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1
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All-polyethylene compositions of ultrahigh molecular weight polyethylene (UHMWPE) synthesized in one-step ethylene polymerization with combinations of zirconocene and iron-based catalysts. IRANIAN POLYMER JOURNAL 2023. [DOI: 10.1007/s13726-023-01141-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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2
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Qihua Zhou, Fang S, Li N, Cao X, Fan S, Wang X. Synthesis of Ultrahigh-Molecular-Weight Polyethylene with [OSNO]-type Bis(phenolate) Titanium Complexes. POLYMER SCIENCE SERIES B 2022. [DOI: 10.1134/s1560090422700440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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3
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Patel K, Chikkali SH, Sivaram S. Ultrahigh molecular weight polyethylene: Catalysis, structure, properties, processing and applications. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2020.101290] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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4
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Wang K, Gao Y, Yi J, Zhao N, Jin Y, He X, Liu B. Study of Silica‐Supported Chromocene Catalysts for Ethylene Polymerization. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kai Wang
- Shanghai Key Laboratory of Multiphase Material Chemical EngineeringEast China University of Science and Technology Shanghai 200237 China
| | - Yuli Gao
- PetroChina Petrochemical Research Institute Beijing 102206 China
| | - Jianjun Yi
- PetroChina Petrochemical Research Institute Beijing 102206 China
| | - Ning Zhao
- Shanghai Key Laboratory of Multiphase Material Chemical EngineeringEast China University of Science and Technology Shanghai 200237 China
| | - Yulong Jin
- College of Materials and EnergySouth China Agricultural University Guangzhou 510642 China
| | - Xuelian He
- Shanghai Key Laboratory of Multiphase Material Chemical EngineeringEast China University of Science and Technology Shanghai 200237 China
| | - Boping Liu
- College of Materials and EnergySouth China Agricultural University Guangzhou 510642 China
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5
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Guo L, Lian K, Kong W, Xu S, Jiang G, Dai S. Synthesis of Various Branched Ultra-High-Molecular-Weight Polyethylenes Using Sterically Hindered Acenaphthene-Based α-Diimine Ni(II) Catalysts. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00275] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lihua Guo
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China
| | - Kunbo Lian
- Chinese Academy of Science Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Wenyu Kong
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China
| | - Shuai Xu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China
| | - Guorun Jiang
- Chinese Academy of Science Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Shengyu Dai
- Chinese Academy of Science Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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6
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Gote RP, Mandal D, Patel K, Chaudhuri K, Vinod CP, Lele AK, Chikkali SH. Judicious Reduction of Supported Ti Catalyst Enables Access to Disentangled Ultrahigh Molecular Weight Polyethylene. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00590] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | | | | | - Krishnaroop Chaudhuri
- Academy of
Scientific
and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110001, India
| | | | | | - Samir H. Chikkali
- Academy of
Scientific
and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110001, India
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7
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Jin Y, Cheng R, He X, Liu Z, Zhao N, Liu B. The First Vanadium-Oxide-Based UHMWPE Catalyst Supported on Chemically Modified Silica Gel. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201600443] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yulong Jin
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
| | - Ruihua Cheng
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
| | - Xuelian He
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
| | - Zhen Liu
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
| | - Ning Zhao
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
| | - Boping Liu
- State Key Laboratory of Chemical Engineering; East China University of Science and Technology; Meilong Road 130 Shanghai 200237 China
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8
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Bashir MA, Monteil V, Boisson C, McKenna TFL. Avoiding leaching of silica supported metallocenes in slurry phase ethylene homopolymerization. REACT CHEM ENG 2017. [DOI: 10.1039/c7re00044h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Leaching of (n-BuCp)2ZrCl2/MAO catalyst from silica supports has been studied in slurry phase ethylene homopolymerisation by changing i) the polymerization protocol, ii) aluminum alkyl scavengers and iii) by adding butylated hydroxytoluene (BHT-H) along with aluminum alkyl scavengers.
