1
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Shou K, Zhang Y, Ji Y, Liu B, Zhou Q, Tan Q, Li F, Wang X, Lu G, Xiao G. Highly stereoselective α-glycosylation with GalN 3 donors enabled collective synthesis of mucin-related tumor associated carbohydrate antigens. Chem Sci 2024; 15:6552-6561. [PMID: 38699257 PMCID: PMC11062124 DOI: 10.1039/d4sc01348d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/01/2024] [Indexed: 05/05/2024] Open
Abstract
Mucin-related tumor-associated carbohydrate antigens (TACAs) are important and interesting targets for cancer vaccine therapy. However, efficient access to a library of mucin-related TACAs remains a challenging task. One of the key issues is the challenging construction of α-GalNAc linkages. Here, we report highly stereoselective α-glycosylation with GalN3N-phenyl trifluoroacetimidate donors, which features excellent yields, outstanding stereoselectivities, broad substrate scope and mild reaction conditions. This method is successfully applied to highly stereoselective synthesis of GalN3-α-O-Ser, which served as the common intermediate for collective synthesis of a wide range of TACAs including TN antigen, STN antigen, 2,6 STF antigen, 2,3 STF antigen, glycophorin and cores 1-8 mucin-type O-glycans. In particular, the rationale for this highly stereoselective α-glycosylation is provided for the first time using DFT calculations and mechanistic studies, highlighting the crucial roles of reagent combinations (TMSI and Ph3PO) and the H-bonding directing effect of the N3 group.
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Affiliation(s)
- Kunxiu Shou
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Yunqin Zhang
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Yujie Ji
- School of Chemistry and Chemical Engineering, Shandong University Jinan Shandong 250100 China
| | - Bin Liu
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Qingli Zhou
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Qiang Tan
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Fuying Li
- Department of Chemistry, Kunming University 2 Puxing Road Kunming 650214 China
| | - Xiufang Wang
- Department of Chemistry, Kunming University 2 Puxing Road Kunming 650214 China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Shandong University Jinan Shandong 250100 China
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
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2
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Sun A, Li Z, Wang Y, Meng S, Zhang X, Meng X, Li S, Li Z, Li Z. Stereocontrolled Synthesis of α-3-Deoxy-d-manno-oct-2-ulosonic Acid (α-Kdo) Glycosides Using C3-p-Tolylthio-Substituted Kdo Donors: Access to Highly Branched Kdo Oligosaccharides. Angew Chem Int Ed Engl 2024; 63:e202313985. [PMID: 38014418 DOI: 10.1002/anie.202313985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/05/2023] [Accepted: 11/27/2023] [Indexed: 11/29/2023]
Abstract
3-Deoxy-d-manno-oct-2-ulosonic acid (Kdo) is an eight-carbon monosaccharide found widely in bacterial lipopolysaccharides (LPSs) and capsule polysaccharides (CPSs). We developed an indirect method for the stereoselective synthesis of α-Kdo glycosides with a C3-p-tolylthio-substituted Kdo phosphite donor. The presence of the p-tolylthio group enhanced the reactivity, suppressed the formation of elimination by-products (2,3-enes), and provided complete α-stereocontrol. A variety of Kdo α-glycosides were synthesized by our method in excellent yields (up to 98 %). After glycosylation, the p-tolylthio group can be efficiently removed by free-radical reduction. Subsequently, the orthogonality of the phosphite donor and thioglycoside donor was demonstrated by the one-pot synthesis of a trisaccharide in Helicobacter pylori and Neisseria meningitidis LPS. Moreover, an efficient total synthesis route to the challenging 4,5-branched Kdo trisaccharide in LPSs from several A. baumannii strains was highlighted. To demonstrate the high reactivity of our approach further, the highly crowded 4,5,7,8-branched Kdo pentasaccharide was synthesized as a model molecule for the first time. Additionally, the reaction mechanism was investigated by DFT calculations.
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Affiliation(s)
- Ao Sun
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Zipeng Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Yuchao Wang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Shuai Meng
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, College of Marine Science, Hainan University, Haikou, 570228, China
| | - Xiao Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xiangbao Meng
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Shuchun Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Zhongtang Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Zhongjun Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
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3
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Abstract
The structural complexity of glycans poses a serious challenge in the chemical synthesis of glycosides, oligosaccharides and glycoconjugates. Glycan complexity, determined by composition, connectivity, and configuration far exceeds what nature achieves with nucleic acids and proteins. Consequently, glycoside synthesis ranks among the most complex tasks in organic synthesis, despite involving only a simple type of bond-forming reaction. Here, we introduce the fundamental principles of glycoside bond formation and summarize recent advances in glycoside bond formation and oligosaccharide synthesis.
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Affiliation(s)
- Conor J Crawford
- Department of Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
- Institute for Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
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4
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Wang J, Lan X, Zhang S, Cai C, Zhang Q, Feng Y, Chai Y. S- o-( p-Methoxyphenylethynyl)benzyl (SMPEB) Glycosides for Catalytic Glycosylation and Their Application in the Synthesis of Polyporus Umbellatus Polysaccharides. Org Lett 2023; 25:6116-6121. [PMID: 37578318 DOI: 10.1021/acs.orglett.3c02072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
We herein reported a new type of S-o-(p-methoxyphenylethynyl)benzyl donor for a highly efficient glycosylation method. The donor was activated by 10% Tf2O and underwent glycosylation with various acceptors to provide the corresponding glycosides in excellent yield. Furthermore, two repetitive fragments of Polyporus umbellatus polysaccharides (PUPs), isolated from traditional Chinese medicine "Polyporus umbellatus", were prepared by combining the "single-catalyst one-pot" and "latent-active" strategies for the first time for future clear studies on the structure-activity relationship of PUPs.
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Affiliation(s)
- Jincai Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
| | - Xinguang Lan
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
| | - Shuangshuang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
| | - Chenglin Cai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
| | - Qi Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Yingle Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
| | - Yonghai Chai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China
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5
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Zhou Y, Liao KS, Chen TY, Hsieh YSY, Wong CH. Effective Organotin-Mediated Regioselective Functionalization of Unprotected Carbohydrates. J Org Chem 2023. [PMID: 37167441 DOI: 10.1021/acs.joc.3c00397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Regioselective functionalization of unprotected carbohydrates at a secondary OH group in the presence of primary OH groups based on the commonly used organotin-mediated reaction has been improved. We found that the preactivation of the dibutylstannylene acetal intermediate with tetrabutylammonium bromide in toluene is a key to the improved condition for the efficient, high-yielding, and regioselective tosylation, benzoylation, or benzylation of unprotected carbohydrates. The counteranion of tetrabutylammonium ion with a weak coordination ability plays a crucial role in the improved regioselective reactions. A convenient access to the intermediates of synthetic value is also demonstrated in the organotin-mediated regioselective tosylation of unprotected carbohydrates, followed by the nucleophilic inversion reaction to give sulfur-containing and azide-modified carbohydrates.
