1
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Bhetuwal BR, Wu F, Acharya PP, Thapa P, Zhu J. Synthesis of 2-Amino-2-deoxy-β-d-mannosides via Stereoselective Anomeric O-Alkylation of 2 N,3 O-Oxazolidinone-Protected d-Mannosamine: Synthesis of the Trisaccharide Repeating Unit of Streptococcus pneumoniae 19F Polysaccharide. Org Lett 2023; 25:4214-4218. [PMID: 37257021 PMCID: PMC10330879 DOI: 10.1021/acs.orglett.3c01564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Cesium carbonate-mediated stereoselective anomeric O-alkylation of a 2N,3O-oxazolidinone-protected d-mannosamine with sugar-derived primary or secondary alkyl triflates afforded the corresponding 2-amino-2-deoxy-β-d-mannosides in moderate to good yields and excellent stereoselectivity. The oxazolidinone ring can be opened with aqueous alkali hydroxide to liberate the amine functionality. This method has been successfully applied to the synthesis of the trisaccharide repeating unit of Streptococcus pneumoniae 19F polysaccharide.
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Affiliation(s)
- Bishwa Raj Bhetuwal
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio 43606, United States
| | - Fenglang Wu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio 43606, United States
| | - Padam Prasad Acharya
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio 43606, United States
| | - Prakash Thapa
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio 43606, United States
| | - Jianglong Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio 43606, United States
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2
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Morelli L, Legnani L, Ronchi S, Confalonieri L, Imperio D, Toma L, Compostella F. 2,3-Carbamate mannosamine glycosyl donors in glycosylation reactions of diacetone-d-glucose. An experimental and theoretical study. Carbohydr Res 2021; 509:108421. [PMID: 34450528 DOI: 10.1016/j.carres.2021.108421] [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: 07/05/2021] [Revised: 08/05/2021] [Accepted: 08/18/2021] [Indexed: 11/25/2022]
Abstract
The role of the cyclic 2,3-N,O-carbamate protecting group in directing the selectivity of mannosylation reactions of diacetone-d-glucose, promoted by BSP/Tf2O via α-triflate intermediates, has been investigated through a combined computational and experimental approach. DFT calculations were used to locate the transition states leading to the α or β anomers. These data indicate the preferential formation of the β-adduct with mannosyl donors either equipped with the 4,6-O-benzylidene protection or without it. The synthetic results confirmed this preference, showing in both cases an α/β selectivity of 4:6. This highlights a role for the 2,3-N,O-carbamate in sharp contrast with what described in the case of 2,3-O-carbonate mannosyl donors.
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Affiliation(s)
- Laura Morelli
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Via Saldini 50, 20133 Milano, Italy
| | - Laura Legnani
- Dipartimento di Chimica, Università di Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Silvia Ronchi
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Via Saldini 50, 20133 Milano, Italy
| | - Laura Confalonieri
- Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, L.go Donegani 2, 28100 Novara, Italy
| | - Daniela Imperio
- Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, L.go Donegani 2, 28100 Novara, Italy
| | - Lucio Toma
- Dipartimento di Chimica, Università di Pavia, Via Taramelli 12, 27100 Pavia, Italy.
| | - Federica Compostella
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Via Saldini 50, 20133 Milano, Italy.
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3
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Bhetuwal BR, Wu F, Meng S, Zhu J. Stereoselective Synthesis of 2-Azido-2-deoxy-β-d-mannosides via Cs 2CO 3-Mediated Anomeric O-Alkylation with Primary Triflates: Synthesis of a Tetrasaccharide Fragment of Micrococcus luteus Teichuronic Acid. J Org Chem 2020; 85:16196-16206. [PMID: 33201716 DOI: 10.1021/acs.joc.0c02370] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cesium carbonate-mediated anomeric O-alkylation of various protected 2-azido-2-deoxy-d-mannoses with primary triflate electrophiles afforded corresponding 2-azido-2-deoxy-β-mannosides in good yields and excellent anomeric selectivity. In addition, 1,3-dibromo-5,5-dimethylhydantoin was found to be the optimal oxidant for preparation of those 2-azido-2-deoxy-d-mannoses from their corresponding thioglycosides. The utilization of this method was demonstrated in the synthesis of a tetrasaccharide fragment of Micrococcus luteus teichuronic acid containing N-acetyl-β-d-mannosaminuronic acid (ManNAcA).
