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Zenner J, Tran K, Kang L, Kinzel NW, Werlé C, DeBeer S, Bordet A, Leitner W. Synthesis, Characterization, and Catalytic Application of Colloidal and Supported Manganese Nanoparticles. Chemistry 2024; 30:e202304228. [PMID: 38415315 DOI: 10.1002/chem.202304228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 02/29/2024]
Abstract
Colloidal and supported manganese nanoparticles were synthesized following an organometallic approach and applied in the catalytic transfer hydrogenation (CTH) of aldehydes and ketones. Reaction parameters for the preparation of colloidal nanoparticles (NPs) were optimized to yield small (2-2.5 nm) and well-dispersed NPs. Manganese NPs were further immobilized on an imidazolium-based supported ionic phase (SILP) and characterized to evaluate NP size, metal loading, and oxidation states. Oxidation of the Mn NPs by the support was observed resulting in an average formal oxidation state of +2.5. The MnOx@SILP material showed promising performance in the CTH of aldehydes and ketones using 2-propanol as a hydrogen donor, outperforming previously reported Mn NPs-based CTH catalysts in terms of metal loading-normalized turnover numbers. Interestingly, MnOx@SILP were found to lose activity upon air exposure, which correlates with an additional increase in the average oxidation state of Mn as revealed by X-ray absorption spectroscopic studies.
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Affiliation(s)
- Johannes Zenner
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
| | - Kelly Tran
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
| | - Liqun Kang
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
| | - Niklas W Kinzel
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
| | - Christophe Werlé
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
- Ruhr University Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
| | - Alexis Bordet
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
| | - Walter Leitner
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim, Germany
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
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Boyle TJ, Guerrero F, Alam TM, Dunnigan KA, Sears JM, Wheeler DR. Trapped Intermediate of a Meerwein-Pondorf-Verley Reduction of Hydroxy Benzaldehyde to a Dialkoxide by Titanium Alkoxides. Inorg Chem 2020; 59:880-890. [PMID: 31840987 DOI: 10.1021/acs.inorgchem.9b03134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of titanium alkoxides ([Ti(OR)4] (OR = OCH(CH3)2 (OPri), OC(CH3)3 (OBut), and OCH2C(CH3)3 (ONep)) were modified with a set of substituted hydroxyl-benzaldehydes [HO-BzA-Lx: x = 1, 2-hydroxybenzaldehyde (L = H), 2-hydroxy-3-methoxybenzaldehyde (OMe-3), 5-bromo-2-hydroxybenzaldehyde (Br-5), 2-hydroxy-5-nitrobenzaldehyde (NO2-5); x = 2, 3,5-di-tert-butyl-2-hydroxybenzaldehyde (But-3,5), 2-hydroxy-3,5-diiodobenzaldehyde (I-3,5)] in pyridine (py). Instead of the expected simple substitution, each of the HO-BzA-Lx modifiers were reduced to their respective diol [(py)(OR)2Ti(κ2(O,μ-O')(OC6H4-x(CH2O)-2)(L)x] (OR = OPri, x = 1, L = H (1a), OMe-3 (2a), Br-5 (3a·py), NO2-5 (4a·4py); x = 2, But-3,5 (5a), I-3,5 (6a), ONep; x = 1, L = H (1b), OMe-3 (2b), Br-5 (3b·py), NO2-5 (4b); x = 2, But-3,5 (5b), I-3,5 (6b·py)), as identified by single crystal X-ray studies. The 1H NMR spectral data were complex at room temperature but simplified at high temperatures (70 °C). Diffusion ordered spectroscopy (DOSY) NMR experiments indicated that 2a maintained the dinuclear structure in a solution independent of the temperature, whereas 2b appears to be monomeric over the same temperature range. On the basis of additional NMR studies, the mechanism of the reduction of the HO-BzA-Lx to the dioxide ligand was thought to occur by a Meerwein-Pondorf-Verley (MPV) mechanism. The structures of 1a-6b appear to be the intermediate dioxide products of the MPV reduction, which became "trapped" by the Lewis basic solvate.
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Affiliation(s)
- Timothy J Boyle
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Fernando Guerrero
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Todd M Alam
- Organic Materials Science Department , Sandia National Laboratories , P.O. Box 5800, MS 0886, Albuquerque , New Mexico 87185-0866 , United States
| | - Kaylee A Dunnigan
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Jeremiah M Sears
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - David R Wheeler
- Applied Strategic Technologies , Sandia National Laboratories , P.O. Box 5800, MS 1217, Albuquerque , New Mexico 87185-1217 , United States
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Durmaz M, Halay E, Bozkurt S. Recent applications of chiral calixarenes in asymmetric catalysis. Beilstein J Org Chem 2018; 14:1389-1412. [PMID: 29977403 PMCID: PMC6009176 DOI: 10.3762/bjoc.14.117] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 05/17/2018] [Indexed: 12/13/2022] Open
Abstract
The use of calixarenes in asymmetric catalysis is receiving increasing attention due to their tunable three-dimensional molecular platforms along with their easy syntheses and versatile modification at the upper and lower rims. This review summarizes the recent progress of synthesis and use of chiral calixarenes in asymmetric syntheses which emerged later than 2010.