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Affiliation(s)
- Yixuan Zhou
- Genomics Research Center, Academia Sinica, No. 128 Academia Road, Section 2, Nankang District, Taipei 11529, Taiwan
| | - Kuo-Shiang Liao
- Genomics Research Center, Academia Sinica, No. 128 Academia Road, Section 2, Nankang District, Taipei 11529, Taiwan
| | - Tzu-Yin Chen
- School of Pharmacy, College of Pharmacy, Taipei Medical University, No. 250 Wu-Hsing Street, Taipei City 110, Taiwan
| | - Yves S Y Hsieh
- Genomics Research Center, Academia Sinica, No. 128 Academia Road, Section 2, Nankang District, Taipei 11529, Taiwan
- School of Pharmacy, College of Pharmacy, Taipei Medical University, No. 250 Wu-Hsing Street, Taipei City 110, Taiwan
- Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Center, SE-106 91 Stockholm, Sweden
| | - Chi-Huey Wong
- Genomics Research Center, Academia Sinica, No. 128 Academia Road, Section 2, Nankang District, Taipei 11529, Taiwan
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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6
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Liu H, Liang ZF, Liu HJ, Liao JX, Zhong LJ, Tu YH, Zhang QJ, Xiong B, Sun JS. ortho-Methoxycarbonylethynylphenyl Thioglycosides (MCEPTs): Versatile Glycosyl Donors Enabled by Electron-Withdrawing Substituents and Catalyzed by Gold(I) or Cu(II) Complexes. J Am Chem Soc 2023; 145:3682-3695. [PMID: 36727591 DOI: 10.1021/jacs.2c13018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
With easily accessible and operator-friendly reagents, shelf-stable ortho-methoxycarbonylethynylphenyl thioglycosides were efficiently prepared. Based on these MCEPT glycoside donors, a novel glycosylation protocol featuring mild and catalytic promotion conditions with Au(I) or Cu(II) complexes, expanded substrate scope encompassing challenging donors and acceptors and clinically used pharmaceuticals, and versatility in various strategies for highly efficient synthesis of glycosides has been established. The practicality of the MCEPT glycosylation protocol was fully exhibited by highly efficient and scalable synthesis of surface polysaccharide subunits of Acinetobacter baumannii via latent-active, reagent-controlled divergent orthogonal one-pot and orthogonal one-pot strategies. The underlying reaction mechanism was investigated systematically through control reactions, leading to the isolation and characterization of the vital catalyst species in MCEPT glycosylation, the benzothiophen-3-yl-gold(I) complex. Based on the results obtained both from control reactions and from studies leading to the glycosylation protocol establishment, an operative mechanism was proposed and the effect of the vital catalyst species reactivity on the results of metal-catalyzed alkyne-containing donor-involved glycosylation was disclosed. Moreover, the mechanism for C-glycosylation side product formation from ortho-(substituted)ethynylphenyl thioglycoside donors with electron-donating substituents was also illuminated.
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Affiliation(s)
- Hui Liu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Zhi-Fen Liang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Han-Jian Liu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Jin-Xi Liao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Li-Jun Zhong
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Yuan-Hong Tu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Qing-Ju Zhang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Bin Xiong
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Jian-Song Sun
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China.,School of Life Science and Health Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
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7
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Lan X, Cai C, Wang J, Zhang Q, Feng Y, Chai Y. Tf2O/TfOH Catalytic Glycosylation Using o-(p-Methoxyphenylethynyl)benzyl Glycosides as Donors and Its Application in Synthesis of Oligosaccharides. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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8
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Morelli L, Compostella F, Panza L, Imperio D. Unusual promoters and leaving groups in glycosylation reactions: The evolution of carbohydrate synthesis. Carbohydr Res 2022; 519:108625. [DOI: 10.1016/j.carres.2022.108625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/15/2022] [Accepted: 06/15/2022] [Indexed: 11/02/2022]
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9
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Yang R, Sun X, Zhang Y, Xiao G. The total synthesis of rhynchosporosides via orthogonal one-pot glycosylation and stereoselective α-glycosylation strategies. Org Biomol Chem 2022; 20:6755-6758. [PMID: 35971976 DOI: 10.1039/d2ob01243j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The efficient and collective synthesis of rhynchosporosides causing scald diseases has been achieved, which features orthogonal one-pot glycosylation on the basis of PTFAI glycosylation, Yu glycosylation, and PVB glycosylation and merging reagent modulation and remote anchimeric assistance (RMRAA) α-glucosylation strategies. The issues inherent to the thioglycoside-based orthogonal one-pot glycosylation strategy, such as aglycone transfer, have been precluded by this orthogonal one-pot glycosylation strategy, which can streamline glycan chemical synthesis.
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Affiliation(s)
- Rui Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, China.
| | - Xingchun Sun
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, China. .,Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Yunqin Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, China.
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, China.
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10
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Cai C, Sun X, Feng Y, Zhang Q, Chai Y. Insights into the Activation of Alkyne-Installed Glycosyl Donors with Dual Acidic Metal Catalysts: Reaction Pathway, Influencing Factors, and Enlightenment for Glycosylation. Org Lett 2022; 24:6266-6271. [PMID: 35981218 DOI: 10.1021/acs.orglett.2c02338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The activation of alkyne-installed glycosyl donors with dual acidic metal catalysts were studied. Lewis and/or π acidity-activated pathways were observed for alkynyl carbonate-, ester-, and ether-type donors, and π acidity-promoted reaction mode afforded higher efficiency and yields. The activation mode for a certain metal catalyst is determined by the nature of catalysts itself, protecting groups on sugar rings, type of sugars, and structure of aglycones. The discovery gives us valuable insights into the glycosylation of alkyne-containing donors.
