1
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Mankaev BN, Karlov SS. Metal Complexes in the Synthesis of Biodegradable Polymers: Achievements and Prospects. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6682. [PMID: 37895663 PMCID: PMC10608263 DOI: 10.3390/ma16206682] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/05/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023]
Abstract
This review describes recent advances in the synthesis of homopolymers of lactide and related cyclic esters via ring-opening polymerization (ROP) in the presence of metal complexes based on group 1, 2, 4, 12, 13 and 14 metals. Particular attention is paid to the influence of the initiator structure on the properties of the obtaining homo- and copolymers. Also, a separate chapter is devoted to the study of metal complexes in the synthesis of copolymers of lactide and lactones. This review highlights the efforts made over the last ten years or so, and shows how main-group metals have received increasing attention in the field of the polymerization of lactide and related cyclic esters.
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Affiliation(s)
- Badma N. Mankaev
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia;
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, 119991 Moscow, Russia
| | - Sergey S. Karlov
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia;
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, 119991 Moscow, Russia
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2
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Kumar K, Singh R, Kaur V. Synthesis, structure and hydrolysis studies of pseudostannatranes: Kinetic studies of a hexanuclear tin(IV) hydroxo-cluster formed via reverse Kocheshkov reaction and partial hydrolysis of pseudostannatrane. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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3
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Hu M, Song X, Wang F, Zhang W, Ma W, Han F. Ring-opening polymerization of rac-lactide catalyzed by magnesium and zinc complexes supported by an NNO ligand. NEW J CHEM 2022. [DOI: 10.1039/d1nj05157a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of magnesium and zinc complexes containing unsymmetric tertiary amine ligands and their catalytic properties for polymerization of rac-lactide.
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Affiliation(s)
- Minggang Hu
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
- Heilongjiang Provincial Key Laboratory of Catalytic Synthesis for Fine Chemicals, Qiqihar University, Qiqihar, 161006, China
| | - Xinfeng Song
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
| | - Fugui Wang
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
| | - Wenzhi Zhang
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
| | - Wenhui Ma
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
| | - Fuzhong Han
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, 161006, China
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4
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Comparison of L-lactide polymerization by using magnesium complexes bearing 2-(arylideneamino)phenolate and 2-((arylimino)methyl)phenolate ligands. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Van Craen D, Flynn IG, Carta V, Flood AH. Bimetallic Bis-anion Cascade Complexes of Magnesium in Nonaqueous Solution. Inorg Chem 2020; 59:5939-5948. [DOI: 10.1021/acs.inorgchem.9b03710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- David Van Craen
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Ian G. Flynn
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Veronica Carta
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Amar H. Flood
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
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6
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Devaine-Pressing K, Oldenburg FJ, Menzel JP, Springer M, Dawe LN, Kozak CM. Lithium, sodium, potassium and calcium amine-bis(phenolate) complexes in the ring-opening polymerization of rac-lactide. Dalton Trans 2020; 49:1531-1544. [PMID: 31930245 DOI: 10.1039/c9dt04561a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Compounds of Li, Na, K and Ca of a tetradentate amino-bis(phenolato) ligand were prepared. Bimetallic compounds formulated as M2[L](THF)n (where M = Na, n = 1 (1·THF) or Li, n = 1 (2·THF)) were synthesized via the reaction of H2[L] (where [L] = 2-pyridylmethylamino-N,N-bis(2-methylene-4-methoxy-6-tert-butylphenolato) with sodium hydride or n-butyllithium, respectively, in THF. Monometallic complexes MH[L](THF)n (where M = Na, n = 1 (3·THF), Li, n = 0 (4) and K, n = 0 (5)) were obtained by reaction of H2[L] with MN(SiMe3)2 where M = Na, Li, or K. Calcium complex Ca[L](THF) (6·THF) was synthesized in two ways; reaction of Na2[L] with calcium iodide in THF, and reaction of Ca[N(SiMe3)2]2 with H2[L] in toluene. Compounds 1-6 exhibit activity for rac-lactide polymerization under melt and solution conditions. Moderate control of polymer molecular weights was achieved in toluene, whereas polydisperse polymer was obtained under solvent free conditions. MALDI-TOF MS analysis of the polymer end groups revealed a predominantly cyclic nature for the polylactides.
