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Liu L, Mendoza-Espinosa D, Quiroz-Guzmán M, Rheingold AL, Hanna TA, Saha G, Tang L, Chen Y, Gilbert M, Dutta A, Asandei AD. Radical and Ring-Opening Polymerizations with Aryl-Substituted Methylene-Bridged Titanium Bisphenolates. Organometallics 2023. [DOI: 10.1021/acs.organomet.3c00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Lihua Liu
- Department of Chemistry, Texas Christian University, Box 298860, Fort Worth, Texas 76129, United States
| | - Daniel Mendoza-Espinosa
- Department of Chemistry, Texas Christian University, Box 298860, Fort Worth, Texas 76129, United States
| | - Mauricio Quiroz-Guzmán
- Department of Chemistry, Texas Christian University, Box 298860, Fort Worth, Texas 76129, United States
| | - Arnold L. Rheingold
- Department of Chemistry, UC San Diego, 9500 Gilman Drive, La Jolla, California 92093-0021, United States
| | - Tracy A. Hanna
- Department of Chemistry, Texas Christian University, Box 298860, Fort Worth, Texas 76129, United States
| | - Gobinda Saha
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
| | - Liming Tang
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
| | - Yanhui Chen
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
| | - Megan Gilbert
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
| | - Abhirup Dutta
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
| | - Alexandru D. Asandei
- Institute of Materials Science, Polymer Program and Department of Chemistry, University of Connecticut, Storrs, Connecticut 06062-3136, United States
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2
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Shephard ACG, Ali SH, Deacon GB, Junk PC. Carbon bridged biphenolate ligands in rare earth chemistry. NEW J CHEM 2022. [DOI: 10.1039/d2nj04358k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This review highlights rare earth biphenolates as they offer a diversity over simpler aryloxides, as well as their efficacy as catalysts and initiators in organic transformations and polymerisations.
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Affiliation(s)
- Angus C. G. Shephard
- College of Science & Engineering, James Cook University, Townsville, QLD, 4811, Australia
| | - Safaa H. Ali
- Department of Chemistry and Physiology, College of Veterinary Medicine, University of Thi-Qar, Al-Shatrah, Thi-Qar 64007, Iraq
| | - Glen B. Deacon
- School of Chemistry, Monash University, Clayton, VIC, 3800, Australia
| | - Peter C. Junk
- College of Science & Engineering, James Cook University, Townsville, QLD, 4811, Australia
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3
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Wang K, Luo XM, Chen P, Liu YQ, Liu B, Jiang HJ, Ju YC. Two Rare-Earth Complexes (Sm, La) Based on a Carbon-Bridged Bis(phenolate): Synthesis and Crystal Structures. RUSS J COORD CHEM+ 2019. [DOI: 10.1134/s1070328419030114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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4
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Naddeo M, Buonerba A, Luciano E, Grassi A, Proto A, Capacchione C. Stereoselective polymerization of biosourced terpenes β-myrcene and β-ocimene and their copolymerization with styrene promoted by titanium catalysts. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.10.028] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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5
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Tsurugi H, Yamamoto K, Rochat R, Mashima K. Non-bridged half-metallocene complexes of group 4–6 metals with chelating ligands as well-defined catalysts for α-olefin polymerization. Polym J 2014. [DOI: 10.1038/pj.2014.82] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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6
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Buonerba A, Fienga M, Milione S, Cuomo C, Grassi A, Proto A, Capacchione C. Binary Copolymerization of p-Methylstyrene with Butadiene and Isoprene Catalyzed by Titanium Compounds Showing Different Stereoselectivity. Macromolecules 2013. [DOI: 10.1021/ma401621v] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Antonio Buonerba
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Maria Fienga
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Stefano Milione
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Cinzia Cuomo
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Alfonso Grassi
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Antonio Proto
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
| | - Carmine Capacchione
- Dipartimento di Chimica e Biologia, Università degli Studi di Salerno, via Giovanni Paolo II, 132 I-84084 Fisciano (SA), Italy
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7
