1
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Gorelik DJ, Desai SP, Jdanova S, Turner JA, Taylor MS. Transformations of carbohydrate derivatives enabled by photocatalysis and visible light photochemistry. Chem Sci 2024; 15:1204-1236. [PMID: 38274059 PMCID: PMC10806712 DOI: 10.1039/d3sc05400d] [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: 10/12/2023] [Accepted: 12/13/2023] [Indexed: 01/27/2024] Open
Abstract
This review article highlights the diverse ways in which recent developments in the areas of photocatalysis and visible light photochemistry are impacting synthetic carbohydrate chemistry. The major topics covered are photocatalytic glycosylations, generation of radicals at the anomeric position, transformations involving radical formation at non-anomeric positions, additions to glycals, processes initiated by photocatalytic hydrogen atom transfer from sugars, and functional group interconversions at OH and SH groups. Factors influencing stereo- and site-selectivity in these processes, along with mechanistic aspects, are discussed.
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Affiliation(s)
- Daniel J Gorelik
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Shrey P Desai
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Sofia Jdanova
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Julia A Turner
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Mark S Taylor
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
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2
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Jdanova S, Taylor MS. Mechanistic Study of the Copper(II)-Mediated Site-Selective O-Arylation of Glycosides with Arylboronic Acids. J Org Chem 2023; 88:3487-3498. [PMID: 36888595 DOI: 10.1021/acs.joc.2c02693] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Glycosides having multiple free OH groups have been shown to undergo site-selective O-arylations in the presence of arylboronic acids and copper(II) acetate. Herein, a mechanistic analysis of these Chan-Evans-Lam-type couplings is presented based on reaction kinetics, mass spectrometric analysis of reaction mixtures, and substituent effect studies. The results establish that the formation of a substrate-derived boronic ester accelerates the rate-determining transmetalation step. Intramolecular transfer of the aryl group from the boronic ester is ruled out in favor of a pathway in which the key pre-transmetalation assembly is generated from a boronic ester, a copper complex, and a second equivalent of arylboronic acid.
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Affiliation(s)
- Sofia Jdanova
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6 Canada
| | - Mark S Taylor
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6 Canada
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3
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Chen Q, Lan P, Tan S, Banwell MG. The Palladium-Catalyzed Glycosylation of Halotropones. Org Lett 2023; 25:384-388. [PMID: 36606750 DOI: 10.1021/acs.orglett.2c04099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A range of mono- and disaccharides, including glucose derivative 10, has been cleanly coupled, in the presence of a Pd catalyst, with various halogenated and structurally distinctive tropones, including "parent" compound 11, to afford the corresponding α- and β-anomeric forms of the tropolone glycosides, e.g., 12 and 13, respectively. Varying the ligand used influences the anomer distribution significantly and such that either the α- or β-form predominates. Notable chemo- and regioselectivities are observed when dihalogenated troponoids are employed as coupling partners.
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Affiliation(s)
- Qi Chen
- Institute for Advanced and Applied Chemical Synthesis, College of Pharmacy, Jinan University, Guangzhou, Guangdong510632, China
| | - Ping Lan
- Institute for Advanced and Applied Chemical Synthesis, College of Pharmacy, Jinan University, Guangzhou, Guangdong510632, China
| | - Shen Tan
- Institute for Advanced and Applied Chemical Synthesis, College of Pharmacy, Jinan University, Guangzhou, Guangdong510632, China
| | - Martin G Banwell
- Institute for Advanced and Applied Chemical Synthesis, College of Pharmacy, Jinan University, Guangzhou, Guangdong510632, China.,Guangdong Key Laboratory for Research and the Development of Natural Drugs, The Marine Biomedical Research Institute, Guangdong Medical University,Zhanjiang, Guangdong524023, China
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4
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Zhao G, Li J, Wang T. Visible-light-induced photoacid catalysis: application in glycosylation with O-glycosyl trichloroacetimidates. Chem Commun (Camb) 2021; 57:12659-12662. [PMID: 34768281 DOI: 10.1039/d1cc04887b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The development of visible-light-induced photoacid catalyzed glycosylation is reported. The eosin Y and PhSSPh catalyst system is applied to realize glycosylation with different glycosyl donors upon light irradiation. The reaction shows a broad substrate scope, including both glycosyl donors and acceptors, and highlights the mild nature of the reaction conditions.
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Affiliation(s)
- Gaoyuan Zhao
- Department of Chemistry, University at Albany, State University of New York, 1400 Washington Avenue, Albany, New York 12222, USA.
| | - Juncheng Li
- Department of Chemistry, University at Albany, State University of New York, 1400 Washington Avenue, Albany, New York 12222, USA.
| | - Ting Wang
- Department of Chemistry, University at Albany, State University of New York, 1400 Washington Avenue, Albany, New York 12222, USA.