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Affiliation(s)
- Chenglin Cai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Xingchun Sun
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Yingle Feng
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Qi Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Yonghai Chai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
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11
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Javed, Khanam A, Mandal PK. Glycosyl 3-Phenyl-4-pentenoates as Versatile Glycosyl Donors: Reactivity and Their Application in One-Pot Oligosaccharide Assemblies. J Org Chem 2022; 87:6710-6729. [PMID: 35522927 DOI: 10.1021/acs.joc.2c00404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Both glycoconjugates and oligosaccharides are important biomolecules having significant roles in several biological processes, and a new strategy for their synthesis is crucial. Here, we report a versatile N-iodosuccinimide/trimethylsilyl triflate (NIS/TMSOTf) promoted glycosidation approach with shelf-stable 3-phenyl-4-pentenoate glycosyl as a donor for the efficient synthesis of O/C-glycosides with free alcohols, silylated alcohols, and C-type nucleophile acceptors in good to excellent yields. The mild activation conditions and outstanding reactivity of phenyl substituted pentenoate donors analogous to 4-pentenoate glycosyl donors enhance their applicability to various one-pot strategies for the synthesis of oligosaccharides, such as single-catalyst one-pot and acceptor reactivity-controlled one-pot strategies.
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Affiliation(s)
- Javed
- Medicinal and Process Chemistry Division, CSIR─Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India
| | - Ariza Khanam
- Medicinal and Process Chemistry Division, CSIR─Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India
| | - Pintu Kumar Mandal
- Medicinal and Process Chemistry Division, CSIR─Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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12
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Xiao K, Hu Y, Wan Y, Li X, Nie Q, Yan H, Wang L, Liao J, Liu D, Tu Y, Sun J, Codée JDC, Zhang Q. Hydrogen bond activated glycosylation under mild conditions. Chem Sci 2022; 13:1600-1607. [PMID: 35282639 PMCID: PMC8826775 DOI: 10.1039/d1sc05772c] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/15/2021] [Indexed: 11/21/2022] Open
Abstract
Herein, we report a new glycosylation system for the highly efficient and stereoselective formation of glycosidic bonds using glycosyl N-phenyl trifluoroacetimidate (PTFAI) donors and a charged thiourea hydrogen-bond-donor catalyst. The glycosylation protocol features broad substrate scope, controllable stereoselectivity, good to excellent yields and exceptionally mild catalysis conditions. Benefitting from the mild reaction conditions, this new hydrogen bond-mediated glycosylation system in combination with a hydrogen bond-mediated aglycon delivery system provides a reliable method for the synthesis of challenging phenolic glycosides. In addition, a chemoselective glycosylation procedure was developed using different imidate donors (trichloroacetimidates, N-phenyl trifluoroacetimidates, N-4-nitrophenyl trifluoroacetimidates, benzoxazolyl imidates and 6-nitro-benzothiazolyl imidates) and it was applied for a trisaccharide synthesis through a novel one-pot single catalyst strategy. A mild glycosylation system was developed using glycosyl imidate donors and a charge-enhanced thiourea H-bond donor catalyst. The method can be used for the effective synthesis of O-, C-, S- and N-glycosides and chemoselective one-pot glycosylation.![]()
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Affiliation(s)
- Ke Xiao
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Yongxin Hu
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Yongyong Wan
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - XinXin Li
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Qin Nie
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Hao Yan
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Liming Wang
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Jinxi Liao
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Deyong Liu
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Yuanhong Tu
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Jiansong Sun
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Jeroen D C Codée
- Leiden Institute of Chemistry, Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Qingju Zhang
- National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China .,Key Laboratory of Functional Small Molecule, Ministry of Education, Jiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
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13
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Slow glycosylation: Activation of trichloroacetimidates under mild conditions using lithium salts and the role of counterions. Carbohydr Res 2022; 511:108497. [DOI: 10.1016/j.carres.2021.108497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/01/2021] [Accepted: 12/28/2021] [Indexed: 11/19/2022]
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14
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Yangxing S, Yanzhi L, Yanlai C, Nengzhong W, Shaohua X, Mingguo L, Hui Y. Research Advances in Functional Group-Directed Stereoselective Glycosylation. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Zhou SY, Hu XP, Liu HJ, Zhang QJ, Liao JX, Tu YH, Sun JS. 8-(Methyltosylaminoethynyl)-1-naphthyl (MTAEN) Glycosides: Potent Donors in Glycosides Synthesis. Org Lett 2021; 24:653-657. [PMID: 34967647 DOI: 10.1021/acs.orglett.1c04102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
With 8-(methyltosylaminoethynyl)-1-naphthyl (MTAEN) glycoside as donors, a novel and efficient glycosylation protocol has been established. The MTAEN glycosylation protocol exhibits the merits of shelf-stable donors, mild catalytic promotion conditions, considerably extended substrate scope encompassing both free alcohols, silylated alcohols, nucleobases, primary amides, and C-type nucleophile acceptors, and applicability to various one-pot strategies for highly efficient synthesis of oligosaccharides, such as orthogonal one-pot, single-catalyst one-pot, and acceptor reactivity-controlled one-pot strategies.
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Affiliation(s)
- Si-Yu Zhou
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Xin-Ping Hu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Hui-Juan Liu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China.,College of Chemistry and Chemical Engineering, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Qing-Ju Zhang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Jin-Xi Liao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Yuan-Hong Tu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
| | - Jian-Song Sun
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
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16
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Das A, Jayaraman N. Carbon tetrachloride-free allylic halogenation-mediated glycosylations of allyl glycosides. Org Biomol Chem 2021; 19:9318-9325. [PMID: 34664608 DOI: 10.1039/d1ob01298c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The allylic bromination of allyl glycosides is conducted using NBS/AIBN reagents in (EtO)2CO and PhCF3 solutions, without using CCl4 as a solvent. The activated mixed halo-allyl glycosides led to glycosylations, mediated by a triflate, in a latent-active manner, with the allyl glycosides acting as donors and acceptors. Systematic glycosylation studies are performed with different triflate promoters, non-glycosyl acceptors and various allyl glycosyl donors. One-pot allylic halogenations and subsequent glycosylations are developed in PhCF3 solutions. This newer glycosylation method is utilized to obtain xylo-pyranoside di- and trisaccharides.
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Affiliation(s)
- Anupama Das
- Department of Chemistry, Indian Institute of Science, Bangalore-560012, India.
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17
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Cao Y, Zhou M, Mao RZ, Zou Y, Xia F, Liu DK, Liu J, Li Q, Xiong DC, Ye XS. Visible-light-promoted 3,5-dimethoxyphenyl glycoside activation and glycosylation. Chem Commun (Camb) 2021; 57:10899-10902. [PMID: 34590634 DOI: 10.1039/d1cc04473g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A new glycosylation method promoted by visible light with 3,5-dimethoxyphenyl glycoside as the donor was developed. This protocol delivers both O-glycosides and N-glycosides in moderate to excellent yields using a wide range of O-nucleophiles and nucleobases as the glycosyl acceptors.