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Affiliation(s)
- Muhammad Ahsan Bashir
- Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2)
- LCPP team
- Univ. Lyon 1
- CPE Lyon
- CNRS
| | - Vincent Monteil
- Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2)
- LCPP team
- Univ. Lyon 1
- CPE Lyon
- CNRS
| | - Christophe Boisson
- Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2)
- LCPP team
- Univ. Lyon 1
- CPE Lyon
- CNRS
| | - Timothy F. L. McKenna
- Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2)
- LCPP team
- Univ. Lyon 1
- CPE Lyon
- CNRS
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9
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Zhang XY, Liu DM, Lv XH, Sun M, Sun XL, Wan WM. RAFT-Polymerization-Induced Self-Assembly and Reorganizations: Ultrahigh-Molecular-Weight Polymer and Morphology-Tunable Micro-/Nanoparticles in One Pot. Macromol Rapid Commun 2016; 37:1735-1741. [DOI: 10.1002/marc.201600422] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 08/01/2016] [Indexed: 01/06/2023]
Affiliation(s)
- Xiao-Yun Zhang
- State Key Laboratory of Heavy Oil Processing; Centre for Bioengineering and Biotechnology; China University of Petroleum (East China); Qingdao 266580 China
| | - Dong-Ming Liu
- State Key Laboratory of Heavy Oil Processing; Centre for Bioengineering and Biotechnology; China University of Petroleum (East China); Qingdao 266580 China
| | - Xin-Hu Lv
- State Key Laboratory of Heavy Oil Processing; Centre for Bioengineering and Biotechnology; China University of Petroleum (East China); Qingdao 266580 China
| | - Miao Sun
- Institute of Chemical Engineering and Materials; Yantai University; Yantai 264005 China
| | - Xiao-Li Sun
- State Key Laboratory of Heavy Oil Processing; Centre for Bioengineering and Biotechnology; China University of Petroleum (East China); Qingdao 266580 China
| | - Wen-Ming Wan
- State Key Laboratory of Heavy Oil Processing; Centre for Bioengineering and Biotechnology; China University of Petroleum (East China); Qingdao 266580 China
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10
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Kohrt S, Kehr G, Daniliuc CG, Rojas RS, Rieger B, Troll C, Erker G. Borata-Alkene Derived Syntheses of (F5C6)2B-Substituted Bis(indenyl) Group 4 Metal Complexes. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00427] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sonja Kohrt
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - René S. Rojas
- Departamento
de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
| | - Bernhard Rieger
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, 85748 Garching bei München, Germany
| | - Carsten Troll
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, 85748 Garching bei München, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
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11
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Holtrichter-Rößmann T, Häger I, Daniliuc CG, Fröhlich R, Bergander K, Troll C, Rieger B, Rojas RS, Würthwein EU. Catalytically Active N-Acylamidine–Zirconium Complexes: Synthesis, Structures, and Application in Ethylene Polymerization. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00240] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thorsten Holtrichter-Rößmann
- Organisch-Chemisches
Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
- Chemtura Organometallics GmbH, Ernst Schering Straße 14, D-59192 Bergkamen, Germany
| | - Ina Häger
- Organisch-Chemisches
Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
| | | | - Roland Fröhlich
- Organisch-Chemisches
Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
| | - Klaus Bergander
- Organisch-Chemisches
Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
| | - Carsten Troll
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, D-85747 Garching, Germany
| | - Bernhard Rieger
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, D-85747 Garching, Germany
| | - René S. Rojas
- Departamento
de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Casilla 306, Santiago-22, Chile
| | - Ernst-Ulrich Würthwein
- Organisch-Chemisches
Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
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12
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Mu H, Pan L, Song D, Li Y. Neutral Nickel Catalysts for Olefin Homo- and Copolymerization: Relationships between Catalyst Structures and Catalytic Properties. Chem Rev 2015; 115:12091-137. [DOI: 10.1021/cr500370f] [Citation(s) in RCA: 253] [Impact Index Per Article: 28.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Hongliang Mu
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Li Pan
- School
of Material Science and Engineering, and Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China
| | - Dongpo Song
- Department
of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - Yuesheng Li
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- School
of Material Science and Engineering, and Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China
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13
