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Yadav Y, Tyagi R, Yadav K, Tiwari G, Sagar R. Reinvestigation of SnCl 4 catalyzed efficient synthesis of 2,3-unsaturated glycopyranosides. Carbohydr Res 2023; 534:108989. [PMID: 38016255 DOI: 10.1016/j.carres.2023.108989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 11/30/2023]
Abstract
The Ferrier rearrangement is a powerful tool to prepare 2,3-unsaturated glycopyranosides. We have reinvestigated SnCl4 catalyzed Ferrier rearrangements through direct allylic substitution of the hydroxyl group at the C-3 position of glycals, resulting in the formation of stereoselective 2,3-unsaturated glycosides at 0 °C. The catalytic amount of SnCl4 (0.1 equiv.) was successfully used to promote this transformation on 3,4,6-tri-O-acetyl-D-glucal, 3,4,6-tri-O-acetyl-D-galactal and 3,4-di-O-acetyl-D-arabinal using various nucleophiles viz alcohols, azide and thiols to form a variety of 2,3-unsaturated glycopyranosides (pseudoglycals). This straightforward process is notable for its strong anomeric selectivity, excellent yields and shorter reaction time.
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Affiliation(s)
- Yogesh Yadav
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Rajdeep Tyagi
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Kanchan Yadav
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Ghanshyam Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Ram Sagar
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India; Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Kumar M, Kumar N, Gurawa A, Kashyap S. Protecting group enabled stereocontrolled approach for rare-sugars talose/gulose via dual-ruthenium catalysis. Carbohydr Res 2023; 523:108705. [PMID: 36370626 DOI: 10.1016/j.carres.2022.108705] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/08/2022] [Accepted: 10/11/2022] [Indexed: 01/28/2023]
Abstract
We herein report a convenient and highly stereocontrolled approach for rare and vital ᴅ-talo and ᴅ-gulo sugars directly from economical ᴅ-galactal through dual ruthenium-catalysis. The stereo-divergent strategy involves Ru(III)Cl3-catalyzed Ferrier glycosylation of ᴅ-galactal to give 2,3-unsaturated ᴅ-galactopyranoside, further selective functionalization of C-4 and C-6 position with diverse protecting groups and dihydroxylation with Ru(VIII)O4 generated in situ providing access to talo/gulo isomers. The α-anomeric stereoselectivity and syn-diastereoselectivity in glycosylation-dihydroxylation steps have been predominantly achieved by judicious selection of stereoelectronically diverse protecting groups. The synthetic utility of the dual-ruthenium catalysis was demonstrated for efficiently assembling the ᴅ-talose and/or ᴅ-gulose sugars in natural products and bioactive scaffolds.
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Affiliation(s)
- Manoj Kumar
- Carbohydrate Chemistry Research Laboratory (CCRL), Department of Chemistry, Malaviya National Institute of Technology (MNIT), Jaipur, 302017, India
| | - Nitin Kumar
- Carbohydrate Chemistry Research Laboratory (CCRL), Department of Chemistry, Malaviya National Institute of Technology (MNIT), Jaipur, 302017, India
| | - Aakanksha Gurawa
- Carbohydrate Chemistry Research Laboratory (CCRL), Department of Chemistry, Malaviya National Institute of Technology (MNIT), Jaipur, 302017, India
| | - Sudhir Kashyap
- Carbohydrate Chemistry Research Laboratory (CCRL), Department of Chemistry, Malaviya National Institute of Technology (MNIT), Jaipur, 302017, India.
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Yang Y, Jiang N, Mei Y, Ding Z, Zhang J. Synthesis of 2-Nitro-2,3-Unsaturated Glycosides by a Nanomagnetic Catalyst Fe3O4@C@Fe(III). Front Chem 2022; 10:865012. [PMID: 35646809 PMCID: PMC9130751 DOI: 10.3389/fchem.2022.865012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
A sustainable magnetic core-shell nanocatalyst Fe3O4@C@Fe(III) was successfully applied in the synthesis of a series of 2-nitro-2,3-unsaturated O-glycosides with excellent yields (up to 89%) and high stereoselectivity (α:β > 19:1). The substrate ranges are widely applicable, including different kinds of alcohols and even structurally complex acceptors. In addition, phenols could be applied in good yields. Moreover, the catalyst could be easily separated from the reaction by the application of an external magnetic force and reused a minimum of five times without any significant decrease in catalytic performance.