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Affiliation(s)
- Katalin Devaine-Pressing
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland, A1B 3X7, Canada.
| | - Fabio J Oldenburg
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland, A1B 3X7, Canada.
| | - Jan P Menzel
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland, A1B 3X7, Canada.
| | - Maximilian Springer
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland, A1B 3X7, Canada.
| | - Louise N Dawe
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, Waterloo, Ontario N2L 3C5, Canada
| | - Christopher M Kozak
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland, A1B 3X7, Canada.
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7
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Ghosh S, Wölper C, Tjaberings A, Gröschel AH, Schulz S. Syntheses, structures and catalytic activity of tetranuclear Mg complexes in the ROP of cyclic esters under industrially relevant conditions. Dalton Trans 2020; 49:375-387. [PMID: 31829382 DOI: 10.1039/c9dt04359d] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Tetranuclear magnesium imino(phenolate) complexes Mg4(L1–4)4 are excellent catalysts for the ROP of bulk rac-lactide and ε-caprolactone under industrially relevant conditions.
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Affiliation(s)
- Swarup Ghosh
- Faculty of Chemistry
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- D-45141 Essen
- Germany
| | - Christoph Wölper
- Faculty of Chemistry
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- D-45141 Essen
- Germany
| | - Alexander Tjaberings
- Faculty of Chemistry
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- NanoEnergieTechnikZentrum
- 47057 Duisburg
- Germany
| | - André H. Gröschel
- Faculty of Chemistry
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- NanoEnergieTechnikZentrum
- 47057 Duisburg
- Germany
| | - Stephan Schulz
- Faculty of Chemistry
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- D-45141 Essen
- Germany
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8
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Hua L, Li B, Han C, Gao P, Wang Y, Yuan D, Yao Y. Synthesis of Homo- and Heteronuclear Rare-Earth Metal Complexes Stabilized by Ethanolamine-Bridged Bis(phenolato) Ligands and Their Application in Catalyzing Reactions of CO2 and Epoxides. Inorg Chem 2019; 58:8775-8786. [DOI: 10.1021/acs.inorgchem.9b01169] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Linyan Hua
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Baoxia Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Cuiting Han
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Pengfei Gao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yaorong Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Dan Yuan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yingming Yao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People’s Republic of China
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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9
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Ghosh S, Spannenberg A, Mejía E. Cubane-Type Polynuclear Zinc Complexes Containing Tridentate Schiff
Base Ligands: Synthesis, Characterization, and Ring-Opening Polymerization Studies of rac
-Lactide and ε
-Caprolactone. Helv Chim Acta 2017. [DOI: 10.1002/hlca.201700176] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Swarup Ghosh
- Leibniz Institute for Catalysis; University of Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Anke Spannenberg
- Leibniz Institute for Catalysis; University of Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Esteban Mejía
- Leibniz Institute for Catalysis; University of Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
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10
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Tian LL, Wu BB, Wang ZX. Crown ether complexes of sodium and potassium 2-(benzotriazol-2-yl)phenolates: Synthesis and catalysis towards the ring-opening polymerization of rac-lactide. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1381925] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Lu-Lu Tian
- Department of Chemistry, University of Science and Technology of China and CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei, Anhui, P. R. China
| | - Bing-Bing Wu
- Department of Chemistry, University of Science and Technology of China and CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei, Anhui, P. R. China
| | - Zhong-Xia Wang
- Department of Chemistry, University of Science and Technology of China and CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei, Anhui, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, P. R. China
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11