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Synthesis and characterization of samarium bis(phenolate) complexes and their catalytic activity for the polymerization of l-lactide. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.05.055] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Alesso G, Tabernero V, Cuenca T. Titanium and zirconium compounds stabilized by coordination of heteroscorpionate [N,N,O]-donor ligands. Synthesis, characterization and polymerization activity. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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9
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Alesso G, Tabernero V, Mosquera ME, Cuenca T. Studies on the active species in olefin polymerisation generated from phenoxo-amido titanium “chiral-at-metal” compounds. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.02.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Huang W, Sun W, Redshaw C. 2-(1-(Arylimino)propyl)quinolin-8-olate half-titanocene dichlorides: Synthesis, characterization and ethylene (co-)polymerization behaviour. Dalton Trans 2011; 40:6802-9. [DOI: 10.1039/c1dt10068h] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Sun WH, Liu S, Zhang W, Zeng Y, Wang D, Liang T. Syntheses, Characterization, and the Ethylene (Co-)Polymerization Screening of 2-Benzimidazolyl-N-phenylquinoline-8-carboxamide Half-Titanocene Chlorides. Organometallics 2010. [DOI: 10.1021/om9010033] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wen-Hua Sun
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
| | - Shaofeng Liu
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Wenjuan Zhang
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Yanning Zeng
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Deligeer Wang
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- Department of Chemistry, Inner Mongolia Normal University, Hohhot 010022, People's Republic of China
| | - Tongling Liang
- Key Laboratory of Engineering Plastics and Beijing Natural Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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12
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Buonerba A, Cuomo C, Speranza V, Grassi A. Crystalline Syndiotactic Polystyrene as Reinforcing Agent of cis-1,4-Polybutadiene Rubber. Macromolecules 2009. [DOI: 10.1021/ma901859e] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Antonio Buonerba
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy
- NANOMATES, Research Centre for NANOMAterials and nanoTEchnology at Salerno University, 84084 Fisciano (SA), Italy
| | - Cinzia Cuomo
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy
- NANOMATES, Research Centre for NANOMAterials and nanoTEchnology at Salerno University, 84084 Fisciano (SA), Italy
| | - Vito Speranza
- Dipartimento di Ingegneria Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy
| | - Alfonso Grassi
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy
- NANOMATES, Research Centre for NANOMAterials and nanoTEchnology at Salerno University, 84084 Fisciano (SA), Italy
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13
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Paniagua C, Mosquera MEG, Jacobsen H, Jiménez G, Cuenca T. M−Cl/Si−Cl Preferential Reactivity in Chlorosilyl-Substituted Cyclopentadienyl Early Transition Metal Complexes in Reactions with Amines: Key to Understanding the Nature of the Final Product. Organometallics 2009. [DOI: 10.1021/om9008026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cristina Paniagua
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares. Spain
| | - Marta E. G. Mosquera
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares. Spain
| | - Heiko Jacobsen
- KemKom, 1215 Ursulines Avenue, New Orleans, Louisiana 70116
| | - Gerardo Jiménez
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares. Spain
| | - Tomás Cuenca
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares. Spain
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14
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Tabernero V, Cuenca T, Mosquera ME, de Arellano CR. Early transition metal derivatives stabilised by the phenylenediamido 1,2-C6H4(NCH2tBu)2 ligand: Synthesis, characterisation and reactivity studies: Crystal structures of [Ta{1,2-C6H4(NCH2tBu)2}2Cl] and [Zr{(1,2-C6H4(NCH2tBu)2}(NMe2)(μ-NMe2)]2. Polyhedron 2009. [DOI: 10.1016/j.poly.2009.05.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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16
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Korobkov I, Gambarotta S. Aluminate Samarium(II) and Samarium(III) Aryloxides. Isolation of a Single-Component Ethylene Polymerization Catalyst. Organometallics 2009. [DOI: 10.1021/om900172n] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ilia Korobkov
- Department of Chemistry, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Sandro Gambarotta
- Department of Chemistry, University of Ottawa, Ottawa, ON K1N 6N5, Canada
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17
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Liu S, Yi J, Zuo W, Wang K, Wang D, Sun WH. N
