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Wu J, Jia P, Kuniyil R, Liu P, Tang W. Dynamic Kinetic Stereoselective Glycosylation via Rh II and Chiral Phosphoric Acid-Cocatalyzed Carbenoid Insertion to the Anomeric OH Bond for the Synthesis of Glycoconjugates. Angew Chem Int Ed Engl 2023; 62:e202307144. [PMID: 37532672 PMCID: PMC10530496 DOI: 10.1002/anie.202307144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/04/2023]
Abstract
Chemical synthesis of glycoconjugates is essential for studying the biological functions of carbohydrates. We herein report an efficient approach for the stereoselective synthesis of challenging α-linked glycoconjugates via a RhII /chiral phosphoric acid (CPA)-cocatalyzed dynamic kinetic anomeric O-alkylation of sugar-derived lactols via carbenoid insertion to the anomeric OH bond. Notably, we observed excellent anomeric selectivity, excellent diastereoselectivity, broad substrate scope, and high efficiency for this glycosylation reaction by exploring various parameters of the cocatalytic system. DFT calculations suggested that the anomeric selectivity was mainly determined by steric interactions between the C2-carbon of the carbohydrate and the phenyl group of the metal carbenoid, while π/π interactions with the C2-OBn substituent on the carbohydrate substrate play a significant role for diastereoselectivity at the newly generated stereogenic center.
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Affiliation(s)
- Jicheng Wu
- Lachman Institute for Pharmaceutical Development, School of Pharmacy, University of Wisconsin-Madison, 777 Highland Avenue, Madison, WI 53705, United States
| | - Peijing Jia
- Lachman Institute for Pharmaceutical Development, School of Pharmacy, University of Wisconsin-Madison, 777 Highland Avenue, Madison, WI 53705, United States
| | - Rositha Kuniyil
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA 15260, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA 15260, United States
- Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15261, United States
| | - Weiping Tang
- Lachman Institute for Pharmaceutical Development, School of Pharmacy, University of Wisconsin-Madison, 777 Highland Avenue, Madison, WI 53705, United States
- Department of Chemistry, 1101 University Ave, University of Wisconsin-Madison, Madison, WI 53706, United States
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2
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Zargar IA, Rasool B, Sakander N, Mukherjee D. Switchable reactivity of 2-benzoyl glycals towards stereoselective access of 1-3 and 1-1 S/ O linked disaccharides. Chem Commun (Camb) 2023; 59:10448-10451. [PMID: 37555476 DOI: 10.1039/d3cc02870d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
We have developed a synthesis of 1-3 and 1-1 disaccharides from 2-benzoyl glycal and anomeric thiol and/or hydroxy sugar acceptors under mild conditions at room temperature. The regio and stereo-selectivity of the newly formed inter-glycosidic linkages are dependent on the nature of the glycal donor (D or L) and anomeric acceptor.
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Affiliation(s)
- Irshad Ahmad Zargar
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine (IIIM), Jammu, 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bisma Rasool
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine (IIIM), Jammu, 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Norein Sakander
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine (IIIM), Jammu, 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Debaraj Mukherjee
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Department of Chemical Sciences, Bose Institute Kolkata, EN 80, Sector V, Bidhan Nagar, Kolkata-700091, WB, India
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3
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Izumi S, Kobayashi Y, Takemoto Y. Stereoselective Synthesis of 1,1′‐Disaccharides by Organoboron Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sanae Izumi
- Graduate School of Pharmaceutical Sciences Kyoto University 46-29 Shimoadachi-cho, Yoshida, Sakyo-ku Kyoto 606-8501 Japan
| | - Yusuke Kobayashi
- Graduate School of Pharmaceutical Sciences Kyoto University 46-29 Shimoadachi-cho, Yoshida, Sakyo-ku Kyoto 606-8501 Japan
| | - Yoshiji Takemoto
- Graduate School of Pharmaceutical Sciences Kyoto University 46-29 Shimoadachi-cho, Yoshida, Sakyo-ku Kyoto 606-8501 Japan
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4
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Kobayashi Y, Takemoto Y. Regio- and stereoselective glycosylation of 1,2-O-unprotected sugars using organoboron catalysts. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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5
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Stereoselective Synthesis of 1,1′‐Disaccharides by Organoboron Catalysis. Angew Chem Int Ed Engl 2020; 59:14054-14059. [DOI: 10.1002/anie.202004476] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 12/12/2022]
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6
