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Demchenko AV, De Meo C. The 4K reaction. Carbohydr Res 2024; 538:109102. [PMID: 38569333 DOI: 10.1016/j.carres.2024.109102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
The classical Koenigs-Knorr glycosidation of bromides or chlorides promoted with Ag2O or Ag2CO3 works only with reactive substrates (ideally both donor and acceptor). This reaction was found to be practically ineffective with unreactive donors such as per-O-benzoylated mannosyl bromide. Recently, it was discovered that the addition of catalytic (Lewis) acids to a silver salt-promoted reaction has a dramatic effect on the reaction rate and yield. A tentative mechanism for this cooperatively-catalyzed glycosylation reaction has been proposed, and the improved understanding of the reaction led to more efficient protocols and broader applications to a variety of glycosidic linkages. Since Ag2O-mediated activation was introduced by German chemists Koenigs and Knorr, and "cooperatively catalyzed" is Kooperativ Katalysiert in German, we refer to this new reaction as "the 4K reaction."
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Affiliation(s)
- Alexei V Demchenko
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave, St. Louis, Missouri, 63103, United States.
| | - Cristina De Meo
- Department of Chemistry, Southern Illinois University Edwardsville, 1 Hairpin Dr., Edwardsville, IL, 62025, United States
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2
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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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3
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Singh Y, Geringer SA, Demchenko AV. Synthesis and Glycosidation of Anomeric Halides: Evolution from Early Studies to Modern Methods of the 21st Century. Chem Rev 2022; 122:11701-11758. [PMID: 35675037 DOI: 10.1021/acs.chemrev.2c00029] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Advances in synthetic carbohydrate chemistry have dramatically improved access to common glycans. However, many novel methods still fail to adequately address challenges associated with chemical glycosylation and glycan synthesis. Since a challenge of glycosylation has remained, scientists have been frequently returning to the traditional glycosyl donors. This review is dedicated to glycosyl halides that have played crucial roles in shaping the field of glycosciences and continue to pave the way toward our understanding of chemical glycosylation.
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Affiliation(s)
- Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Scott A Geringer
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States.,Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
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4
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Escopy S, Singh Y, Stine KJ, Demchenko AV. HPLC‐Based Automated Synthesis of Glycans in Solution. Chemistry 2022; 28:e202201180. [DOI: 10.1002/chem.202201180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Samira Escopy
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
- Department of Chemistry Saint Louis University 3501 Laclede Ave St. Louis Missouri 63103 USA
| | - Yashapal Singh
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
| | - Keith J. Stine
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
- Department of Chemistry Saint Louis University 3501 Laclede Ave St. Louis Missouri 63103 USA
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5
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Mukherjee MM, Ghosh R, Hanover JA. Recent Advances in Stereoselective Chemical O-Glycosylation Reactions. Front Mol Biosci 2022; 9:896187. [PMID: 35775080 PMCID: PMC9237389 DOI: 10.3389/fmolb.2022.896187] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/21/2022] [Indexed: 12/26/2022] Open
Abstract
Carbohydrates involving glycoconjugates play a pivotal role in many life processes. Better understanding toward glycobiological events including the structure–function relationship of these biomolecules and for diagnostic and therapeutic purposes including tailor-made vaccine development and synthesis of structurally well-defined oligosaccharides (OS) become important. Efficient chemical glycosylation in high yield and stereoselectivity is however challenging and depends on the fine tuning of a protection profile to get matching glycosyl donor–acceptor reactivity along with proper use of other important external factors like catalyst, solvent, temperature, activator, and additive. So far, many glycosylation methods have been reported including several reviews also. In the present review, we will concentrate our discussion on the recent trend on α- and β-selective glycosylation reactions reported during the past decade.