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Affiliation(s)
- Bishwa Raj Bhetuwal
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Fenglang Wu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Shuai Meng
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Jianglong Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
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4
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Gucchait A, Kundu M, Manna T, Shit P, Misra AK. Influence of Functional Groups towards the β-Selective Glycosylation of 2-Azido-2-deoxy Glycosyl Thioglycosides. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000392] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Arin Gucchait
- Division of Molecular Medicine; Bose Institute; P-1/12, C.I.T. Scheme VII M 700054 Kolkata India
| | - Monalisa Kundu
- Division of Molecular Medicine; Bose Institute; P-1/12, C.I.T. Scheme VII M 700054 Kolkata India
| | - Tapasi Manna
- Division of Molecular Medicine; Bose Institute; P-1/12, C.I.T. Scheme VII M 700054 Kolkata India
| | - Pradip Shit
- Division of Molecular Medicine; Bose Institute; P-1/12, C.I.T. Scheme VII M 700054 Kolkata India
| | - Anup Kumar Misra
- Division of Molecular Medicine; Bose Institute; P-1/12, C.I.T. Scheme VII M 700054 Kolkata India
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5
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Arihara R, Kakita K, Yamada K, Nakamura S, Hashimoto S. Synthesis of the Tetrasaccharide Repeating Unit from Acinetobacter baumannii Serogroup O18 Capitalizing on Phosphorus-Containing Leaving Groups. J Org Chem 2015; 80:4278-88. [DOI: 10.1021/acs.joc.5b00139] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ryoichi Arihara
- Faculty of Pharmaceutical
Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Kosuke Kakita
- Faculty of Pharmaceutical
Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Kazuhiro Yamada
- Faculty of Pharmaceutical
Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Seiichi Nakamura
- Faculty of Pharmaceutical
Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Shunichi Hashimoto
- Faculty of Pharmaceutical
Sciences, Hokkaido University, Sapporo 060-0812, Japan
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Gagarinov IA, Fang T, Liu L, Srivastava AD, Boons GJ. Synthesis of Staphylococcus aureus Type 5 trisaccharide repeating unit: solving the problem of lactamization. Org Lett 2015; 17:928-31. [PMID: 25658811 PMCID: PMC4507426 DOI: 10.1021/acs.orglett.5b00031] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The chemical synthesis of an orthogonally protected trisaccharide derived from the polysaccharide of Staphylococcus aureus Type 5, which is an attractive candidate for the development of immunotherapies, is described. The challenging α-fucosylation and β-mannosylation are addressed through the careful choice of protecting groups. Lactamization of a β-D-ManpNAcA moiety during deprotection was avoided by a late stage oxidation approach. Versatility of the trisaccharide was demonstrated by its transformation into a spacer-containing repeating unit suitable for immunological investigations.
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Affiliation(s)
- Ivan A. Gagarinov
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Tao Fang
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Lin Liu
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
| | - Apoorva D. Srivastava
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Geert-Jan Boons
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
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7
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Tayu M, Higuchi K, Inaba M, Kawasaki T. Sulfoxide-TFAA and nucleophile combination as new reagent for aliphatic C-H functionalization at indole 2α-position. Org Biomol Chem 2012. [PMID: 23202538 DOI: 10.1039/c2ob26944a] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aliphatic C-H functionalization at indole 2α-position mediated by acyloxythionium species 1 generated from sulfoxide and acid anhydride has been developed. The combination of sulfoxide and TFAA with O-, N- and C-nucleophiles enabled introduction of various substituents in a one-pot procedure. Especially on utilizing DMSO, the combination provided a practical and efficient method for the synthesis of a wide range of 2α-substituted indoles.
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Affiliation(s)
- Masanori Tayu
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
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Fascione MA, Adshead SJ, Mandal PK, Kilner CA, Leach AG, Turnbull WB. Mechanistic studies on a sulfoxide transfer reaction mediated by diphenyl sulfoxide/triflic anhydride. Chemistry 2012; 18:2987-97. [PMID: 22294491 PMCID: PMC3743163 DOI: 10.1002/chem.201102861] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Revised: 11/25/2011] [Indexed: 11/24/2022]
Abstract
Sulfoxides are frequently used in organic synthesis as chiral auxiliaries and reagents to mediate a wide variety of chemical transformations. For example, diphenyl sulfoxide and triflic anhydride can be used to activate a wide range of glycosyl donors including hemiacetals, glycals and thioglycosides. In this way, an alcohol, enol or sulfide is converted into a good leaving group for subsequent reaction with an acceptor alcohol. However, reaction of diphenyl sulfoxide and triflic anhydride with oxathiane-based thioglycosides, and other oxathianes, leads to a different process in which the thioglycoside is oxidised to a sulfoxide. This unexpected oxidation reaction is very stereoselective and proceeds under anhydrous conditions in which the diphenyl sulfoxide acts both as oxidant and as the source of the oxygen atom. Isotopic labelling experiments support a reaction mechanism that involves the formation of oxodisulfonium (S-O-S) dication intermediates. These intermediates undergo oxygen-exchange reactions with other sulfoxides and also allow interconversion of axial and equatorial sulfoxides in oxathiane rings. The reversibility of the oxygen-exchange reaction suggests that the stereochemical outcome of the oxidation reaction may be under thermodynamic control, which potentially presents a novel strategy for the stereoselective synthesis of sulfoxides.
