1
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Fu Y, Tang J, Hua J. Ultrahigh activity and broad temperature resistance of amine-imine cobalt precatalysts for butadiene polymerization. Dalton Trans 2023; 52:13146-13153. [PMID: 37655753 DOI: 10.1039/d3dt02460a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
A series of amine-imine cobalt complexes (Co1-Co7) has been prepared and characterized. The complexes Co3, Co4, and Co6 have a distorted tetrahedral geometry, as determined by single crystal X-ray diffraction. In the presence of ethylaluminum sesquichloride (EASC), Co3 exhibited ultra-high activity toward butadiene (Bd) polymerization (up to 7813 kgpolymer mol-1 h-1). The activity is higher than any yet recorded for which yield high cis-1,4 polybutadiene by the well-defined late-transition metal catalytic system. The catalyst also exhibited excellent tolerance towards the ratio of Co/Bd and broad temperature stability. At a ratio of Bd/Co3 = 50 000, the complexes Co1-3 can afford polybutadiene with yields higher than 96% within 2 hours. At -20 °C to 100 °C, the complex Co3 afforded relatively high polymer yields at low catalyst concentrations (Bd/Co3 = 25 000). In addition, all polymers showed a relatively high molecular weight (up to 1.06 × 106 g mol-1).
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Affiliation(s)
- Yuan Fu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao 266042, P.R. China.
| | - Jian Tang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao 266042, P.R. China.
| | - Jing Hua
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao 266042, P.R. China.
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2
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Ricci G, Leone G, Zanchin G, Sommazzi A, Masi F, Forni A. Cobalt dichloride complexes with pyridyl-phosphine bidentate ligands: synthesis, characterization, and behavior in the polymerization of 1,3-butadiene. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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3
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Fang L, Zhao WP, Zhang CY, Zhang XQ, Shen XD, Liu H, Kakuchi T. Highly Efficient and Thermal Robust Cobalt Complexes for 1,3-Butadiene Polymerization. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2758-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Qin Y, Wang F, Wang X, Zhang C, Liu H, Wu G, Zhang X. Thermally robust α-diimine nickel complexes for 1,3-Butadiene polymerization enhanced by intra-ligand H…F interaction. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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5
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Liu L, Wang F, Zhang C, Liu H, Wu G, Zhang X. Thermally robust α-diimine nickel and cobalt complexes for Cis-1,4 selective 1,3-butadiene polymerizations. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2021.112044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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6
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Ricci G, Pampaloni G, Sommazzi A, Masi F. Dienes Polymerization: Where We Are and What Lies Ahead. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00004] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Giovanni Ricci
- CNR-Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC), Via A. Corti 12, I-20133 Milano, Italy
| | - Guido Pampaloni
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Moruzzi 13, I-56124 Pisa, Italy
| | - Anna Sommazzi
- Centro Ricerca Novara, Versalis S.p.A., Via G. Fauser 4, I-28100 Novara, Italy
| | - Francesco Masi
- R&D Partner Catalysis, Versalis S.p.A., Piazza Boldrini 1, I-20097 San Donato Milanese (MI), Italy
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7
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Monoanionic triketiminate ligands: Peculiarity of coordination mode to lithium and rare earth ions. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119623] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Wang F, Liu H, Hu Y, Zhang X. Influence of imine‐
carbon
substituent in 6‐bromo‐2‐iminopyridine‐based cobalt(II) complexes on 1,3‐butadiene polymerization. POLYM INT 2019. [DOI: 10.1002/pi.5854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Feng Wang
- School of Chemical EngineeringChangchun University of Technology Changchun Jilin China
| | - Heng Liu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite MaterialsChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin China
| | - Yanming Hu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite MaterialsChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin China
| | - Xuequan Zhang
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite MaterialsChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin China
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9
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Zhao M, Wang L, Mahmood Q, Jing C, Zhu G, Zhang X, Wang X, Wang Q. Controlled isoprene polymerization mediated by iminopyridine-iron (II) acetylacetonate pre-catalysts. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4836] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mengmeng Zhao
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
| | - Liang Wang
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
| | - Qaiser Mahmood
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
| | - Chuyang Jing
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
- Center of Materials Science and Optoelectronics Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Guangqian Zhu
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
- Center of Materials Science and Optoelectronics Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Xianhui Zhang
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
- Center of Materials Science and Optoelectronics Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Xiaowu Wang
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
| | - Qinggang Wang
- Key Laboratory of Biobased Materials; Qingdao Institute of Biomass Energy and Bioprocess Technology, Chinese Academy of Sciences; Qingdao 266000 China
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10
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Fang L, Zhao W, Han C, Liu H, Hu Y, Zhang X. Isoprene Polymerization with Pyrazolylimine Cobalt(II) Complexes: Manipulation of 3,4‐Selectivities by Ligand Design and Use of Triphenylphosphine. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801107] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Liang Fang