-(2-benzimidazolylquinolin-8-yl)benzamidate half-titanocene chlorides: Synthesis, characterization and their catalytic behavior toward ethylene polymerization. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23413] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Xu XP, Qi RP, Xu B, Yao YM, Nie K, Zhang Y, Shen Q. Synthesis, reactivity and structural characterization of lanthanide hydroxides stabilized by a carbon-bridged bis(phenolate) ligand. Polyhedron 2009. [DOI: 10.1016/j.poly.2008.11.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Alesso G, Sanz M, Mosquera MEG, Cuenca T. Monocyclopentadienyl Phenoxido-Amino and Phenoxido-Amido Titanium Complexes: Synthesis, Characterisation, and Reactivity of Asymmetric Metal Centre Derivatives. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800553] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Zuo W, Zhang S, Liu S, Liu X, Sun W. Half‐titanocene complexes bearing dianionic 6‐benzimidazolylpyridyl‐2‐carboximidate ligands: Synthesis, characterization, and their ethylene polymerization. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pola.22693] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Weiwei Zuo
- Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shu Zhang
- Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shaofeng Liu
- Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xijie Liu
- Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Wen‐Hua Sun
- Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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21
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Qi R, Liu B, Xu X, Yang Z, Yao Y, Zhang Y, Shen Q. Synthesis, characterization and reactivity of heteroleptic rare earth metal bis(phenolate) complexes. Dalton Trans 2008:5016-24. [DOI: 10.1039/b804914a] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Cuomo C, Serra MC, Maupoey MG, Grassi A. Copolymerization of Styrene with Butadiene and Isoprene Catalyzed by the Monocyclopentadienyl Titanium Complex Ti(η5-C5H5)(η2-MBMP)Cl. Macromolecules 2007. [DOI: 10.1021/ma071312q] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cinzia Cuomo
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy, and Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, Edificio de Farmacia, 28871 Alcalá de Henares, Spain
| | - Maria Cristina Serra
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy, and Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, Edificio de Farmacia, 28871 Alcalá de Henares, Spain
| | - Marta Gonzalez Maupoey
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy, and Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, Edificio de Farmacia, 28871 Alcalá de Henares, Spain
| | - Alfonso Grassi
- Dipartimento di Chimica, Università di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy, and Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, Edificio de Farmacia, 28871 Alcalá de Henares, Spain
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23
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Yasumoto T, Yamagata T, Mashima K. Olefin Polymerization Catalyst Derived by Activation of a Neutral Monoalkyl Titanium Complex with an Aminopyrrole Ligand Using Triisobutylaluminum and Trityl Borate. CHEM LETT 2007. [DOI: 10.1246/cl.2007.1030] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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24
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Titanium(IV) complexes with monocyclopentadienyl and phenoxy-alkoxo ligands: Synthesis, structures and catalytic properties for ethylene polymerization. Polyhedron 2007. [DOI: 10.1016/j.poly.2007.03.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Nonbridged half-metallocenes containing anionic ancillary donor ligands: New promising candidates as catalysts for precise olefin polymerization. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.molcata.2006.11.006] [Citation(s) in RCA: 186] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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González‐Maupoey M, Cuenca T, Frutos LM, Castaño O, Herdtweck E, Rieger B. Alkylmono(cyclopentadienyl)titanium Complexes Containing the 2,2′‐Methylenebis(6‐
tert
‐butyl‐4‐methylphenoxido) Ligand – Studies on the Nature of the Catalytic Species Present in α‐Olefin Polymerisation Processes. Eur J Inorg Chem 2006. [DOI: 10.1002/ejic.200600710] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Marta González‐Maupoey
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain, Fax: +34‐91‐885‐4683
| | - Tomás Cuenca
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain, Fax: +34‐91‐885‐4683
| | - Luis Manuel Frutos
- Departamento de Química Física, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain
| | - Obis Castaño
- Departamento de Química Física, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain
| | - Eberhardt Herdtweck
- Anorganisch‐chemisches Institut, Technische Universität München, Lichtenberstrasse 4, 85747 Garching bei München, Germany
| | - Bernhard Rieger
- Abteilung Anorganische Chemie II, Universität Ulm, Albert‐Einstein‐Allee 11, 89069 Ulm, Germany
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27