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Pinkas J, Lamač M. Transformations of functional groups attached to cyclopentadienyl or related ligands in group 4 metal complexes. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.03.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Chen Z, Mesgar M, White PS, Daugulis O, Brookhart M. Synthesis of Branched Ultrahigh-Molecular-Weight Polyethylene Using Highly Active Neutral, Single-Component Ni(II) Catalysts. ACS Catal 2014. [DOI: 10.1021/cs501948d] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Zhou Chen
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Milad Mesgar
- Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Peter S. White
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Olafs Daugulis
- Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Maurice Brookhart
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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15
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Casas E, Paredes B, Escola JM, Martin C, van Grieken R. Ethylene Polymerization Over Ph 2
C(Cp)(2,7-t-Bu 2
Flu)ZrCl 2
Supported On SiO 2
-MAO. MACROMOL REACT ENG 2013. [DOI: 10.1002/mren.201300130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Emilio Casas
- Department of Chemical and Environmental Technology; ESCET; Rey Juan Carlos University; 28933, Móstoles Madrid Spain
| | - Beatriz Paredes
- Department of Chemical and Environmental Technology; ESCET; Rey Juan Carlos University; 28933, Móstoles Madrid Spain
| | - Jose María Escola
- Department of Chemical and Environmental Technology; ESCET; Rey Juan Carlos University; 28933, Móstoles Madrid Spain
| | | | - Rafael van Grieken
- Department of Chemical and Environmental Technology; ESCET; Rey Juan Carlos University; 28933, Móstoles Madrid Spain
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16
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Kulangara SV, Jabri A, Yang Y, Korobkov I, Gambarotta S, Duchateau R. Synthesis, X-ray Structural Analysis, and Ethylene Polymerization Studies of Group IV Metal Heterobimetallic Aluminum-Pyrrolyl Complexes. Organometallics 2012. [DOI: 10.1021/om300453a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shaneesh Vadake Kulangara
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O.Box 513, 5600 MB, The
Netherlands
| | - Amir Jabri
- Department
of Chemistry, University of Ottawa, Ottawa,
Ontario K1N 6N5, Canada
| | - Yun Yang
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O.Box 513, 5600 MB, The
Netherlands
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130,
Shanghai 200237, China
| | - Ilia Korobkov
- X-ray
Core Facility, Faculty of Science, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Sandro Gambarotta
- Department
of Chemistry, University of Ottawa, Ottawa,
Ontario K1N 6N5, Canada
| | - Rob Duchateau
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O.Box 513, 5600 MB, The
Netherlands
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17
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Hamaki H, Takeda N, Nabika M, Tokitoh N. Catalytic Activities for Olefin Polymerization: Titanium(III), Titanium(IV), Zirconium(IV), and Hafnium(IV) β-Diketiminato, 1-Aza-1,3-butadienyl–Imido, and 1-Aza-2-butenyl–Imido Complexes Bearing an Extremely Bulky Substituent, the Tbt Group (Tbt = 2,4,6-[(Me3Si)2CH]3C6H2). Macromolecules 2012. [DOI: 10.1021/ma2024107] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hirofumi Hamaki
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - Nobuhiro Takeda
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - Masaaki Nabika
- Petrochemicals Research Laboratory, Sumitomo Chemical Co., Ltd., 2−1 Kitasode, Sodegaura,
Chiba 299-0295, Japan
| | - Norihiro Tokitoh
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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18
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Cui P, Chen Y, Zhang Q, Li G, Xia W. Synthesis, and structural characterization of solvent-free divalent ytterbium bis(boratabenzene) and (cyclopentadienyl)(boratabenzene) complexes. J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2010.09.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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19
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Bouhadir G, Amgoune A, Bourissou D. Phosphine-Boranes and Related Ambiphilic Compounds. ADVANCES IN ORGANOMETALLIC CHEMISTRY VOLUME 58 2010. [DOI: 10.1016/b978-0-12-374784-6.00001-2] [Citation(s) in RCA: 130] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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Bebbington MWP, Bontemps S, Bouhadir G, Hanton MJ, Tooze RP, van Rensburg H, Bourissou D. A 1,1′-ferrocenyl phosphine-borane: synthesis, structure and evaluation in Rh-catalyzed hydroformylation. NEW J CHEM 2010. [DOI: 10.1039/c0nj00117a] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Stephan D, Erker G. Frustrated Lewis Pairs: Metal-free Hydrogen Activation and More. Angew Chem Int Ed Engl 2009; 49:46-76. [DOI: 10.1002/anie.200903708] [Citation(s) in RCA: 1641] [Impact Index Per Article: 109.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Stephan D, Erker G. Frustrierte Lewis-Paare: metallfreie Wasserstoffaktivierung und mehr. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200903708] [Citation(s) in RCA: 640] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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23