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Affiliation(s)
- Yafei Cao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - Minmin Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China. .,School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Run-Ze Mao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - You Zou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - Feng Xia
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - Da-Ke Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - Jianhui Liu
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Qin Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
| | - De-Cai Xiong
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China. .,State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Xin-Shan Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China.
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18
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Das A, Jayaraman N. Aglycon reactivity as a guiding principle in latent-active approach to chemical glycosylations. Carbohydr Res 2021; 508:108404. [PMID: 34352649 DOI: 10.1016/j.carres.2021.108404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/07/2021] [Accepted: 07/19/2021] [Indexed: 12/22/2022]
Abstract
Chemical glycosylations critically depend on the activation of a glycosyl donor and the reaction of this activated donor intermediate with an acceptor alcohol. Whereas many strategies are developed for the activation of an anomeric aglycon substituent, the latent-active method of glycosylation is based specifically on tuning the reactivity of the aglycon substituent of a glycosyl donor. Several novel methods have emerged to install reactive aglycon moiety in a glycosyl donor and fine-tuning the reactivity of the moiety. Remote functionalizations of the aglycon plays a key role in the reactivity tuning. Activation of a remote functionality enables an otherwise latent aglycon to an active moiety, suitable as a glycosyl donor. The latent-active approach provides an advantage to avoid the conversion of the aglycon to another donor prior to a glycosylation, in addition to advancing the contemporary glycosylations with alternate insights. The review analyzes the methodologies that consolidate the latent-active approach to chemical glycosylations.
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Affiliation(s)
- Anupama Das
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560 012, India
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19
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Zhang Y, He H, Chen Z, Huang Y, Xiang G, Li P, Yang X, Lu G, Xiao G. Merging Reagent Modulation and Remote Anchimeric Assistance for Glycosylation: Highly Stereoselective Synthesis of α‐Glycans up to a 30‐mer. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103826] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Yunqin Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Haiqing He
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Zixi Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Yingying Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Guisheng Xiang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Penghua Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Xingkuan Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
| | - Gang Lu
- Key Laboratory of Colloid and Interface Chemistry Ministry of Education School of Chemistry and Chemical Engineering State Key Laboratory of Crystal Materials Shandong University Jinan Shandong 250100 China
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany University of Chinese Academy of Sciences Chinese Academy of Sciences 132 Lanhei Road Kunming 650201 China
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20
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Zhang Y, He H, Chen Z, Huang Y, Xiang G, Li P, Yang X, Lu G, Xiao G. Merging Reagent Modulation and Remote Anchimeric Assistance for Glycosylation: Highly Stereoselective Synthesis of α-Glycans up to a 30-mer. Angew Chem Int Ed Engl 2021; 60:12597-12606. [PMID: 33763930 DOI: 10.1002/anie.202103826] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Indexed: 12/12/2022]
Abstract
The efficient synthesis of long, branched, and complex carbohydrates containing multiple 1,2-cis glycosidic linkages is a long-standing challenge. Here, we report a merging reagent modulation and 6-O-levulinoyl remote anchimeric assistance glycosylation strategy, which is successfully applied to the first highly stereoselective synthesis of the branched Dendrobium Huoshanense glycans and the linear Longan glycans containing up to 30 contiguous 1,2-cis glucosidic bonds. DFT calculations shed light on the origin of the much higher stereoselectivities of 1,2-cis glucosylation with 6-O-levulinoyl group than 6-O-acetyl or 6-O-benzoyl groups. Orthogonal one-pot glycosylation strategy based on glycosyl ortho-alkynylbenzoates and ortho-(1-phenylvinyl)benzoates has been demonstrated in the efficient synthesis of complex glycans, precluding such issues as aglycon transfer inherent to orthogonal one-pot synthesis based on thioglycosides.
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Affiliation(s)
- Yunqin Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Haiqing He
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Zixi Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Yingying Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Guisheng Xiang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Penghua Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Xingkuan Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Gang Lu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong, 250100, China
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
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21
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Steber HB, Singh Y, Demchenko AV. Bismuth(iii) triflate as a novel and efficient activator for glycosyl halides. Org Biomol Chem 2021; 19:3220-3233. [PMID: 33885577 PMCID: PMC8112625 DOI: 10.1039/d1ob00093d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Presented herein is the discovery that bismuth(iii) trifluoromethanesulfonate (Bi(OTf)3) is an effective catalyst for the activation of glycosyl bromides and glycosyl chlorides. The key objective for the development of this methodology is to employ only one promoter in the lowest possible amount and to avoid using any additive/co-catalyst/acid scavenger except molecular sieves. Bi(OTf)3 works well in promoting the glycosidation of differentially protected glucosyl, galactosyl, and mannosyl halides with many classes of glycosyl acceptors. Most reactions complete within 1 h in the presence of only 35% of green and light-stable Bi(OTf)3 catalyst.
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Affiliation(s)
- Hayley B Steber
- Department of Chemistry and Biochemistry, University of Missouri - St Louis, One University Boulevard, St Louis, Missouri 63121, USA.
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22
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Liu R, Hua Q, Lou Q, Wang J, Li X, Ma Z, Yang Y. NIS/TMSOTf-Promoted Glycosidation of Glycosyl ortho-Hexynylbenzoates for Versatile Synthesis of O-Glycosides and Nucleosides. J Org Chem 2021; 86:4763-4778. [PMID: 33689328 DOI: 10.1021/acs.joc.1c00151] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Glycosidation plays a pivotal role in the synthesis of O-glycosides and nucleosides that mediate a diverse range of biological processes. However, efficient glycosidation approach for the synthesis of both O-glycosides and nucleosides remains challenging in terms of glycosidation yields, mild reaction conditions, readily available glycosyl donors, and cheap promoters. Here, we report a versatile N-iodosuccinimide/trimethylsilyl triflate (NIS/TMSOTf)-promoted glycosidation approach with glycosyl ortho-hexynylbenzoates as donors for the highly efficient synthesis of O-glycosides and nucleosides. The glycosidation approach highlights the merits of mild reaction conditions, cheap promoters, extremely wide substrate scope, and good to excellent yields. Notably, the glycosidation approach performs very well in the construction of a series of challenging O- and N-glycosidic linkages. The glycosidation approach is then applied to the efficient synthesis of oligosaccharides via the one-pot strategy and the stepwise strategy. On the basis of the isolation and characterization of the departure species derived from the leaving group, a plausible mechanism of NIS/TMSOTf-promoted glycosidation of glycosyl ortho-hexynylbenzoates is proposed.