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Affiliation(s)
- Mana Mohan Mukherjee
- Laboratory of Cell and Molecular Biology, NIDDK, National Institutes of Health, Bethesda, MD, United States
| | - Rina Ghosh
- Department of Chemistry, Jadavpur University, Kolkata, India
- *Correspondence: John A. Hanover, ; Rina Ghosh,
| | - John A. Hanover
- Laboratory of Cell and Molecular Biology, NIDDK, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: John A. Hanover, ; Rina Ghosh,
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6
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Chen J, Tang Y, Yu B. A Mild Glycosylation Protocol with Glycosyl 1‐Methylimidazole‐2‐carboxylates as Donors. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jianpeng Chen
- 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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7
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Escopy S, Singh Y, Stine KJ, Demchenko AV. A Streamlined Regenerative Glycosylation Reaction: Direct, Acid-Free Activation of Thioglycosides. Chemistry 2021; 27:354-361. [PMID: 32804435 DOI: 10.1002/chem.202003479] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Indexed: 01/12/2023]
Abstract
Our group has previously reported that 3,3-difluoroxindole (HOFox) is able to mediate glycosylations via intermediacy of OFox imidates. Thioglycoside precursors were first converted into the corresponding glycosyl bromides that were then converted into the OFox imidates in the presence of Ag2 O followed by the activation with catalytic Lewis acid in a regenerative fashion. Reported herein is a direct conversion of thioglycosides via the regenerative approach that bypasses the intermediacy of bromides and eliminates the need for heavy-metal-based promoters. The direct regenerative activation of thioglycosides is achieved under neutral reaction conditions using only 1 equiv. NIS and catalytic HOFox without the acidic additives.
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Affiliation(s)
- Samira Escopy
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri, 63121, USA
| | - Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri, 63121, USA
| | - Keith J Stine
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri, 63121, USA
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri, 63121, USA
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8
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Abstract
Because of their pivotal biological functions, attention to sugars and glycobiology has grown rapidly in recent decades, leading to increased demand for homogeneous oligosaccharides. The stereoselective preparation of oligosaccharides by chemical means remains challenging and continues to be a vivid research area for organic chemists. In the past decade, new approaches and reinvestigated traditional methods have transformed the field. These developments include novel catalyses, various types of glycosylation modulators and the use of photochemical energy to facilitate glycosylation. This Minireview presents a brief overview of the latest trends in chemical glycosylation, with emphasis on the stereoselective synthetic protocols developed in the past decade.
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Affiliation(s)
- Jesse Ling
- Department of Chemistry, Tufts University, 62 Talbot Ave., Medford, MA 02155, USA
| | - Clay S Bennett
- Department of Chemistry, Tufts University, 62 Talbot Ave., Medford, MA 02155, USA
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9
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Wang T, Singh Y, Stine KJ, Demchenko AV. Investigation of Glycosyl Nitrates as Building Blocks for Chemical Glycosylation. European J Org Chem 2018; 2018:6699-6705. [PMID: 31341403 DOI: 10.1002/ejoc.201801272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Glycosyl nitrates are important synthetic intermediates in the synthesis of 2-amino sugars, 1,2-orthoesters or, more recently, 2-OH glucose. However, glycosyl nitrates have never been glycosidated. Presented herein is our first attempt to use glycosyl nitrates as glycosyl donors for O-glycosylation. Lanthanide triflates showed good affinity to activate the nitrate leaving group.
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Affiliation(s)
- Tinghua Wang
- Department of Chemistry and Biochemistry, University of Missouri - St. Louis, One University Boulevard, St. Louis, Missouri 63121, USA
| | - Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri - St. Louis, One University Boulevard, St. Louis, Missouri 63121, USA
| | - Keith J Stine
- Department of Chemistry and Biochemistry, University of Missouri - St. Louis, One University Boulevard, St. Louis, Missouri 63121, USA
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri - St. Louis, One University Boulevard, St. Louis, Missouri 63121, USA
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10
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Panza M, Pistorio SG, Stine KJ, Demchenko AV. Automated Chemical Oligosaccharide Synthesis: Novel Approach to Traditional Challenges. Chem Rev 2018; 118:8105-8150. [PMID: 29953217 PMCID: PMC6522228 DOI: 10.1021/acs.chemrev.8b00051] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Advances in carbohydrate chemistry have certainly made common oligosaccharides much more accessible. However, many current methods still rely heavily upon specialized knowledge of carbohydrate chemistry. The application of automated technologies to chemical and life science applications such as genomics and proteomics represents a vibrant field. These automated technologies also present opportunities for their application to organic synthesis, including that of the synthesis of oligosaccharides. However, application of automated methods to the synthesis of carbohydrates is an underdeveloped area as compared to other classes of biomolecules. The overarching goal of this review article is to present the advances that have been made at the interface of carbohydrate chemistry and automated technology.