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Izumi S, Kobayashi Y, Takemoto Y. Regio- and Stereoselective Synthesis of 1,2-cis-Glycosides by Anomeric O-Alkylation with Organoboron Catalysis. Org Lett 2019; 21:665-670. [DOI: 10.1021/acs.orglett.8b03823] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sanae Izumi
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida,
Sakyo-ku, Kyoto 606-8501, Japan
| | - Yusuke Kobayashi
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida,
Sakyo-ku, Kyoto 606-8501, Japan
| | - Yoshiji Takemoto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida,
Sakyo-ku, Kyoto 606-8501, Japan
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7
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Bhetuwal BR, Woodward J, Li X, Zhu J. Stereoselective β-mannosylation via anomeric O-Alkylation: Concise synthesis of β-D-Xyl-(l→2)-β-D-Man-(1→4)-α-D-Glc-OMe, a trisaccharide oligomer of the hyriopsis schlegelii glycosphingolipid. J Carbohydr Chem 2017. [DOI: 10.1080/07328303.2017.1390579] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Bishwa Raj Bhetuwal
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio, United States
| | - Justin Woodward
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, Michigan, United States
| | - Xiaohua Li
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, Michigan, United States
| | - Jianglong Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio, United States
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Lu YCL, Ghosh B, Mong KKT. Unusually Stable Picoloyl-Protected Trimethylsilyl Glycosides for Nonsymmetrical 1,1'-Glycosylation and Synthesis of 1,1'-Disaccharides with Diverse Configurations. Chemistry 2017; 23:6905-6918. [PMID: 28272765 DOI: 10.1002/chem.201700785] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Indexed: 11/09/2022]
Abstract
Nonsymmetrical 1,1'-disaccharides and related derivatives constitute structural components in various glycolipids and natural products. Some of these compounds have been shown to exhibit appealing biological properties. We report a direct yet stereoselective 1,1'-glycosylation strategy for the synthesis of nonsymmetrical 1,1'-disaccharides with diverse configurations and sugar components. The strategy is based on the joined forces of a new class of configurationally stable glycoside acceptors and stereodirecting thioglycoside donors. The new glycoside acceptors feature a picoloyl (Pico) protecting group at the remote C4/C3 position that confers unusual stability on TMS glycosides under acidic conditions.
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Affiliation(s)
- Yen-Chu Luke Lu
- Applied Chemistry Department, National Chiao Tung University, 1001, University Road, Hisnchu City, Taiwan, R.O.C
| | - Bhaswati Ghosh
- Applied Chemistry Department, National Chiao Tung University, 1001, University Road, Hisnchu City, Taiwan, R.O.C
| | - Kwok-Kong Tony Mong
- Applied Chemistry Department, National Chiao Tung University, 1001, University Road, Hisnchu City, Taiwan, R.O.C
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9
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Nguyen H, Zhu D, Li X, Zhu J. Stereoselective Construction of β‐Mannopyranosides by Anomeric
O
‐Alkylation: Synthesis of the Trisaccharide Core of
N
‐linked Glycans. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600488] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Hai Nguyen
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Danyang Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Xiaohua Li
- Department of Natural Sciences University of Michigan-Dearborn Dearborn MI 48128 USA
| | - Jianglong Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
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Nguyen H, Zhu D, Li X, Zhu J. Stereoselective Construction of β-Mannopyranosides by Anomeric O-Alkylation: Synthesis of the Trisaccharide Core of N-linked Glycans. Angew Chem Int Ed Engl 2016; 55:4767-71. [PMID: 26948686 DOI: 10.1002/anie.201600488] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Indexed: 01/07/2023]
Abstract
A new and efficient approach for direct and stereoselective synthesis of β-mannopyranosides by anomeric O-alkylation has been developed. This anomeric O-alkylation of mannopyranose-derived lactols is proposed to occur under synergistic control of a kinetic anomeric effect and metal chelation. The presence of a conformationally flexible C6 oxygen atom in the sugar-derived lactol donors is required for this anomeric O-alkylation to be efficient, probably because of its chelation with cesium ion. In contrast, the presence of a C2 oxygen atom plays a minor role. This glycosylation method has been successfully utilized for the synthesis of the trisaccharide core of complex N-linked glycans.
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Affiliation(s)
- Hai Nguyen
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, OH, 43606, USA
| | - Danyang Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, OH, 43606, USA
| | - Xiaohua Li
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, MI, 48128, USA.
| | - Jianglong Zhu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, OH, 43606, USA.