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González-Maupoey M, Cuenca T, Herdtweck E. Monocyclopentadienyl Chloro Bisphenoxo Ti(η5-C5H4SiMe2Cl)(η2-MBMP)Cl Derivative: Ti−Cl, Ti−O, and Si−Cl Reactivity. Crystal Structure of Ti(η5-C5H4SiMe3)(η2-MBMP)Cl and Ti(η5-C5H4SiMe2-η1-MBMP)(CH2Ph)2. Organometallics 2006. [DOI: 10.1021/om060368q] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marta González-Maupoey
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain
| | - Tomás Cuenca
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain
| | - Eberhardt Herdtweck
- Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenberstrasse 4, D-85747 Garching bei München, Germany
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28
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Niobium-based ethylene polymerization procatalysts bearing di- and triphenolate ligands. Inorganica Chim Acta 2005. [DOI: 10.1016/j.ica.2005.05.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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29
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Xu X, Ma M, Yao Y, Zhang Y, Shen Q. Carbon-bridged biphenolate lanthanide complexes: synthesis and their catalytic activity for the Diels–Alder reaction. J Mol Struct 2005. [DOI: 10.1016/j.molstruc.2005.02.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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Xu X, Ma M, Yao Y, Zhang Y, Shen Q. Synthesis, Characterisation of Carbon-Bridged (Diphenolato)lanthanide Complexes and Their Catalytic Activity for Diels-Alder Reactions. Eur J Inorg Chem 2005. [DOI: 10.1002/ejic.200400519] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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31
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Tabernero V, Cuenca T. Studies of the Nature of the Catalytic Species in the α‐Olefin Polymerisation Processes Generated by the Reaction of Diamido(cyclopentadienyl)titanium Complexes with Aluminium Reagents as Cocatalysts. Eur J Inorg Chem 2005. [DOI: 10.1002/ejic.200400661] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Vanessa Tabernero
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares Spain, Fax: (internat.) + 34‐91‐8854683
| | - Tomás Cuenca
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares Spain, Fax: (internat.) + 34‐91‐8854683
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32
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Maestri AG, Brown SN. Titanatranes Derailed: Static and Dynamic Triethanolamine Slippage Induced by Polyphenoxide Chelation. Inorg Chem 2004; 43:6995-7004. [PMID: 15500337 DOI: 10.1021/ic0492901] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Aryloxytitanatranes [N(CH(2)CH(2)O)(3)]Ti[OC(6)H(2)-2,4-(t)()Bu(2)-6-CHPh(3)(-)(n)()(C(6)H(2)-3,5-(t)()Bu(2)-2-OH)(n)(-)(1)] (1, n = 1; 2, n = 2; 3, n = 3) containing aryloxides derived from substituted triphenylmethanes are formed in high yield in the reactions of the corresponding phenols with tert-butoxytitanatrane [N(CH(2)CH(2)O)(3)]Ti(O(t)()Bu). The aryloxytitanatranes adopt monomeric, trigonal bipyramidal structures, as confirmed by X-ray crystallography for 1 and 2. The compounds with pendant phenol groups display fluxional behavior due to interchange of the bound phenoxide with the free phenol groups, most likely via a mechanism involving displacement of one arm of the nitrilotriethoxide by the dangling phenol group. The amidotitanatrane [[N(CH(2)CH(2)O)(3)]Ti(NEt(2))](2) reacts with the bisphenol PhCH(C(6)H(2)-3,5-(t)()Bu(2)-2-OH)(2) to give a crystallographically characterized fully metalated cyclic octatitanium complex of the formula [PhCH(C(6)H(2)-3,5-(t)()Bu(2)-2-O)(2)Ti(2)[(OCH(2)CH(2))(3)N](2)](4) (4). The structure of 4 reveals a metallamacrocycle (minimum ring size = 28 members) consisting of four repeating unsymmetrical dititanium units. In each dititanium unit, there is an unprecedented slippage of the nitrilotriethoxide ligand such that both triethanolamine nitrogens coordinate to only one of the two titaniums, while the bisphenoxide is coordinated only to the other titanium. The propensity of the polyphenoxide ligands to chelate is attributed to favorable pi-bonding interactions attainable in the eight-membered chelate rings.
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Affiliation(s)
- Aaron G Maestri
- Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, Indiana 46556-5670, USA
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Tabernero V, Cuenca T, Herdtweck E. Preparation of Diamidochloro(cyclopentadienyl)titanium Derivatives as Pre‐Catalysts for Olefin Polymerization − X‐ray Molecular Structure of [Ti(η
5
‐C
5
H
5
){1,2‐C
6
H
4
(NCH
2
CH
2
CH
3
)
2
}Cl] and [Ti{η
5
‐C
5
H
4
(SiMe
3
)}{1,2‐C
6
H
4
(NCH
2
CH
2
CH
3
)
2
}Cl]. Eur J Inorg Chem 2004. [DOI: 10.1002/ejic.200400138] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Vanessa Tabernero
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain, Fax: + 34‐91‐8854683
| | - Tomás Cuenca
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain, Fax: + 34‐91‐8854683
| | - Eberhardt Herdtweck
- Anorganisch‐chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching bei München, Germany
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