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Buttar S, Caine J, Goné E, Harris R, Gillman J, Atienza R, Gupta R, Sogi KM, Jain L, Abascal NC, Levine Y, Repka LM, Rojas CM. Glycal Metallanitrenes for 2-Amino Sugar Synthesis: Amidoglycosylation of Gulal-, Allal-, Glucal-, and Galactal 3-Carbamates. J Org Chem 2018; 83:8054-8080. [PMID: 29979042 PMCID: PMC6662188 DOI: 10.1021/acs.joc.8b00893] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The rhodium(II)-catalyzed oxidative cyclization of glycal 3-carbamates with in situ incorporation of an alcohol nucleophile at the anomeric position provides access to a range of 2-amino sugars having 1,2-trans-2,3-cis stereochemistry, a structural motif present in compounds of medicinal and biological significance such as the streptothricin group of antibiotics and the Chitinase inhibitor allosamidin. All of the diastereomeric d-glycal 3-carbamates have been investigated, revealing significant differences in anomeric stereoselectivity depending on substrate stereochemistry and protecting groups. In addition, some substrates were prone to forming C3-oxidized dihydropyranone byproducts under the reaction conditions. Allal- and gulal 3-carbamates provided uniformly high stereo- and chemoselectivity, while for glucal substrates, acyclic, electron-withdrawing protecting groups at the 4 O and 6 O positions were required. Galactal 3-carbamates have been the most challenging substrates; formation of their amidoglycosylation products is most effective with an electron-withdrawing 6 O-Ts substituent and a sterically demanding 4 O-TBS group. These results suggest a mechanism whereby conformational and electronic factors determine the partitioning of an intermediate acyl nitrenoid between alkene addition, leading to amidoglycosylation, and C3-H insertion, providing the dihydropyranone byproduct. Along the amidoglycosylation pathway, high anomeric selectivity results when a glycosyl aziridine intermediate is favored over an aziridine-opened oxocarbenium donor.
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Affiliation(s)
- Simran Buttar
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Julia Caine
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Evelyne Goné
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Reneé Harris
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Jennifer Gillman
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Roxanne Atienza
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Ritu Gupta
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Kimberly M. Sogi
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Lauren Jain
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Nadia C. Abascal
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Yetta Levine
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Lindsay M. Repka
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
| | - Christian M. Rojas
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, United States
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2
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Murakami T, Sato Y, Yoshioka K, Tanaka M. Convenient stereocontrolled amidoglycosylation of alcohols with acetylated glycals and trichloroethoxysulfonamide. Carbohydr Res 2016; 434:121-131. [PMID: 27639338 DOI: 10.1016/j.carres.2016.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 09/02/2016] [Accepted: 09/02/2016] [Indexed: 11/27/2022]
Abstract
A regio- and stereo-controlled, rhodium(II)-catalyzed amidoglycosylation of alcohols has been developed using O-acetylated glycals, trichloroethoxysulfonamide, and iodosobenzene. This one-pot amidoglycosylation was applied to a variety of primary and secondary alcohols to afford the β-O-glycosides with acceptable yields up to 84%. The reaction would proceed via stereoselective intermolecular aziridination of the glycal from the α-face followed by SN2 reaction with alcohol at C-1 from the β-face to give 1,2:2,3-di-trans-substituted isomer only.
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Affiliation(s)
- Teiichi Murakami
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 6, Tsukuba, Ibaraki 305-8566, Japan.
| | - Yukari Sato
- Research Institute for Energy Conservation, National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 2, Tsukuba, Ibaraki 305-8562, Japan
| | - Kyoko Yoshioka
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, Tsukuba, Ibaraki 305-8566, Japan
| | - Mutsuo Tanaka
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 6, Tsukuba, Ibaraki 305-8566, Japan
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3
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Murakami T, Sato Y, Yoshioka K, Tanaka M. Novel stereocontrolled amidoglycosylation of alcohols with acetylated glycals and sulfamate ester. RSC Adv 2014. [DOI: 10.1039/c4ra02367f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A regio- and stereo-controlled, one-pot amidoglycosylation of alcohols has been achieved using O-acetylated glycals, trichloroethoxysulfonamide, and iodosobenzene in the presence of a rhodium(ii) catalyst.