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Affiliation(s)
- Rongkun Liu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Qingting Hua
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Qixin Lou
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jiazhe Wang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiaona Li
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhi Ma
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - You Yang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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23
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Li P, He H, Xu L, Huang Y, Chen Z, Zhang Y, Yang R, Xiao G. Ortho-(1-phenylvinyl)benzyl glycosides: Ether-type glycosyl donors for the efficient synthesis of both O-glycosides and nucleosides. GREEN SYNTHESIS AND CATALYSIS 2020. [DOI: 10.1016/j.gresc.2020.10.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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24
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Li W, Yu B. Temporary ether protecting groups at the anomeric center in complex carbohydrate synthesis. Adv Carbohydr Chem Biochem 2020; 77:1-69. [PMID: 33004110 DOI: 10.1016/bs.accb.2019.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The synthesis of a carbohydrate building block usually starts with introduction of a temporary protecting group at the anomeric center and ends with its selective cleavage for further transformation. Thus, the choice of the anomeric temporary protecting group must be carefully considered because it should retain intact during the whole synthetic manipulation, and it should be chemoselectively removable without affecting other functional groups at a late stage in the synthesis. Etherate groups are the most widely used temporary protecting groups at the anomeric center, generally including allyl ethers, MP (p-methoxyphenyl) ethers, benzyl ethers, PMB (p-methoxybenzyl) eithers, and silyl ethers. This chapter provides a comprehensive review on their formation, cleavage, and applications in the synthesis of complex carbohydrates.
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Affiliation(s)
- Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Biao Yu
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.
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25
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Mukherjee MM, Maity SK, Ghosh R. One-pot construction of carbohydrate scaffolds mediated by metal catalysts. RSC Adv 2020; 10:32450-32475. [PMID: 35516477 PMCID: PMC9056687 DOI: 10.1039/d0ra05355d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 08/04/2020] [Indexed: 11/21/2022] Open
Abstract
Owing to the environmental concern worldwide and also due to cost, time and labour issues, use of one-pot reactions [domino/cascade/tandem/multi-component (MC) or sequential] has gained much attention among the scientific and industrial communities for the generation of compound libraries having different scaffolds. Inclusion of sugars in such compounds is expected to increase the pharmacological efficacy because of the possibility of better interactions with the receptors of such unnatural glycoconjugates. In many of the one-pot transformations, the presence of a metal salt/complex can improve the reaction/change the course of reaction with remarkable increase in chemo-/regio-/stereo-selectivity. On the other hand because of the importance of natural polymeric glycoconjugates in life processes, the development and efficient synthesis of related oligosaccharides, particularly utilising one-pot MC-glycosylation techniques are necessary. The present review is an endeavour to discuss one-pot transformations involving carbohydrates catalysed by a metal salt/complex.
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Affiliation(s)
- Mana Mohan Mukherjee
- Laboratory of Cell and Molecular Biology, NIDDK, National Institutes of Health Bethesda MD 20892 USA
| | | | - Rina Ghosh
- Department of Chemistry, Jadavpur University Kolkata 700032 India
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26
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Li BH, Ye XS. Recent advances in glycan synthesis. Curr Opin Chem Biol 2020; 58:20-27. [PMID: 32480314 DOI: 10.1016/j.cbpa.2020.04.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/04/2020] [Accepted: 04/13/2020] [Indexed: 12/29/2022]
Abstract
Carbohydrates play important roles in life science, but their synthesis is always hampered by their complicated chemical structures. Scientists have never stopped trying to solve the problem of glycan synthesis from various aspects. Here a brief overview of recent progress in glycan synthesis, including chemical approaches, chemoenzymatic approaches, and automated synthesis, will be discussed, focusing on the efficiency of new glycosylation methods, the stereoselectivity of coupled products, and their applications in the assembly of complex glycan chains.
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Affiliation(s)
- Bo-Han Li
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Xin-Shan Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China.
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27
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Zhao X, Zeng J, Meng L, Wan Q. Application of Interrupted Pummerer Reaction Mediated (IPRm) Glycosylation in Natural Product Synthesis. CHEM REC 2020; 20:743-751. [DOI: 10.1002/tcr.201900097] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Xiang Zhao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of PharmacyHuazhong University of Science and Technology 13 Hangkong Road, Wuhan Hubei 430030 China
| | - Jing Zeng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of PharmacyHuazhong University of Science and Technology 13 Hangkong Road, Wuhan Hubei 430030 China
| | - Lingkui Meng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of PharmacyHuazhong University of Science and Technology 13 Hangkong Road, Wuhan Hubei 430030 China
| | - Qian Wan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of PharmacyHuazhong University of Science and Technology 13 Hangkong Road, Wuhan Hubei 430030 China
- Institute of Brain ResearchHuazhong University of Science and Technology China
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28
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Lv J, Zhu JJ, Liu Y, Dong H. Regioselective Sulfonylation/Acylation of Carbohydrates Catalyzed by FeCl 3 Combined with Benzoyltrifluoroacetone and Its Mechanism Study. J Org Chem 2020; 85:3307-3319. [PMID: 31984732 DOI: 10.1021/acs.joc.9b03128] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A catalytic amount of FeCl3 combined with benzoyl trifluoroacetone (Hbtfa) (FeCl3/Hbtfa = 1/2) was used to catalyze sulfonylation/acylation of diols and polyols using diisopropylethylamine (DIPEA) or potassium carbonate (K2CO3) as a base. The catalytic system exhibited high catalytic activity, leading to excellent isolated yields of sulfonylation/acylation products with high regioselectivities. Mechanism studies indicated that FeCl3 initially formed [Fe(btfa)3] (btfa = benzoyl trifluoroacetonate) with twice the amount of Hbtfa under basic conditions in the solvent acetonitrile at room temperature. Then, Fe(btfa)3 and two hydroxyl groups of the substrates formed a five- or six-membered ring intermediate in the presence of the base. The subsequent reaction between the cyclic intermediate and a sulfonylation reagent led to the selective sulfonylation of the substrate. All key intermediates were captured in the high-resolution mass spectrometry assay, therefore demonstrating this mechanism for the first time.