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11
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Chaube MA, Kulkarni SS. First Total Synthesis of Trehalose-Containing Branched Oligosaccharide OSE-1 ofMycobacterium gordonae(Strain 990). Chemistry 2015; 21:13544-8. [DOI: 10.1002/chem.201502521] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Indexed: 01/31/2023]
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12
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Zhu Y, Yu B. Highly Stereoselective β-Mannopyranosylation via the 1-α-Glycosyloxy-isochromenylium-4-gold(I) Intermediates. Chemistry 2015; 21:8771-80. [DOI: 10.1002/chem.201500648] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Indexed: 01/02/2023]
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13
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Anjum S, Vetter ND, Rubin JE, Palmer DR. Synthesis of 3,3′-neotrehalosadiamine and related 1,1′-aminodisaccharides using disarmed, armed, and superarmed building blocks. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.10.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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14
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Nicolaou KC, Hale CRH, Nilewski C, Ioannidou HA. Constructing molecular complexity and diversity: total synthesis of natural products of biological and medicinal importance. Chem Soc Rev 2012; 41:5185-238. [PMID: 22743704 PMCID: PMC3426871 DOI: 10.1039/c2cs35116a] [Citation(s) in RCA: 159] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The advent of organic synthesis and the understanding of the molecule as they occurred in the nineteenth century and were refined in the twentieth century constitute two of the most profound scientific developments of all time. These discoveries set in motion a revolution that shaped the landscape of the molecular sciences and changed the world. Organic synthesis played a major role in this revolution through its ability to construct the molecules of the living world and others like them whose primary element is carbon. Although the early beginnings of organic synthesis came about serendipitously, organic chemists quickly recognized its potential and moved decisively to advance and exploit it in myriad ways for the benefit of mankind. Indeed, from the early days of the synthesis of urea and the construction of the first carbon-carbon bond, the art of organic synthesis improved to impressively high levels of sophistication. Through its practice, today chemists can synthesize organic molecules--natural and designed--of all types of structural motifs and for all intents and purposes. The endeavor of constructing natural products--the organic molecules of nature--is justly called both a creative art and an exact science. Often called simply total synthesis, the replication of nature's molecules in the laboratory reflects and symbolizes the state of the art of synthesis in general. In the last few decades a surge in total synthesis endeavors around the world led to a remarkable collection of achievements that covers a wide ranging landscape of molecular complexity and diversity. In this article, we present highlights of some of our contributions in the field of total synthesis of natural products of biological and medicinal importance. For perspective, we also provide a listing of selected examples of additional natural products synthesized in other laboratories around the world over the last few years.
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Affiliation(s)
- K C Nicolaou
- Department of Chemistry and Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA
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15
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Uriel C, Ventura J, Gómez AM, López JC, Fraser-Reid B. Unexpected stereocontrolled access to 1α,1'β-disaccharides from methyl 1,2-ortho esters. J Org Chem 2011; 77:795-800. [PMID: 22141592 DOI: 10.1021/jo202335n] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mannopyranose-derived methyl 1,2-orthoacetates (R = Me) and 1,2-orthobenzoates (R = Ph) undergo stereoselective formation of 1α,1'β-disaccharides, upon treatment with BF(3)·Et(2)O in CH(2)Cl(2), rather than the expected acid-catalyzed reaction leading to methyl glycosides by way of a rearrangement-glycosylation process of the liberated methanol.