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Affiliation(s)
- Teiichi Murakami
- Biomedical Research Institute
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba, Japan
| | - Yukari Sato
- Biomedical Research Institute
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba, Japan
| | - Kyoko Yoshioka
- Biomedical Research Institute
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba, Japan
| | - Mutsuo Tanaka
- Biomedical Research Institute
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba, Japan
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Gupta R, Sogi KM, Bernard SE, Decatur JD, Rojas CM. Protecting group and solvent control of stereo- and chemoselectivity in glucal 3-carbamate amidoglycosylation. Org Lett 2009; 11:1527-30. [PMID: 19254041 PMCID: PMC2684990 DOI: 10.1021/ol900126q] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the Rh(2)(OAc)(4)-catalyzed amidoglycosylation of glucal 3-carbamates, anomeric stereoselectivity and the extent of competing C3-H oxidation depend on the 4O and 6O protecting groups. Acyclic protection permits high alpha-anomer selectivity with further improvement in less polar solvents, while electron-withdrawing protecting groups limit C3-oxidized byproducts. Stereocontrol and bifurcation between alkene insertion and C3-H oxidation reflect an interplay of conformational, stereoelectronic, and inductive factors.
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Affiliation(s)
- Ritu Gupta
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027 and Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027
| | - Kimberly M. Sogi
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027 and Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027
| | - Sarah E. Bernard
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027 and Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027
| | | | - Christian M. Rojas
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027 and Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027
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5
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Kozlowska-Gramsz E, Descotes G. Addition photochimique d'azidoformiate d'alkyle sur le méthylène-2 tétrahydropyranne et le méthoxy-2 dihydro-5,6 γ-pyranne. J Heterocycl Chem 2009. [DOI: 10.1002/jhet.5570200332] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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6
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Lorpitthaya R, Sophy KB, Kuo JL, Liu XW. Highly stereoselective synthesis of aminoglycosides via rhodium-catalyzed and substrate-controlled aziridination of glycals. Org Biomol Chem 2009; 7:1284-7. [DOI: 10.1039/b823099b] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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Adibekian A, Timmer MSM, Stallforth P, van Rijn J, Werz DB, Seeberger PH. Stereocontrolled synthesis of fully functionalized d-glucosamine monosaccharides via a domino nitro-Michael/Henry reaction. Chem Commun (Camb) 2008:3549-51. [DOI: 10.1039/b805159c] [Citation(s) in RCA: 26] [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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Affiliation(s)
- Jindrich Karban
- Institute of Chemical Processes Fundamentals, Academy of Sciences of the Czech Republic, 160 00 Prague 6, Czech Republic
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De Castro M, Marzabadi CH. The preparation of 2-iodoamides from glucals and their further transformations into oxazolines. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.06.082] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Liu J, Di Bussolo V, Gin DY. C2-Acetamidomannosylation. Synthesis of 2-N-acetylamino-2-deoxy-α-d-mannopyranosides with glucal donors. Tetrahedron Lett 2003. [DOI: 10.1016/s0040-4039(03)00871-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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11
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Affiliation(s)
- Robert J Ferrier
- Industrial Research Ltd., P.O. Box 31 310, Lower Hutt, New Zealand
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12
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Amidochlorination of 4-O-Azidoformyl-D-pseudoglycals with Iron (Ⅱ) Chloride and Chlorotrimethylsilane. B KOREAN CHEM SOC 2002. [DOI: 10.5012/bkcs.2002.23.9.1325] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Abstract
A one-pot C2-amidoglycosylation reaction for the synthesis of 2-N-acyl-2-deoxy-beta-pyranosides from glycals is described. Glycal donors activated by the reagent combination of thianthrene-5-oxide (11) and Tf2O, followed by treatment with an amide nucleophile and a glycosyl acceptor, lead to the formation of various C2-amidoglycoconjugates. Both the C2-nitrogen transfer and the glycosidic bond formation proceed stereoselectively, allowing for the introduction of both natural and nonnatural amide functionalities at C2 with concomitant anomeric bond formation in a one-pot procedure. Tracking of the reaction by low-temperature NMR spectroscopy employing 15N- and 18O-isotope labels suggests a mechanism involving the formation of the C2-sulfonium glycosyl imidate 39 as well as oxazoline 37 as key intermediates in this novel oxidative glycosylation process.
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Affiliation(s)
- Jing Liu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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15
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Kan C, Long CM, Paul M, Ring CM, Tully SE, Rojas CM. Photo amidoglycosylation of an allal azidoformate. Synthesis of beta-2-amido allopyranosides. Org Lett 2001; 3:381-4. [PMID: 11428019 DOI: 10.1021/ol0069002] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[figure: see text] Photolysis of an allal C-3 azidoformate provoked intramolecular nitrene insertion into the glycal C=C unit and allowed direct incorporation of alcohol nucleophiles as beta-disposed substituents at C-1. The 2-amido allopyranoside products were elaborated via N-acylation and selective oxazolidinone hydrolysis, providing N-Boc-protected 2-amino sugars and simplifying stereochemical assignments. Synthesis of the potentially labile allal azidoformate was achieved via reaction of the corresponding carbonyl imidazolide with trimethylsilyl azide, facilitated by dibutyltin oxide.