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Affiliation(s)
- Matteo Panza
- Department of Chemistry and Biochemistry, University of Missouri–St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Salvatore G. Pistorio
- Department of Chemistry and Biochemistry, University of Missouri–St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Keith J. Stine
- Department of Chemistry and Biochemistry, University of Missouri–St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry, University of Missouri–St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
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11
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Adero PO, Amarasekara H, Wen P, Bohé L, Crich D. The Experimental Evidence in Support of Glycosylation Mechanisms at the S N1-S N2 Interface. Chem Rev 2018; 118:8242-8284. [PMID: 29846062 PMCID: PMC6135681 DOI: 10.1021/acs.chemrev.8b00083] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A critical review of the state-of-the-art evidence in support of the mechanisms of glycosylation reactions is provided. Factors affecting the stability of putative oxocarbenium ions as intermediates at the SN1 end of the mechanistic continuum are first surveyed before the evidence, spectroscopic and indirect, for the existence of such species on the time scale of glycosylation reactions is presented. Current models for diastereoselectivity in nucleophilic attack on oxocarbenium ions are then described. Evidence in support of the intermediacy of activated covalent glycosyl donors is reviewed, before the influences of the structure of the nucleophile, of the solvent, of temperature, and of donor-acceptor hydrogen bonding on the mechanism of glycosylation reactions are surveyed. Studies on the kinetics of glycosylation reactions and the use of kinetic isotope effects for the determination of transition-state structure are presented, before computational models are finally surveyed. The review concludes with a critical appraisal of the state of the art.
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Affiliation(s)
- Philip Ouma Adero
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Harsha Amarasekara
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Peng Wen
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Luis Bohé
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 , Université Paris-Sud Université Paris-Saclay , 1 avenue de la Terrasse , 91198 Gif-sur-Yvette , France
| | - David Crich
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
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12
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Affiliation(s)
- Michael Martin Nielsen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
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13
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Abstract
Previously, we communicated 3,3-difluoroxindole (HOFox)-mediated glycosylations wherein 3,3-difluoro-3H-indol-2-yl (OFox) imidates were found to be key intermediates. Both the in situ synthesis from the corresponding glycosyl bromides and activation of the OFox imidates could be conducted in a regenerative fashion. Herein, we extend this study to the synthesis of various glycosidic linkages using different sugar series. The main outcome of this study relates to enhanced yields and/or reduced reaction times of glycosylations. The effect of HOFox-mediated reactions is particularly pronounced in case of unreactive glycosyl donors and/or glycosyl acceptors. A multistep regenerative synthesis of oligosaccharides is also reported.
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Affiliation(s)
- Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Tinghua Wang
- Department of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Scott A. Geringer
- Department of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Keith J. Stine
- Department of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
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14
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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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15
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Kitowski A, Jiménez-Moreno E, Salvadó M, Mestre J, Castillón S, Jiménez-Osés G, Boutureira O, Bernardes GJL. Oxidative Activation of C–S Bonds with an Electropositive Nitrogen Promoter Enables Orthogonal Glycosylation of Alkyl over Phenyl Thioglycosides. Org Lett 2017; 19:5490-5493. [DOI: 10.1021/acs.orglett.7b02886] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Annabel Kitowski
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
- Instituto
de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649−028 Lisboa, Portugal
| | - Ester Jiménez-Moreno
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Míriam Salvadó
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
- Departament
de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo
1, 43007 Tarragona, Spain
| | - Jordi Mestre
- Departament
de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo
1, 43007 Tarragona, Spain
| | - Sergio Castillón
- Departament
de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo
1, 43007 Tarragona, Spain
| | - Gonzalo Jiménez-Osés
- Departamento
de Química, Centro de Investigación en Síntesis
Química, Universidad de La Rioja, 26006 Logroño, Spain
| | - Omar Boutureira
- Departament
de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo
1, 43007 Tarragona, Spain
| | - Gonçalo J. L. Bernardes
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
- Instituto
de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649−028 Lisboa, Portugal
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Practical synthesis of latent disarmed S -2-(2-propylthio)benzyl glycosides for interrupted Pummerer reaction mediated glycosylation. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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