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry Chinese Academy of Sciences 5625 Renmin Street 130022 Changchun PR China
| | - Wenpeng Zhao
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry Chinese Academy of Sciences 5625 Renmin Street 130022 Changchun PR China
- Changchun Institute of Applied Chemistry University of Chinese Academy of Sciences 100039 Beijing PR China
| | - Chao Han
- School of Materials Science and Engineering Changchun Institute of Applied Chemistry Shenyang University of Chemical Technology Shenyang Liaoning China
| | - Heng Liu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry Chinese Academy of Sciences 5625 Renmin Street 130022 Changchun PR China
| | - Yanming Hu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry Chinese Academy of Sciences 5625 Renmin Street 130022 Changchun PR China
| | - Xuequan Zhang
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry Chinese Academy of Sciences 5625 Renmin Street 130022 Changchun PR China
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11
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Fang L, Zhao WP, Han C, Zhang CY, Liu H, Hu YM, Zhang XQ. 1,3-Butadiene Polymerizations Catalyzed by Cobalt and Iron Dichloride Complexes Bearing Pyrazolylimine Ligands. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-019-2198-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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12
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Cobalt (II) complexes bearing N , N , S tridentate ligands as precatalysts for 1,3-butadiene polymerization. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.10.035] [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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13
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Mono- and Binuclear Cobalt(II) Complexes Supported by Quinoline-2-imidate Ligands: Synthesis, Characterization, and 1,3-Butadiene Polymerization. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-018-2097-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Skvortsov GG, Cherkasov AV, Trifonov AA. Triketiminate bis(borohydride) complexes of rare-earth metals [(2,6-Me2C6H3N=CMe)2C(2,6-Me2C6H3N=CBut)]Ln(BH4)2(THF)2 (Ln = Y, Nd): synthesis, structure, and catalytic activity in polymerization of rac-lactide, ε-caprolactone, and isoprene. Russ Chem Bull 2017. [DOI: 10.1007/s11172-017-1939-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Alnajrani MN, Mair FS. Bidentate forms of β-triketimines: syntheses, characterization and outstanding performance of enamine–diimine cobalt complexes in isoprene polymerization. Dalton Trans 2016; 45:10435-46. [DOI: 10.1039/c6dt01064d] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
When a normally tridentate β-triketimine ligand binds to Co(ii) in a bidentate enamine–diimine form, is partnered with the weakly co-ordinating BArF anion and activated with ethylaluminiumsesquichoride, the most active catalyst yet found forcis-1,4-selective polymerization of isoprene results.
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Affiliation(s)
| | - Francis S. Mair
- School of Chemistry
- The University of Manchester
- Chemistry Building
- Manchester
- UK
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16
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Gong D, Zhang X, Huang KW. Regio- and stereo-selective polymerization of 1,3-butadiene catalyzed by phosphorus–nitrogen PN3-pincer cobalt(ii) complexes. Dalton Trans 2016; 45:19399-19407. [DOI: 10.1039/c6dt03722d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new family of cobalt complexes (CoCl2-H, CoCl2-Me, CoCl2-iPr, CoBr2-H, CoBr2-Me, CoBr2-iPr, CoI2-H, CoI2-Me, and CoI2-iPr) supported by a PN3 ligand (6-(N,N′-di-t-butylphosphino)-2-pyrazol-yl-aminopyridine) have been prepared and fully characterized by FT-IR, elemental analysis, and X-ray analysis.
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Affiliation(s)
- Dirong Gong
- Division of Physical Sciences and Engineering and KAUST Catalysis Center
- King Abdullah University of Science and Technology
- Thuwal 23955-6900
- Saudi Arabia
- Faculty of Materials Science and Chemical Engineering
| | - Xuequan Zhang
- Key Laboratory of Synthetic Rubber
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Kuo-Wei Huang
- Division of Physical Sciences and Engineering and KAUST Catalysis Center
- King Abdullah University of Science and Technology
- Thuwal 23955-6900
- Saudi Arabia
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17
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Alnajrani MN, Alshmimri SA, Alsager OA. Alpha and beta diimine cobalt complexes in isoprene polymerization: a comparative study. RSC Adv 2016. [DOI: 10.1039/c6ra23308b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Isoprene was polymerized by diimine cobalt catalyst in the presence of DEAC to produce cis-1,4 and 3,4 polyisoprene.
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Affiliation(s)
| | - Sultan A. Alshmimri
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Kingdom of Saudi Arabia
| | - Omar A. Alsager
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Kingdom of Saudi Arabia
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18
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Highly active and stereospecific polymerization of 1,3-butadiene catalyzed by bis{[2-(4,5-diphenylimidazolyl)phenylimino]phenolate}cobalt(II) complexes. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.09.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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Alnajrani MN, Mair FS. The behaviour of β-triketimine cobalt complexes in the polymerization of isoprene. RSC Adv 2015. [DOI: 10.1039/c5ra06792h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cobalt complexes of β-triketimines activated by Et2AlCl polymerize isoprene to give up to 80%cis-1,4 with 20% 3,4 polymer, at 35 °C.
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Affiliation(s)
- Mohammed N. Alnajrani
- Organic Materials Innovation Centre
- School of Chemistry
- The University of Manchester
- Manchester M13 9PL
- UK
| | - Francis S. Mair
- Organic Materials Innovation Centre
- School of Chemistry
- The University of Manchester
- Manchester M13 9PL
- UK
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