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Affiliation(s)
- Jian Lv
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Jia-Jia Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Yu Liu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Hai Dong
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China.,Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
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29
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Chen J, Hansen T, Zhang Q, Liu D, Sun Y, Yan H, Codée JDC, Schmidt RR, Sun J. 1‐Picolinyl‐5‐azido Thiosialosides: Versatile Donors for the Stereoselective Construction of Sialyl Linkages. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jian Chen
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Thomas Hansen
- Leiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden Netherlands
| | - Qing‐Ju Zhang
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - De‐Yong Liu
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Yao Sun
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Hao Yan
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Jeroen D. C. Codée
- Leiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden Netherlands
| | - Richard R. Schmidt
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
- Department of ChemistryUniversity of Konstanz 78457 Konstanz Germany
| | - Jian‐Song Sun
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
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30
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Chen J, Hansen T, Zhang Q, Liu D, Sun Y, Yan H, Codée JDC, Schmidt RR, Sun J. 1‐Picolinyl‐5‐azido Thiosialosides: Versatile Donors for the Stereoselective Construction of Sialyl Linkages. Angew Chem Int Ed Engl 2019; 58:17000-17008. [DOI: 10.1002/anie.201909177] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/29/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Jian Chen
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Thomas Hansen
- Leiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden Netherlands
| | - Qing‐Ju Zhang
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - De‐Yong Liu
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Yao Sun
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Hao Yan
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
| | - Jeroen D. C. Codée
- Leiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden Netherlands
| | - Richard R. Schmidt
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
- Department of ChemistryUniversity of Konstanz 78457 Konstanz Germany
| | - Jian‐Song Sun
- The National Research Center for Carbohydrate SynthesisJiangxi Normal University 99 Ziyang Avenue Nanchang 330022 China
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31
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Liu R, Li X, Li X, Wang J, Yang Y. Gold(I)-Catalyzed Intermolecular Rearrangement Reaction of Glycosyl Alkynoic β-Ketoesters for the Synthesis of 4-O-Glycosylated 2-Pyrones. J Org Chem 2019; 84:14141-14150. [DOI: 10.1021/acs.joc.9b01582] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Rongkun Liu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiaoqian Li
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiaona Li
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jiazhe Wang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - You Yang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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32
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Zu Y, Cai C, Sheng J, Cheng L, Feng Y, Zhang S, Zhang Q, Chai Y. n-Pentenyl-Type Glycosides for Catalytic Glycosylation and Their Application in Single-Catalyst One-Pot Oligosaccharide Assemblies. Org Lett 2019; 21:8270-8274. [DOI: 10.1021/acs.orglett.9b03038] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yujia Zu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Chenglin Cai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Jingyuan Sheng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Lili Cheng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Yingle Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Shengyong Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
| | - Qi Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Yonghai Chai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi’an, Shaanxi 710119, P. R. China
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33
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Lv J, Luo T, Zou D, Dong H. Using DMF as Both a Catalyst and Cosolvent for the Regioselective Silylation of Polyols and Diols. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901195] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jian Lv
- Key Laboratory for Large-Format Battery Materials and System; Ministry of Education; School of Chemistry & Chemical Engineering; Huazhong University of Science & Technology; Luoyu Road 1037 430074 Hongshan Wuhan P.R. China
| | - Tao Luo
- Key Laboratory for Large-Format Battery Materials and System; Ministry of Education; School of Chemistry & Chemical Engineering; Huazhong University of Science & Technology; Luoyu Road 1037 430074 Hongshan Wuhan P.R. China
| | - Dapeng Zou
- The College of Chemistry and Molecular Engineering; Zhengzhou University; 450052 Zhengzhou P. R. China
| | - Hai Dong
- Key Laboratory for Large-Format Battery Materials and System; Ministry of Education; School of Chemistry & Chemical Engineering; Huazhong University of Science & Technology; Luoyu Road 1037 430074 Hongshan Wuhan P.R. China
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34
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Ren B, Zhang M, Xu S, Gan L, Zhang L, Tang L. DBN-Catalyzed Regioselective Acylation of Carbohydrates and Diols in Ethyl Acetate. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Bo Ren
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
| | - Mengyao Zhang
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
| | - Shijie Xu
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
| | - Lu Gan
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
| | - Li Zhang
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
| | - Lin Tang
- College of Chemistry & Chemical Engineering; Xinyang Normal University; Nanhu Road 237, Xinyang, Henan 464000 P. R. China
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35
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Meng L, Wu P, Fang J, Xiao Y, Xiao X, Tu G, Ma X, Teng S, Zeng J, Wan Q. Glycosylation Enabled by Successive Rhodium(II) and Brønsted Acid Catalysis. J Am Chem Soc 2019; 141:11775-11780. [DOI: 10.1021/jacs.9b04619] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Lingkui Meng
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Peng Wu
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Jing Fang
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Ying Xiao
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Xiong Xiao
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Guangsheng Tu
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Xiang Ma
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Shuang Teng
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Jing Zeng
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Qian Wan
- Hubei Key Laboratory of Natural Medicinal
Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, Hubei 430030, China
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36
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Liu J, Han P, Liao JX, Tu YH, Zhou H, Sun JS. Palladium-Catalyzed Cross-Coupling of 2-Iodoglycals with N-Tosylhydrazones: Access to 2-C-Branched Glycoconjugates and Oxadecalins. J Org Chem 2019; 84:9344-9352. [DOI: 10.1021/acs.joc.9b01056] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianchao Liu
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Puren Han
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Jin-Xi Liao
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Yuan-Hong Tu
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Huiwen Zhou
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
| | - Jian-Song Sun
- The National Research Centre for Carbohydrate Synthesis, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China
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37
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Zhang Y, Xiang G, He S, Hu Y, Liu Y, Xu L, Xiao G. Orthogonal One-Pot Synthesis of Oligosaccharides Based on Glycosyl ortho-Alkynylbenzoates. Org Lett 2019; 21:2335-2339. [PMID: 30869522 DOI: 10.1021/acs.orglett.9b00617] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
One of the most popular one-pot glycosylation strategies is orthogonal one-pot synthesis, which was mainly based on thioglycosides. Despite its successful application, shortcomings of thioglycosides including aglycon transfers, interference of departing species and unpleasant odor restrict its application scope. Herein, we report a new and efficient orthogonal one-pot synthesis of oligosaccahrides based on glycosyl ortho-alkynylbenzoate, which solves the issues of thioglycoside-based orthogonal one-pot synthesis. Over a dozen of oligosaccharides have been efficiently synthesized by this method.