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Ostoja Starzewski A, Steinhauser N, Xin BS. Decisive Progress in Metallocene-Catalyzed Elastomer Synthesis. Macromolecules 2008. [DOI: 10.1021/ma8007306] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aleksander Ostoja Starzewski
- LANXESS Deutschland GmbH, 51368 Leverkusen, Germany, LANXESS Deutschland GmbH, Dormagen, Germany, and Bayer AG, Leverkusen, Germany
| | - Norbert Steinhauser
- LANXESS Deutschland GmbH, 51368 Leverkusen, Germany, LANXESS Deutschland GmbH, Dormagen, Germany, and Bayer AG, Leverkusen, Germany
| | - Bruce S. Xin
- LANXESS Deutschland GmbH, 51368 Leverkusen, Germany, LANXESS Deutschland GmbH, Dormagen, Germany, and Bayer AG, Leverkusen, Germany
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24
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Kang E, Kim S, Kim T, Chung J, Hahn JS, Ko J, Ok M, Cheong M, Kang SO. Structure–Catalytic Activity Relationship in Bridging Silacycloalkyl Ring Conformations of Constrained Geometry Titanium Complexes. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200701312] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Eugene Kang
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
| | - Sung‐Kwan Kim
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
| | - Tae‐Jin Kim
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
| | - Jae‐Ho Chung
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
| | - Jong Sok Hahn
- R&D Center, SK Corporation, 140‐1 Wonchon‐dong, Yuseong‐gu, Daejeon 305‐712, Korea
| | - Jaejung Ko
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
| | - Myung‐Ahn Ok
- R&D Center, SK Corporation, 140‐1 Wonchon‐dong, Yuseong‐gu, Daejeon 305‐712, Korea
| | - Minserk Cheong
- Department of Chemistry and Research Institute for Basic Sciences, Kyung Hee University, Seoul 130‐701, Korea
| | - Sang Ook Kang
- Department of Chemistry, Korea University, 208 Seochang, Chochiwon, Chung‐nam 339‐700, Korea, Fax: +82‐41‐867‐5396
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25
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Santi S, Orian L, Donoli A, Durante C, Bisello A, Ganis P, Ceccon A, Crociani L, Benetollo F. Charge Transfer through Isomeric Unsaturated Hydrocarbons. Redox Switchable Optical Properties and Electronic Structure of Substituted Indenes with a Pendant Ferrocenyl. Organometallics 2007. [DOI: 10.1021/om700673m] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Kunz K, Vitze H, Bolte M, Lerner HW, Wagner M. Mn(CO)2 Complexes of Cyclopentadienyl/Scorpionate Hybrid Ligands. Organometallics 2007. [DOI: 10.1021/om700450j] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kerstin Kunz
- Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 7, D-60438 Frankfurt (Main), Germany
| | - Hannes Vitze
- Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 7, D-60438 Frankfurt (Main), Germany
| | - Michael Bolte
- Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 7, D-60438 Frankfurt (Main), Germany
| | - Hans-Wolfram Lerner
- Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 7, D-60438 Frankfurt (Main), Germany
| | - Matthias Wagner
- Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 7, D-60438 Frankfurt (Main), Germany
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Joe DJ, Wu CJ, Bok T, Lee EJ, Lee CH, Han WS, Kang SO, Lee BY. o-Phenylene-bridged Cp/sulfonamido titanium complexes for ethylene/1-octene copolymerization. Dalton Trans 2006:4056-62. [PMID: 17028715 DOI: 10.1039/b605345a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Suzuki-coupling reaction of 2-(dihydroxyboryl)-3,4-dimethyl-2-cyclopenten-1-one and 2-(dihydroxyboryl)-3-methyl-2-cyclopenten-1-one with 2-bromoaniline derivatives affords cyclopentenone compounds from which cyclopentadiene compounds, 4,6-R'(2)-2-(2,5-Me2C5H3)C6H2NH2 and 4,6-R'(2)-2-(2,3,5-Me3C5H2)C6H2NH2 are prepared. After sulfonation of the -NH2 group with p-TsCl, metallation is carried out by successive addition of Ti(NMe2)4 and Me2SiCl2 affording o-phenylene-bridged Cp/sulfonamido titanium dichloride complexes, [4,6-R'(2)-2-(2,5-Me2C5H2)C6H2NSO2C6H4CH3)]TiCl2 (R'=H, ; R'=Me, ; R'=F, ) and [4,6-R'(2)-2-(2,3,5-Me3C5H)C6H2NSO2C6H4CH3)]TiCl2 (R'=H, ; R'=Me, ; R'=F, ). The molecular structures of and [2-(2,5-Me2C5H2)C6H4NSO2C6H4CH3)]Ti(NMe2)2 are determined by X-ray crystallography. The Cp(centroid)-Ti-N angle in is smaller (100.90 degrees) than that observed for the CGC (constrained-geometry catalyst), [Me2Si(eta5-Me4Cp)(NtBu)]TiCl2 (107.6 degrees) indicating a more "constrained feature" in than in the CGC. Complex shows the highest activity among the newly prepared complexes in ethylene/1-octene copolymerization but it is slightly inferior to the CGC in terms of activity, comonomer-incorporation ability, and molecular weight of the obtained polymers.
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Affiliation(s)
- Dae June Joe
- Department of Molecular Science and Technology, Ajou University, Suwon, 443-749, Korea
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