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Affiliation(s)
- Clara Uriel
- Instituto de Química Orgánica General (IQOG-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
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16
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Ueda A, Yamashita T, Uenishi J. Chemical synthesis of β-d-psicofuranosyl disaccharides. Carbohydr Res 2010; 345:1722-9. [DOI: 10.1016/j.carres.2010.05.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2010] [Revised: 05/27/2010] [Accepted: 05/31/2010] [Indexed: 10/19/2022]
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17
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Demizu Y, Kubo Y, Miyoshi H, Maki T, Matsumura Y, Moriyama N, Onomura O. Regioselective Protection of Sugars Catalyzed by Dimethyltin Dichloride. Org Lett 2008; 10:5075-7. [DOI: 10.1021/ol802095e] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yosuke Demizu
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yuki Kubo
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Hiroko Miyoshi
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Toshihide Maki
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yoshihiro Matsumura
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Noriaki Moriyama
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Osamu Onomura
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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18
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Stereoselective synthesis of 1,1′-linked α-l-lyxopyranosyl β-d-glucopyranoside, the proposed biosynthetic precursor of the FG ring system of avilamycins. Carbohydr Res 2008; 343:1612-23. [DOI: 10.1016/j.carres.2008.05.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2008] [Revised: 04/29/2008] [Accepted: 05/04/2008] [Indexed: 11/22/2022]
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19
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Cmoch P, Pakulski Z. Comparative investigations on the regioselective mannosylation of 2,3,4-triols of mannose. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.05.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Dong H, Pei Z, Angelin M, Byström S, Ramström O. Efficient Synthesis of β-d-Mannosides and β-d-Talosides by Double Parallel or Double Serial Inversion. J Org Chem 2007; 72:3694-701. [PMID: 17439283 DOI: 10.1021/jo062643o] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A neighboring equatorial ester group plays a highly important role in the Lattrell-Dax (nitrite-mediated) carbohydrate epimerization reaction, inducing the formation of inversion compounds in good yields. On the basis of this effect, efficient synthetic routes to beta-D-mannosides and beta-D-talosides, from the corresponding beta-D-galactosides and beta-D-glucosides, have been designed. The present routes are based on multiple regioselective acylation via the respective stannylene intermediates, followed by inversions to the corresponding manno- and talopyranoside structures by nitrite or acetate substitution. It was found that the ester group was able to induce the inversion of its two neighboring groups in high yields following either a double parallel or a double serial inversion process. By combination of direct inversion, and neighboring- as well as remote-group participation, several beta-d-mannoside and beta-D-taloside derivatives were very conveniently obtained in good yields.
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Affiliation(s)
- Hai Dong
- KTH - Royal Institute of Technology, Department of Chemistry Teknikringen 30, S-10044, Stockholm, Sweden
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21
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Alexeev Y, Vasilchenko I, Kharisov B, Blanco L, Garnovskii A, Zhdanov Y. Review: synthetically modified carbohydrates as ligands. J COORD CHEM 2006. [DOI: 10.1080/00958970412331297523] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Yu.E. Alexeev
- a Institute of Physical and Organic Chemistry , Rostov State University , Rostov-on-Don, 344090, Russia
- b South Scientific Center of Russian Academy of Sciences , 344006 Rostov-on-Don, Chekhova st. 4.1, Russia
| | - I.S. Vasilchenko
- a Institute of Physical and Organic Chemistry , Rostov State University , Rostov-on-Don, 344090, Russia
- b South Scientific Center of Russian Academy of Sciences , 344006 Rostov-on-Don, Chekhova st. 4.1, Russia
| | - B.I. Kharisov
- c Faculdad de Ciencias Quimicas , Universidad Autonoma de Nuevo Leon , Monterrey, Mexico
| | - L.M. Blanco
- c Faculdad de Ciencias Quimicas , Universidad Autonoma de Nuevo Leon , Monterrey, Mexico
| | - A.D. Garnovskii
- a Institute of Physical and Organic Chemistry , Rostov State University , Rostov-on-Don, 344090, Russia
- b South Scientific Center of Russian Academy of Sciences , 344006 Rostov-on-Don, Chekhova st. 4.1, Russia
| | - Yu.A. Zhdanov
- a Institute of Physical and Organic Chemistry , Rostov State University , Rostov-on-Don, 344090, Russia
- b South Scientific Center of Russian Academy of Sciences , 344006 Rostov-on-Don, Chekhova st. 4.1, Russia
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22