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Synthesis of Li(I), Zn(II) and Mg(II) complexes of amine bis(phenolates) and their exploitation for the ring opening polymerisation of rac-lactide. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.08.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Nifant'ev IE, Shlyakhtin AV, Bagrov VV, Minyaev ME, Churakov AV, Karchevsky SG, Birin KP, Ivchenko PV. Mono-BHT heteroleptic magnesium complexes: synthesis, molecular structure and catalytic behavior in the ring-opening polymerization of cyclic esters. Dalton Trans 2017; 46:12132-12146. [PMID: 28869269 DOI: 10.1039/c7dt02469j] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Numerous heteroleptic 2,6-di-tert-butyl-4-methylphenolate (BHT) magnesium complexes have been synthesized by treatment of (BHT)MgBu(THF)2 with various alcohols. Molecular structures of the complexes have been determined by X-ray diffraction. The magnesium coordination number in [(BHT)Mg(μ-OBn)(THF)]2 (3) and [(BHT)Mg(μ-O-tert-BuC6H4)(THF)]2 (4) is equal to 4. Complexes formed from esters of glycolic and lactic acids, [(BHT)Mg(μ-OCH2COOEt)(THF)]2 (5) and [(BHT)Mg(μ-OCH(CH3)COOCH2COOtBu)(THF)]2 (6) contain chelate fragments with pentacoordinated magnesium. Compounds 3-6 contain THF molecules coordinated to magnesium atoms. Complex {(BHT)Mg[μ-O(CH2)3CON(CH3)2]}2 (7) does not demonstrate any tendency to form an adduct with THF. It has been experimentally determined that complexes 3 and 5 are highly active catalysts of lactide polymerization. The activity of 4 is rather low, and complex 7 demonstrates moderate productivity. According to DOSY NMR experiments, compounds 3 and 5 retain their dimeric structures even in THF. The free energies of model dimeric [(DBP)Mg(μ-OMe)(Sub)]2 and monomeric (DBP)Mg(OMe)(Sub)2 products on treatment of [(DBP)Mg(μ-OMe)(THF)]2 with a series of σ-electron donors (Sub) have been estimated by DFT calculations. These results demonstrate that the substitution of THF by Sub in a dimeric molecule is an energetically allowed process, whereas the dissociation of dimers is energetically unfavorable. DFT modeling of ε-CL and (dl)-lactide ROP catalyzed by dimeric and monomeric complexes showed that a cooperative effect of two magnesium atoms occurs within the ROP for binuclear catalytic species. A comparison of the reaction profiles for ROP catalyzed by binuclear and mononuclear species allowed us to conclude that the binuclear mechanism is favorable in early stages of ROP initiated by dimers 3 and 5.
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Affiliation(s)
- I E Nifant'ev
- M.V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation. and A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - A V Shlyakhtin
- M.V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation.
| | - V V Bagrov
- M.V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation.
| | - M E Minyaev
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - A V Churakov
- N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Prospect, 119991, Moscow, Russian Federation
| | - S G Karchevsky
- Institute of Petroleum Refining and Petrochemistry of the Republic of Bashkortostan, 12 Iniciativnaya Str., 450065, Ufa, Russian Federation
| | - K P Birin
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31 Leninsky Prospect, Building 4, 119071, Moscow, Russian Federation
| | - P V Ivchenko
- M.V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation. and A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
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13
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Wu BB, Tian LL, Wang ZX. Ring-opening polymerization of rac-lactide catalyzed by crown ether complexes of sodium and potassium iminophenoxides. RSC Adv 2017. [DOI: 10.1039/c7ra03394j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Crown ether complexes of sodium and potassium iminophenoxides were demonstrated to catalyze the stereoselective polymerization of rac-lactide.
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Affiliation(s)
- Bing-Bing Wu
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at Microscale
- Department of Chemistry
- University of Science and Technology of China
- Hefei
| | - Lu-Lu Tian
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at Microscale
- Department of Chemistry
- University of Science and Technology of China
- Hefei
| | - Zhong-Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at Microscale
- Department of Chemistry
- University of Science and Technology of China
- Hefei
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14
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Wu BB, Wang ZX. Crown ether complexes of potassium quinolin-8-olates: synthesis, characterization and catalysis toward the ring-opening polymerization of rac-lactide. RSC Adv 2017. [DOI: 10.1039/c7ra01186e] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Crown ether complexes of potassium quinolin-8-olates were synthesized and demonstrated to catalyze the stereoselective polymerization of rac-lactide.
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Affiliation(s)
- Bing-Bing Wu
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry
- University of Science and Technology of China
- Hefei
- People's Republic of China
| | - Zhong-Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry
- University of Science and Technology of China
- Hefei
- People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
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15
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Kirk SM, Quilter HC, Buchard A, Thomas LH, Kociok-Kohn G, Jones MD. Monomeric and dimeric Al(iii) complexes for the production of polylactide. Dalton Trans 2016; 45:13846-52. [DOI: 10.1039/c6dt02861f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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