precursors ((PNPOMe-d 12) CrPh3 (4) and
(PNPOMe-d 12) CrPh2Cl (7)) having a bis (diphenylphosphino) amine ligand (o …
(PNPOMe-d 12) CrPh2Cl (7)) having a bis (diphenylphosphino) amine ligand (o …
Groups 3 and 4 single-site catalysts for styrene–ethylene and styrene–α-olefin copolymerization
AS Rodrigues, JF Carpentier - Coordination Chemistry Reviews, 2008 - Elsevier
Styrene–ethylene and styrene–α-olefin copolymers are relatively new materials that were
developed since the early 1990s thanks to homogeneous single-site catalysts. A wide range …
developed since the early 1990s thanks to homogeneous single-site catalysts. A wide range …
Highly selective olefin trimerization catalysis by a borane-activated titanium trimethyl complex
A Sattler, JA Labinger, JE Bercaw - Organometallics, 2013 - ACS Publications
Reaction of a trimethyl titanium complex,(FI) TiMe3 (FI= phenoxy-imine), with 1 equiv of B
(C6F5) 3 gives [(FI) TiMe2][MeB (C6F5) 3], an effective precatalyst for the selective …
(C6F5) 3 gives [(FI) TiMe2][MeB (C6F5) 3], an effective precatalyst for the selective …