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Affiliation(s)
- Martin A Fascione
- School of Chemistry, University of LeedsLeeds, LS2 9 JT (UK), Fax: (+44) 1133436565 E-mail:
| | - Sophie J Adshead
- School of Chemistry, University of LeedsLeeds, LS2 9 JT (UK), Fax: (+44) 1133436565 E-mail:
| | - Pintu K Mandal
- School of Chemistry, University of LeedsLeeds, LS2 9 JT (UK), Fax: (+44) 1133436565 E-mail:
| | - Colin A Kilner
- School of Chemistry, University of LeedsLeeds, LS2 9 JT (UK), Fax: (+44) 1133436565 E-mail:
| | - Andrew G Leach
- AstraZenecaAlderley Park, Macclesfield, Cheshire, SK10 4TF (UK)
| | - W Bruce Turnbull
- School of Chemistry, University of LeedsLeeds, LS2 9 JT (UK), Fax: (+44) 1133436565 E-mail:
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9
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Codée JDC, Walvoort MTC, de Jong AR, Lodder G, Overkleeft HS, van der Marel GA. Mannuronic Acids: Reactivity and Selectivity. J Carbohydr Chem 2011. [DOI: 10.1080/07328303.2011.624284] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Jeroen D. C. Codée
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
| | - Marthe T. C. Walvoort
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
| | - Ana-Rae de Jong
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
| | - Gerrit Lodder
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
| | - Herman S. Overkleeft
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
| | - Gijsbert A. van der Marel
- a Leiden Institute of Chemistry , Leiden University , P.O. Box 9502, 2300 RA, Leiden , The Netherlands
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10
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Walvoort MTC, Moggré GJ, Lodder G, Overkleeft HS, Codée JDC, van der Marel GA. Stereoselective Synthesis of 2,3-Diamino-2,3-dideoxy-β-d-mannopyranosyl Uronates. J Org Chem 2011; 76:7301-15. [DOI: 10.1021/jo201179p] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marthe T. C. Walvoort
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Gert-Jan Moggré
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Gerrit Lodder
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Herman S. Overkleeft
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Jeroen D. C. Codée
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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11
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Walvoort MTC, Lodder G, Overkleeft HS, Codée JDC, van der Marel GA. Mannosazide Methyl Uronate Donors. Glycosylating Properties and Use in the Construction of β-ManNAcA-Containing Oligosaccharides. J Org Chem 2010; 75:7990-8002. [DOI: 10.1021/jo101779v] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marthe T. C. Walvoort
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Gerrit Lodder
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Herman S. Overkleeft
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Jeroen D. C. Codée
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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12
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Walvoort MT, Dinkelaar J, van den Bos LJ, Lodder G, Overkleeft HS, Codée JD, van der Marel GA. The impact of oxacarbenium ion conformers on the stereochemical outcome of glycosylations. Carbohydr Res 2010; 345:1252-63. [DOI: 10.1016/j.carres.2010.02.027] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2010] [Revised: 02/23/2010] [Accepted: 02/25/2010] [Indexed: 10/19/2022]
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14
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15
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Hashimoto S, Nakamura S, Tsuda T, Suzuki N. Direct and Stereoselective Synthesis of 2-Azido-2-deoxy-β-D-mannosides Using the Phosphate Method. HETEROCYCLES 2009. [DOI: 10.3987/com-08-s(f)108] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Nokami T, Shibuya A, Yoshida JI. Electrochemical Conversion of Thioglycosides to Glycosyl Triflates. TRENDS GLYCOSCI GLYC 2008. [DOI: 10.4052/tigg.20.175] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Nokami T, Shibuya A, Tsuyama H, Suga S, Bowers AA, Crich D, Yoshida JI. Electrochemical generation of glycosyl triflate pools. J Am Chem Soc 2007; 129:10922-8. [PMID: 17696345 PMCID: PMC4658653 DOI: 10.1021/ja072440x] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Glycosyl triflates, which serve as important intermediates in glycosylation reactions, were generated and accumulated by the low-temperature electrochemical oxidation of thioglycosides such as thioglucosides, thiogalactosides, and thiomannosides in the presence of tetrabutylammonium triflate (Bu(4)NOTf) as a supporting electrolyte. Thus-obtained solutions of glycosyl triflates (glycosyl triflate pools) were characterized by low-temperature NMR measurements. The thermal stability of glycosyl triflates and their reactions with glycosyl acceptors were also examined.
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Litjens REJN, van den Bos LJ, Codée JDC, Overkleeft HS, van der Marel GA. The use of cyclic bifunctional protecting groups in oligosaccharide synthesis—an overview. Carbohydr Res 2007; 342:419-29. [PMID: 17007825 DOI: 10.1016/j.carres.2006.09.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2006] [Revised: 08/30/2006] [Accepted: 09/01/2006] [Indexed: 11/27/2022]
Abstract
A historical overview is presented on stereo-directing effects of cis- and trans-fused diol protective groups used on both donor and acceptor glycosides. Attention is focused on the use of cyclic carbonates and carbamates, diacetals and acetals and finally the special case of 1,2-O-orthoesters and 1,2-O-cyanoalkylidene functionalised residues.
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Affiliation(s)
- Remy E J N Litjens
- Leiden Institute of Chemistry, Leiden University, PO Box 9502, 2333CC Leiden, The Netherlands
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