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Xiong T, Xie R, Huang C, Lan X, Huang N, Yao H. Recent advances in the synthesis of thiosugars using glycal donors. J Carbohydr Chem 2022. [DOI: 10.1080/07328303.2022.2027433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Tao Xiong
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
| | - Rui Xie
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
| | - Cai Huang
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
| | - Xin Lan
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
| | - Nianyu Huang
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
| | - Hui Yao
- Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, P. R. China
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Yuan W, Liu Y, Li C. From the Studies of Hydration and Hydrolysis Reactions to the Discovery of a New Organocatalyst and Its Further Applications in Acetalization and Glycosylation. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wenjiao Yuan
- Department of Chemistry, School of Science; Tianjin University; Tianjin 300350 Tianjin China
- Department of Biochemical Engineering; Tianjin Modern Vocational Technology College; Tianjin 300350 Tianjin China
| | - Yali Liu
- Department of Pharmaceutical Engineering; School of Chemical Engineering; Hebei University of Technology; Tianjin 300130 Tianjin China
| | - Chunbao Li
- Department of Chemistry, School of Science; Tianjin University; Tianjin 300350 Tianjin China
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Abstract
The development of glycobiology relies on the sources of particular oligosaccharides in their purest forms. As the isolation of the oligosaccharide structures from natural sources is not a reliable option for providing samples with homogeneity, chemical means become pertinent. The growing demand for diverse oligosaccharide structures has prompted the advancement of chemical strategies to stitch sugar molecules with precise stereo- and regioselectivity through the formation of glycosidic bonds. This Review will focus on the key developments towards chemical O-glycosylations in the current century. Synthesis of novel glycosyl donors and acceptors and their unique activation for successful glycosylation are discussed. This Review concludes with a summary of recent developments and comments on future prospects.
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Affiliation(s)
- Rituparna Das
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) KolkataMohanpurNadia741246India
| | - Balaram Mukhopadhyay
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) KolkataMohanpurNadia741246India
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Liu Y, Song T, Meng W, Xu Y, Wang PG, Zhao W. Hafnium(IV) triflate as a highly efficient catalyst for Ferrier rearrangement of O- and S-nucleophiles with glycals. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gd(OTf) 3 catalyzed preparation of 2,3-unsaturated O -, S -, N -, and C -pyranosides from glycals by Ferrier Rearrangement. Tetrahedron 2016. [DOI: 10.1016/j.tet.2015.11.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Chen P, Bi B. Preparation of 2,3-unsaturated pseudoglycosides with Ferrier Rearrangement promoted by Tm(OTf)3 as a highly efficient catalyst. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.06.077] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Chen P, Zhang D. Sm(OTf)3 as a highly efficient catalyst for the synthesis of 2,3-unsaturated O- and S-pyranosides from glycals and the temperature-dependent formation of 4-O-acetyl-6-deoxy-2,3-unsaturated S-pyranosides and 4-O-acetyl-6-deoxy-3-alkylthio glycals. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.09.060] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chen P, Li S. Y(OTf)3 as a highly efficient catalyst in Ferrier Rearrangement for the synthesis of O- and S-2,3-unsaturated glycopyranosides. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.08.092] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lim W, Kim J, Rhee YH. Pd-Catalyzed Asymmetric Intermolecular Hydroalkoxylation of Allene: An Entry to Cyclic Acetals with Activating Group-Free and Flexible Anomeric Control. J Am Chem Soc 2014; 136:13618-21. [DOI: 10.1021/ja508587f] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Wontaeck Lim
- Department of Chemistry, Pohang University of Science and Technology, Hyoja-dong San 31, Pohang, Kyungbook, Republic of Korea 790-784
| | - Jungjoon Kim
- Department of Chemistry, Pohang University of Science and Technology, Hyoja-dong San 31, Pohang, Kyungbook, Republic of Korea 790-784
| | - Young Ho Rhee
- Department of Chemistry, Pohang University of Science and Technology, Hyoja-dong San 31, Pohang, Kyungbook, Republic of Korea 790-784
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