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Affiliation(s)
- C Kan
- Department of Chemistry, Barnard College, 3009 Broadway, New York, New York 10027, USA
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Williams DR, Rojas CM, Bogen SL. Studies of Acyl Nitrene Insertions. A Stereocontrolled Route toward Lankacidin Antibiotics. J Org Chem 1999; 64:736-746. [PMID: 11674141 DOI: 10.1021/jo981310r] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Photochemically generated acyl nitrenes undergo facile addition to 4,5-dihydrofurans 20 and 24b to yield the novel 2-ethoxyoxazolines 21 and 25. The regiocontrolled C=C insertion has provided for introduction of the sterically hindered C-3 amido appendage of the lankacidins 1-4 with high stereoselectivity. High chemoselectivity for the C=C insertion pathway was demonstrated upon production of the acyl nitrene intermediate from azide 33b. Intramolecular competition for allylic C(3)-H insertion versus C=C addition yielded exclusive formation of seven-membered N-acyl aziridines 34a,b. The latent aldehydic functionality of oxazolines such as 21 and 25 is exposed upon a brief hydrolysis, permitting further chemical elaboration. Wittig condensation of the lactol from 25 has led to the synthesis of the lactone fragment 5, containing all of the necessary stereochemistry and functionality for incorporation into the lankacidin antibiotics. The acyl nitrene insertion into 4,5-dihydrofurans affords a route toward unusual beta-amido acids and amino sugar derivatives as shown via stereocontrolled formation of the amidofuranose derivatives 31 and 32. The three-step process of acyl nitrene addition, hydrolysis of the resulting 2,5-dialkoxy oxazoline intermediates, and Wittig carbon chain elongation provides the stereocontrolled formation of novel beta-amido esters.
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Affiliation(s)
- David R. Williams
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405
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17
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Erbeck S, Liang X, Krieger R, Prinzbach H. Enantiopure D-, L- (and 2-epi-) Purpurosamine C-Type Glycosyl Donors from Racemic Acrolein Dimer − Biocatalytic Resolution. European J Org Chem 1998. [DOI: 10.1002/(sici)1099-0690(199803)1998:3<481::aid-ejoc481>3.0.co;2-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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18
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Erbeck S, Prinzbach H. Enantiopure purpurosamine C type glycosyl donors an improved access from rac-acrolein dimer — biocatalytic resolution. Tetrahedron Lett 1997. [DOI: 10.1016/s0040-4039(97)00448-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Hudlicky T, Entwistle DA, Pitzer KK, Thorpe AJ. Modern Methods of Monosaccharide Synthesis from Non-Carbohydrate Sources. Chem Rev 1996; 96:1195-1220. [PMID: 11848785 DOI: 10.1021/cr9403300] [Citation(s) in RCA: 200] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomas Hudlicky
- Department of Chemistry, University of Florida, Gainesville, Florida 32611
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20
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Griffith DA, Danishefsky SJ. The Total Synthesis of Allosamidin. Expansions of the Methodology of Azaglycosylation Pursuant to the Total Synthesis of Allosamidin. A Surprising Enantiotopic Sense for a Lipase-Induced Deacetylation. J Am Chem Soc 1996. [DOI: 10.1021/ja960526c] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Marra A, Sinaÿ P. N-p-methoxybenzylidene derivatives of 2-amino-2-deoxy-D-glucose as glycosyl donors: a reinvestigation. Carbohydr Res 1990; 200:319-37. [PMID: 2379211 DOI: 10.1016/0008-6215(90)84200-e] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
6-O-Acetyl-3,4-di-O-benzyl-2-deoxy-2-p-methoxybenzylideneamino-D- glucopyranosyl chloride, 3,4,6-tri-O-acetyl-2-deoxy-2-p-methoxybenzylideneamino-alpha-D-glu copyranosyl bromide, 3,4,6-tri-O-acetyl-2-deoxy-2-p-methoxybenzylideneamino-alpha- and -beta-D- glucopyranosyl trichloroacetimidate, and 3,4,6-tri-O-acetyl-2-deoxy-2-p-nitrobenzylideneamino-alpha-D-gluco pyranosyl bromide have been synthesised, and their behaviour as glycosylation agents with various soluble promoters has been investigated. The results obtained question the accepted non-participating character of the N-p-methoxybenzylideneamino group.
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Affiliation(s)
- A Marra
- Laboratoire de Chimie, UA 1110, Paris, France
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22
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23
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KozUz.xl;lowska-Gramsz E, Descotes G. Synthesis de carbodiimides par photoaddition de nitrenes sur les isonitriles. Tetrahedron Lett 1982. [DOI: 10.1016/s0040-4039(00)87164-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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