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Affiliation(s)
- Mustafa Durmaz
- Department of Chemistry Education, Ahmet Kelesoglu Education Faculty, Necmettin Erbakan University, 42090 Konya, Turkey
| | - Erkan Halay
- Department of Chemistry and Chemical Processing Technologies, Banaz Vocational School, Usak University, Usak, Turkey.,Scientific Analysis Technological Application and Research Center (UBATAM), Usak University, Usak, Turkey
| | - Selahattin Bozkurt
- Scientific Analysis Technological Application and Research Center (UBATAM), Usak University, Usak, Turkey.,Vocational School of Health Services, Usak University, 64200 Usak, Turkey
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Li H, Liu X, Yang T, Zhao W, Saravanamurugan S, Yang S. Porous Zirconium-Furandicarboxylate Microspheres for Efficient Redox Conversion of Biofuranics. CHEMSUSCHEM 2017; 10:1761-1770. [PMID: 28164471 DOI: 10.1002/cssc.201601898] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 02/04/2017] [Indexed: 06/06/2023]
Abstract
Biofuranic compounds, typically derived from C5 and C6 carbohydrates, have been extensively studied as promising alternatives to chemicals based on fossil resources. The present work reports the simple assembly of biobased 2,5-furandicarboxylic acid (FDCA) with different metal ions to prepare a range of metal-FDCA hybrids under hydrothermal conditions. The hybrid materials were demonstrated to have porous structure and acid-base bifunctionality. Zr-FDCA-T, in particular, showed a microspheric structure, high thermostability (ca. 400 °C), average pore diameters of approximately 4.7 nm, large density, moderate strength of Lewis-base/acid centers (ca. 1.4 mmol g-1 ), and a small number of Brønsted-acid sites. This material afforded almost quantitative yields of biofuranic alcohols from the corresponding aldehydes under mild conditions through catalytic transfer hydrogenation (CTH). Isotopic 1 H NMR spectroscopy and kinetic studies verified that direct hydride transfer was the dominant pathway and rate-determining step of the CTH. Importantly, the Zr-FDCA-T microspheres could be recycled with no decrease in catalytic performance and little leaching of active sites. Moreover, good yields of C5 (i.e., furfural) or C4 products [i.e., maleic acid and 2(5H)-furanone] could be obtained from furfuryl alcohol without oxidation of the furan ring over these metal-FDCA hybrids. The content and ratio of Lewis-acid/base sites were demonstrated to dominantly affect the catalytic performance of these redox reactions.
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Affiliation(s)
- Hu Li
- State-Local Joint Engineering Lab for Comprehensive Utilization of Biomass, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Center for R&D of Fine Chemicals, Guizhou University, Guiyang, Guizhou, 550025, P.R. China
| | - Xiaofang Liu
- State-Local Joint Engineering Lab for Comprehensive Utilization of Biomass, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Center for R&D of Fine Chemicals, Guizhou University, Guiyang, Guizhou, 550025, P.R. China
| | - Tingting Yang
- State-Local Joint Engineering Lab for Comprehensive Utilization of Biomass, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Center for R&D of Fine Chemicals, Guizhou University, Guiyang, Guizhou, 550025, P.R. China
| | - Wenfeng Zhao
- State-Local Joint Engineering Lab for Comprehensive Utilization of Biomass, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Center for R&D of Fine Chemicals, Guizhou University, Guiyang, Guizhou, 550025, P.R. China
| | | | - Song Yang
- State-Local Joint Engineering Lab for Comprehensive Utilization of Biomass, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Center for R&D of Fine Chemicals, Guizhou University, Guiyang, Guizhou, 550025, P.R. China
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Wei J, Riffel MN, Diaconescu PL. Redox Control of Aluminum Ring-Opening Polymerization: A Combined Experimental and DFT Investigation. Macromolecules 2017. [DOI: 10.1021/acs.macromol.6b02402] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Junnian Wei
- Department of Chemistry and
Biochemistry, University of California, Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095, United States
| | - Madeline N. Riffel
- Department of Chemistry and
Biochemistry, University of California, Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095, United States
| | - Paula L. Diaconescu
- Department of Chemistry and
Biochemistry, University of California, Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095, United States
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Hua Y, Guo Z, Han H, Wei X. N,N,O-Tridentate Mixed Lithium–Magnesium and Lithium–Aluminum Complexes: Synthesis, Characterization, and Catalytic Activities. Organometallics 2017. [DOI: 10.1021/acs.organomet.6b00921] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yupeng Hua
- The School of Chemistry
and Chemical Engineering, Shanxi University, Taiyuan 030006, People’s Republic of China
- College
of Ordos, Inner Mongolia University, Ordos 017000, Inner Mongolia, People’s Republic of China
| | - Zhiqiang Guo
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, People’s Republic of China
| | - Hongfei Han
- The School of Chemistry
and Chemical Engineering, Shanxi University, Taiyuan 030006, People’s Republic of China
| | - Xuehong Wei
- The School of Chemistry
and Chemical Engineering, Shanxi University, Taiyuan 030006, People’s Republic of China
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, People’s Republic of China
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Wu W, Zou S, Lin L, Ji J, Zhang Y, Ma B, Liu X, Feng X. Catalytic asymmetric Meerwein–Ponndorf–Verley reduction of glyoxylates induced by a chiral N,N′-dioxide/Y(OTf)3complex. Chem Commun (Camb) 2017; 53:3232-3235. [PMID: 28256667 DOI: 10.1039/c7cc00273d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An asymmetric MPV reduction of glyoxylates was for the first time achieved with excellent results and the mechanism of the reaction was probed.