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Affiliation(s)
- Yunqin Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Guisheng Xiang
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Shaojun He
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Yikao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Yanjun Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Lili Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Kunming 650201 , China
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38
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Hu Z, Tang Y, Yu B. Glycosylation with 3,5-Dimethyl-4-(2′-phenylethynylphenyl)phenyl (EPP) Glycosides via a Dearomative Activation Mechanism. J Am Chem Soc 2019; 141:4806-4810. [DOI: 10.1021/jacs.9b00210] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Zhifei Hu
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
| | - Yu Tang
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Biao Yu
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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39
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Du S, Ragains JR. MPTGs: Thioglycoside Donors for Acid-Catalyzed O-Glycosylation and Latent-Active Synthetic Strategies. Org Lett 2019; 21:980-983. [DOI: 10.1021/acs.orglett.8b03958] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shaofu Du
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Justin R. Ragains
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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40
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Shaw M, Thakur R, Kumar A. Gold(III)-Catalyzed Glycosylation using Phenylpropiolate Glycosides: Phenylpropiolic Acid, An Easily Separable and Reusable Leaving Group. J Org Chem 2019; 84:589-605. [PMID: 30569713 DOI: 10.1021/acs.joc.8b02422] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An efficient and operationally simple gold(III)-catalyzed glycosylation protocol was developed using newly synthesized benchtop stable phenylpropiolate glycosyl (PPG) donors. Gold(III)-catalyzed activation of PPGs proceeds well with various carbohydrate and noncarbohydrate-based glycosyl acceptors and leads to their corresponding O/ N-glycosides in good to excellent yields with regeneration of reusable and easily separable phenylpropiolic acid. Differentially protected PPGs reacted well under the optimized reaction conditions. In particular, good anomeric selectivity was observed with mannosyl and rhamnosyl PPG donors. A preliminary mechanistic study reveals that the presence of a triple bond adjacent to the ester group is essential for activation, and PPG-based donor shows higher reactivity than analogous acetate and benzoate donors.
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Affiliation(s)
- Mukta Shaw
- Department of Chemistry , Indian Institute of Technology Patna , Bihta 801106 , Bihar , India
| | - Rima Thakur
- Department of Chemistry , National Institute of Technology Patna , Patna 800005 , Bihar , India
| | - Amit Kumar
- Department of Chemistry , Indian Institute of Technology Patna , Bihta 801106 , Bihar , India
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41
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Wang J, Lou Q, Rong J, Yang Y. Gold(i)-promoted α-selective sialylation of glycosylortho-hexynylbenzoates for the latent-active synthesis of oligosialic acids. Org Biomol Chem 2019; 17:6580-6584. [DOI: 10.1039/c9ob00954j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A gold(i)-promoted α-selective glycosylation approach with sialylortho-hexynylbenzoates as donors is developed for the latent-active synthesis of α-(2 → 9)-linked oligosialic acids.
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Affiliation(s)
- Jiazhe Wang
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Qixin Lou
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Jingjing Rong
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- China
| | - You Yang
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- China
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42
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van der Vorm S, Hansen T, van Hengst JMA, Overkleeft HS, van der Marel GA, Codée JDC. Acceptor reactivity in glycosylation reactions. Chem Soc Rev 2019; 48:4688-4706. [DOI: 10.1039/c8cs00369f] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effect of the reactivity of the glycosyl acceptor on the outcome of glycosylation reactions is reviewed.
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Affiliation(s)
| | - Thomas Hansen
- Leiden Institute of Chemistry
- Leiden University
- 2333 CC Leiden
- The Netherlands
| | | | | | | | - Jeroen D. C. Codée
- Leiden Institute of Chemistry
- Leiden University
- 2333 CC Leiden
- The Netherlands
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43
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Liang H, Ma L, Li C, Peng Q, Wang Z, Zhang ZX, Yu L, Liu H, An F, Xue W. Efficient glycosylation with glycosyl ortho-allylbenzoates as donors. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.11.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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44
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Lv J, Luo T, Zhang Y, Pei Z, Dong H. Regio/Site-Selective Benzoylation of Carbohydrates by Catalytic Amounts of FeCl 3. ACS OMEGA 2018; 3:17717-17723. [PMID: 31458369 PMCID: PMC6643987 DOI: 10.1021/acsomega.8b02360] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 12/06/2018] [Indexed: 05/10/2023]
Abstract
This work uncovered the regio/site-selective benzoylation of 1,2- and 1,3-diols and glycosides containing a cis-vicinal diol using a catalytic amount of FeCl3 with the assistance of acetylacetone. FeCl3 may initially form [Fe(acac)3] (acac = acetylacetonate) with excess acetylacetone in the presence of diisopropylethylamine (DIPEA) in acetonitrile at room temperature. Then, benzoylation was catalyzed by Fe(acac)3 with added benzoyl chloride in the presence of DIPEA under mild conditions as reported. This reaction produced selectivities and isolated yields similar to or slightly lower than the reaction using Fe(acac)3 as a catalyst in most cases. The result provides not only the green and convenient selective benzoylation method associated with the most inexpensive catalysts but also the possibility that the effects of various metal salts and ligands on the regioselective protection can be extensively investigated in future study to obtain the optimized catalytic system.
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Affiliation(s)
- Jian Lv
- Key
Laboratory of Material Chemistry for Energy Conversion and Storage,
Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Tao Luo
- Key
Laboratory of Material Chemistry for Energy Conversion and Storage,
Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Ying Zhang
- Key
Laboratory of Material Chemistry for Energy Conversion and Storage,
Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
| | - Zhichao Pei
- College
of Chemistry and Pharmacy, Northwest A&F
University, Yangling, 712100 Shaanxi, P. R. China
| | - Hai Dong
- Key
Laboratory of Material Chemistry for Energy Conversion and Storage,
Ministry of Education, School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology, Luoyu Road 1037, Wuhan 430074, PR China
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45
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Yao H, Vu MD, Liu XW. Recent advances in reagent-controlled stereoselective/stereospecific glycosylation. Carbohydr Res 2018; 473:72-81. [PMID: 30641292 DOI: 10.1016/j.carres.2018.10.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 10/18/2018] [Accepted: 10/18/2018] [Indexed: 12/15/2022]
Abstract
The formation of O-glycosidic linkage is arguably one of the most important topics in glycoscience due to the prevalence of O-glycosides in nature. Great efforts have been devoted to this field by many carbohydrate chemists to develop stereoselective/stereospecific glycosylation methodologies. Although glycosyl donor- and acceptor-controlled strategies have significantly progressed, the tedious design and pre-synthesis of substrates could not be avoided. On the other hand, reagent-controlled glycosylation can overcome these challenges and produce the desired selectivity by only altering external factors such as concentration, reagents or other reaction conditions. This mini-review discusses selected recent novel methodologies on reagent-mediated stereo-controlled glycosylation in the last decade, classified by the types of glycosyl donors.