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Tsuda T, Arihara R, Sato S, Koshiba M, Nakamura S, Hashimoto S. Direct and stereoselective synthesis of β-d-mannosides using 4,6-O-benzylidene-protected mannosyl diethyl phosphite as a donor. Tetrahedron 2005. [DOI: 10.1016/j.tet.2005.08.090] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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24
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25
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Zhang Z, Wong CH. Regioselective benzoylation of sugars mediated by excessive Bu2SnO: observation of temperature promoted migration. Tetrahedron 2002. [DOI: 10.1016/s0040-4020(02)00661-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Yamago S, Yamada T, Nishimura R, Ito H, Mino Y, Yoshida JI. A New Method for the Synthesis of Stannyl Ethers by Acid-Catalyzed Reaction of Alcohols with Allyltributylstannane. CHEM LETT 2002. [DOI: 10.1246/cl.2002.152] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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27
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Nicolaou KC, Mitchell HJ. Adventures in Carbohydrate Chemistry: New Synthetic Technologies, Chemical Synthesis, Molecular Design, and Chemical Biology. Angew Chem Int Ed Engl 2001. [DOI: 10.1002/1521-3773(20010504)40:9<1576::aid-anie15760>3.0.co;2-g] [Citation(s) in RCA: 329] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Nicolaou KC, Mitchell HJ. Abenteuer in der Kohlenhydratchemie: Synthesestrategien, Synthesemethoden, Moleküldesign und biologische Chemie. Angew Chem Int Ed Engl 2001. [DOI: 10.1002/1521-3757(20010504)113:9<1624::aid-ange16240>3.0.co;2-n] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Nicolaou KC, Fylaktakidou KC, Mitchell HJ, van Delft FL, Rodríguez RM, Conley SR, Jin Z. Total synthesis of everninomicin 13,384-1--Part 4: explorations of methodology; stereocontrolled synthesis of 1,1'-disaccharides, 1,2-seleno migrations in carbohydrates, and solution- and solid-phase synthesis of 2-deoxy glycosides and orthoesters. Chemistry 2000; 6:3166-85. [PMID: 11002995 DOI: 10.1002/1521-3765(20000901)6:17<3166::aid-chem3166>3.0.co;2-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Methods for the stereocontrolled construction of 1,1'-disaccharides, 2-deoxy glycosides, and orthoesters are reported. Specifically, a tin-acetal moiety was utilized to fix the anomeric stereochemistry of a carbohydrate acceptor leading to an efficient and stereoselective synthesis of 1,1'-disaccharides, while a newly discovered 1,2-phenylseleno migration reaction in carbohydrates opened entries to 2-deoxy glycosides and orthoesters. Thus, reaction of 2-hydroxy phenylselenoglycosides with DAST led to 2-phenylselenoglycosyl fluorides which reacted with carbohydrate acceptors to afford, stereoselectively, 2-phenylselenoglycosides. The latter compounds could be reductively deselenated to 2-deoxy glycosides or oxidatively converted to orthoesters via the corresponding ketene acetals.
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Affiliation(s)
- K C Nicolaou
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, California 92037, USA.
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Nicolaou K, Rodríguez R, Fylaktakidou K, Suzuki H, Mitchell H. Totalsynthese von Everninomicin 13,384-1 – Teil 2: Synthese des FGHA2-Fragments. Angew Chem Int Ed Engl 1999. [DOI: 10.1002/(sici)1521-3757(19991115)111:22<3529::aid-ange3529>3.0.co;2-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Nicolaou K, Mitchell H, Rodríguez R, Fylaktakidou K, Suzuki H. Totalsynthese von Everninomicin 13,384-1 – Teil 3: Synthese des DE-Fragments und Abschluß der Totalsynthese. Angew Chem Int Ed Engl 1999. [DOI: 10.1002/(sici)1521-3757(19991115)111:22<3535::aid-ange3535>3.0.co;2-s] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Koto S, Asami K, Hirooka M, Nagura K, Takizawa M, Yamamoto S, Okamoto N, Sato M, Tajima H, Yoshida T, Nonaka N, Sato T, Zen S, Yago K, Tomonaga F. Glycosylation Using 2-Azido-3,4,6-tri-O-benzyl-2-deoxy-D-glucose, -galactose, and -mannose with the Aid ofp-Nitrobenzenesulfonyl Chloride–Silver Trifluoromethanesulfonate–Triethylamine System. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1999. [DOI: 10.1246/bcsj.72.765] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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A highly stereocontrolled synthesis of 1β,1β-linked acetylated oligosaccharides via orthoester formation-rearrangement. Tetrahedron Lett 1999. [DOI: 10.1016/s0040-4039(98)02626-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Crich D, Dai Z. Direct synthesis of β-mannosides. Synthesis of β-D-xyl-(1→2)-β-D-man-(1→4)-α-D-Glc-OMe: A trisaccharide component of the Hyriopsis schlegelii glycosphingolipid. Formation of an orthoester from a xylopyranosyl sulfoxide. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(98)01202-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Nicolaou KC, Mitchell HJ, van Delft FL, Rübsam F, Rodríguez RM. Einfache Zugänge zu Evernitrose und Vancosaminderivaten sowie Synthese eines Vancomycin-Modellglycosids. Angew Chem Int Ed Engl 1998. [DOI: 10.1002/(sici)1521-3757(19980703)110:13/14<1972::aid-ange1972>3.0.co;2-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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