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Affiliation(s)
- Wangbin Wu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Sijia Zou
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Jie Ji
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Yuheng Zhang
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Baiwei Ma
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
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Fukui M, Tanaka A, Hashimoto K, Kominami H. Visible light-induced heterogeneous Meerwein–Ponndorf–Verley-type reduction of an aldehyde group over an organically modified titanium dioxide photocatalyst. Chem Commun (Camb) 2017; 53:4215-4218. [DOI: 10.1039/c7cc00645d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An organically modified TiO2 photocatalyst chemoselectively converted benzaldehydes to the corresponding benzyl alcohols under visible light irradiation.
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Affiliation(s)
- Makoto Fukui
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Atsuhiro Tanaka
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Keiji Hashimoto
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Hiroshi Kominami
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
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Zr-Based MOF-808 as Meerwein–Ponndorf–Verley Reduction Catalyst for Challenging Carbonyl Compounds. Catalysts 2016. [DOI: 10.3390/catal6070104] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Han HF, Zhang SF, Guo ZQ, Tong HB, Wei XH. Three asymmetric guanidinato metal complexes: Synthesis, crystal structures and their use as pre-catalysts in the Meerwein–Ponndorf–Verley reduction. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.06.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Patterned Grafted Lewis-Acid Sites on Surfaces: Olefin Epoxidation Catalysis Using Tetrameric Ti(IV)–Calix[4]arene Complexes. Top Catal 2015. [DOI: 10.1007/s11244-015-0385-x] [Citation(s) in RCA: 3] [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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Luo HY, Consoli DF, Gunther WR, Román-Leshkov Y. Investigation of the reaction kinetics of isolated Lewis acid sites in Beta zeolites for the Meerwein–Ponndorf–Verley reduction of methyl levulinate to γ-valerolactone. J Catal 2014. [DOI: 10.1016/j.jcat.2014.10.010] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hydrogen-transfer dehydration between alcohols over V 2 O 3 and MoO 2 catalysts for the formation of corresponding alkanes and aldehydes. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcata.2014.07.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Nandi P, Solovyov A, Okrut A, Katz A. AlIII–Calix[4]arene Catalysts for Asymmetric Meerwein–Ponndorf–Verley Reduction. ACS Catal 2014. [DOI: 10.1021/cs5001976] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Partha Nandi
- Department
of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
| | | | | | - Alexander Katz
- Department
of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
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Catalytic consequences of open and closed grafted Al(III)-calix[4]arene complexes for hydride and oxo transfer reactions. Proc Natl Acad Sci U S A 2013; 110:2484-9. [PMID: 23359705 DOI: 10.1073/pnas.1211158110] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An approach for the control and understanding of supported molecular catalysts is demonstrated with the design and synthesis of open and closed variants of a grafted Lewis acid active site, consisting of Al(III)-calix[4]arene complexes on the surface of silica. The calixarene acts as a molecular template that enforces open and closed resting-state coordination geometries surrounding the metal active sites, due to its lower-rim substituents as well as site isolation by virtue of its steric bulk. These sites are characterized and used to elucidate mechanistic details and connectivity requirements for reactions involving hydride and oxo transfer. The consequence of controlling open versus closed configurations of the grafted Lewis acid site is demonstrated by the complete lack of observed activity of the closed site for Meerwein-Ponndorf-Verley (MPV) reduction; whereas, the open variant of this catalyst has an MPV reduction activity that is virtually identical to previously reported soluble molecular Al(III)-calix[4]arene catalysts. In contrast, for olefin epoxidation using tert-butyl-hydroperoxide as oxidant, the open and closed catalysts exhibit similar activity. This observation suggests that for olefin epoxidation catalysis using Lewis acids as catalyst and organic hydroperoxide as oxidant, covalent binding of the hydroperoxide is not required, and instead dative coordination to the Lewis acid center is sufficient for catalytic oxo transfer. This latter result is supported by density functional theory calculations of the transition state for olefin epoxidation catalysis, using molecular analogs of the open and closed catalysts.
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