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Affiliation(s)
- Hui Yao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Minh Duy Vu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Xue-Wei Liu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore.
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46
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Qiao Z, Liu H, Sui JJ, Liao JX, Tu YH, Schmidt RR, Sun JS. Diversity-Oriented Synthesis of Steviol Glycosides. J Org Chem 2018; 83:11480-11492. [PMID: 30183288 DOI: 10.1021/acs.joc.8b01274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
With cheap and easily available mixtures of steviol glycosides as starting materials, a practical method for steviol acquisition has been developed, on the basis of which a facile, diversity-oriented, and economic protocol for the synthesis of structurally defined steviol glycosides was established. The novel approach is featured by the highly efficient glycosylation of sterically hindered and acid-sensitive steviol via orchestrated application of Yu glycosylation, Schmidt glycosylation, and PTC glycosylation. Hence, these high-intensity sweeteners and potential lead compounds for drug development are now readily accessible.
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Affiliation(s)
- Zhi Qiao
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
| | - Hui Liu
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
| | - Jing-Jing Sui
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
| | - Jin-Xi Liao
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
| | - Yuan-Hong Tu
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
| | - Richard R Schmidt
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China.,Department of Chemistry , University of Konstanz , D-78457 , Konstanz , Germany
| | - Jian-Song Sun
- The National Research Centre for Carbohydrate Synthesis , Jiangxi Normal University 99 Ziyang Avenue , Nanchang 330022 , China
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47
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Ren B, Gan L, Zhang L, Yan N, Dong H. Diisopropylethylamine-triggered, highly efficient, self-catalyzed regioselective acylation of carbohydrates and diols. Org Biomol Chem 2018; 16:5591-5597. [PMID: 30027976 DOI: 10.1039/c8ob01464g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A diisopropylethylamine (DIPEA)-triggered, self-catalyzed, regioselective acylation of carbohydrates and diols is presented. The hydroxyl groups can be acylated by the corresponding anhydride in MeCN in the presence of a catalytic amount of DIPEA. This method is comparatively green and mild as it uses less organic base compared with other selective acylation methods. Mechanistic studies indicate that DIPEA reacts with the anhydride to form a carboxylate ion, and then the carboxylate ion could catalyze the selective acylation through a dual H-bonding interaction.
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Affiliation(s)
- Bo Ren
- College of Chemistry & Chemical Engineering, Xinyang Normal University, Nanhu Road 237, Xinyang, Henan 464000, P. R. China.
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48
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Liu M, Li BH, Xiong DC, Ye XS. O-Glycosylation Enabled by N-(Glycosyloxy)acetamides. J Org Chem 2018; 83:8292-8303. [PMID: 29938493 DOI: 10.1021/acs.joc.8b01003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A novel glycosylation protocol has been established by using N-(glycosyloxy)acetamides as glycosyl donors. The N-oxyacetamide leaving group in donors could be rapidly activated in the presence of Cu(OTf)2 or SnCl4 under microwave irradiation. This glycosylation process afforded the coupled products in high yields, and the reaction enjoyed a broad substrate scope, even for disarmed donors and hindered acceptors. The easy availability of the donors, the high stability of N-(glycosyloxy)acetamides, and the small leaving group make this method very practical.
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Affiliation(s)
- Miao Liu
- National Research Center for Carbohydrate Synthesis , Jiangxi Normal University , Nanchang 330022 , China.,State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China
| | - Bo-Han Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China
| | - De-Cai Xiong
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China.,State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , China
| | - Xin-Shan Ye
- National Research Center for Carbohydrate Synthesis , Jiangxi Normal University , Nanchang 330022 , China.,State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China
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49
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Kulkarni SS, Wang CC, Sabbavarapu NM, Podilapu AR, Liao PH, Hung SC. "One-Pot" Protection, Glycosylation, and Protection-Glycosylation Strategies of Carbohydrates. Chem Rev 2018; 118:8025-8104. [PMID: 29870239 DOI: 10.1021/acs.chemrev.8b00036] [Citation(s) in RCA: 202] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Carbohydrates, which are ubiquitously distributed throughout the three domains of life, play significant roles in a variety of vital biological processes. Access to unique and homogeneous carbohydrate materials is important to understand their physical properties, biological functions, and disease-related features. It is difficult to isolate carbohydrates in acceptable purity and amounts from natural sources. Therefore, complex saccharides with well-defined structures are often most conviently accessed through chemical syntheses. Two major hurdles, regioselective protection and stereoselective glycosylation, are faced by carbohydrate chemists in synthesizing these highly complicated molecules. Over the past few years, there has been a radical change in tackling these problems and speeding up the synthesis of oligosaccharides. This is largely due to the development of one-pot protection, one-pot glycosylation, and one-pot protection-glycosylation protocols and streamlined approaches to orthogonally protected building blocks, including those from rare sugars, that can be used in glycan coupling. In addition, new automated strategies for oligosaccharide syntheses have been reported not only for program-controlled assembly on solid support but also by the stepwise glycosylation in solution phase. As a result, various sugar molecules with highly complex, large structures could be successfully synthesized. To summarize these recent advances, this review describes the methodologies for one-pot protection and their one-pot glycosylation into the complex glycans and the chronological developments associated with automated syntheses of oligosaccharides.
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Affiliation(s)
- Suvarn S Kulkarni
- Department of Chemistry , Indian Institute of Technology Bombay , Mumbai 400076 , India
| | | | | | - Ananda Rao Podilapu
- Department of Chemistry , Indian Institute of Technology Bombay , Mumbai 400076 , India
| | - Pin-Hsuan Liao
- Institute of Chemistry , Academia Sinica , Taipei 115 , Taiwan
| | - Shang-Cheng Hung
- Genomics Research Center , Academia Sinica , Taipei 115 , Taiwan
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Chen W, Zeng J, Wang H, Xiao X, Meng L, Wan Q. Tracking the leaving group in the remote activation of O -2-[(propan-2-yl)sulfinyl]benzyl (OPSB) glycoside. Carbohydr Res 2017; 452:1-5. [DOI: 10.1016/j.carres.2017.09.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/26/2017] [Accepted: 09/26/2017] [Indexed: 12/14/2022]
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