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5
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Sridhar PR, Anjaneyulu B, Rao BU. Regioselective Anomeric
O
‐Benzyl Deprotection in Carbohydrates. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Perali Ramu Sridhar
- School of Chemistry University of Hyderabad Hyderabad, Gachibowli 500046 India
| | - Bandi Anjaneyulu
- School of Chemistry University of Hyderabad Hyderabad, Gachibowli 500046 India
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6
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Zhu DL, Jiang S, Wu Q, Wang H, Li HY, Li HX. Nickel-Catalyzed Etherification of Phenols and Aryl Halides through Visible-Light-Induced Energy Transfer. Org Lett 2021; 23:8327-8332. [PMID: 34633202 DOI: 10.1021/acs.orglett.1c03066] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Notwithstanding some progress in nickel-catalyzed etherification of alkanols and arylhalides, the ability of such a Ni-catalyzed transformation employing phenols to diaryl ethers is unsuccessful due to phenolates with much lower reduction potentials, which suppress the oxidation of nickel(II) intermediates into requisite Ni(III) species. We herein report visible-light-initiated, nickel-catalyzed O-arylation of phenols with arylhalides using t-BuNH(i-Pr) as the base and thioxanthen-9-one as the photosensitizer under visible light. This photocoupling exhibits a broad substrate scope.
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Affiliation(s)
- Da-Liang Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.,Analysis and Testing Centre, Yancheng Teachers University, Yancheng 224051, China
| | - Shan Jiang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Qi Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hao Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hai-Yan Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hong-Xi Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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7
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Suh CE, Carder HM, Wendlandt AE. Selective Transformations of Carbohydrates Inspired by Radical-Based Enzymatic Mechanisms. ACS Chem Biol 2021; 16:1814-1828. [PMID: 33988380 DOI: 10.1021/acschembio.1c00190] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Enzymes are a longstanding source of inspiration for synthetic reaction development. However, enzymatic reactivity and selectivity are frequently untenable in a synthetic context, as the principles that govern control in an enzymatic setting often do not translate to small molecule catalysis. Recent synthetic methods have revealed the viability of using small molecule catalysts to promote highly selective radical-mediated transformations of minimally protected sugar substrates. These transformations share conceptual similarities with radical SAM enzymes found in microbial carbohydrate biosynthesis and present opportunities for synthetic chemists to access microbial and unnatural carbohydrate building blocks without the need for protecting groups or lengthy synthetic sequences. Here, we highlight strategies through which radical reaction pathways can enable the site-, regio-, and diastereoselective transformation of minimally protected carbohydrates in both synthetic and enzymatic systems.
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Affiliation(s)
- Carolyn E. Suh
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Hayden M. Carder
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Alison E. Wendlandt
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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8
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Rajendran D, Bhagavathsingh J. O
‐Galactosylation of Diphenolic Compounds Using Boc Activation: A Convenient Chemical Synthesis. ChemistrySelect 2021. [DOI: 10.1002/slct.202102564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Divya Rajendran
- Department of Chemistry Karunya Institute of Technology and Sciences, Karunya Nagar Coimbatore 641114 Tamilnadu India
| | - Jebasingh Bhagavathsingh
- Department of Chemistry Karunya Institute of Technology and Sciences, Karunya Nagar Coimbatore 641114 Tamilnadu India
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9
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Yuan T, Zheng M, Antonietti M, Wang X. Ceramic boron carbonitrides for unlocking organic halides with visible light. Chem Sci 2021; 12:6323-6332. [PMID: 34084430 PMCID: PMC8115245 DOI: 10.1039/d1sc01028j] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 03/22/2021] [Indexed: 11/29/2022] Open
Abstract
Photochemistry provides a sustainable pathway for organic transformations by inducing radical intermediates from substrates through electron transfer process. However, progress is limited by heterogeneous photocatalysts that are required to be efficient, stable, and inexpensive for long-term operation with easy recyclability and product separation. Here, we report that boron carbonitride (BCN) ceramics are such a system and can reduce organic halides, including (het)aryl and alkyl halides, with visible light irradiation. Cross-coupling of halides to afford new C-H, C-C, and C-S bonds can proceed at ambient reaction conditions. Hydrogen, (het)aryl, and sulfonyl groups were introduced into the arenes and heteroarenes at the designed positions by means of mesolytic C-X (carbon-halogen) bond cleavage in the absence of any metal-based catalysts or ligands. BCN can be used not only for half reactions, like reduction reactions with a sacrificial agent, but also redox reactions through oxidative and reductive interfacial electron transfer. The BCN photocatalyst shows tolerance to different substituents and conserved activity after five recycles. The apparent metal-free system opens new opportunities for a wide range of organic catalysts using light energy and sustainable materials, which are metal-free, inexpensive and stable.
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Affiliation(s)
- Tao Yuan
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University Fuzhou 350116 China
| | - Meifang Zheng
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University Fuzhou 350116 China
| | - Markus Antonietti
- Max-Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Research Campus Golm 14424 Potsdam Germany
| | - Xinchen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University Fuzhou 350116 China
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10
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Dimakos V, Taylor MS. Recent advances in the direct O-arylation of carbohydrates. Org Biomol Chem 2021; 19:514-524. [PMID: 33331387 DOI: 10.1039/d0ob02009e] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Methods for the O-arylation of hydroxyl and hemiacetal groups in carbohydrates via C(sp2)-O bond formation are discussed. Such methods provide an alternative disconnection to the traditional approach of nucleophilic substitution between a sugar-derived electrophile and a phenol or phenoxide nucleophile. They have led to new opportunities for stereoselectivity, site-selectivity and chemoselectivity in the preparation of O-aryl glycosides and carbohydrate-derived aryl ethers, compounds that are useful for a broad range of applications in medicinal chemistry, glycobiology and organic synthesis.
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Affiliation(s)
- Victoria Dimakos
- Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada.
| | - Mark S Taylor
- Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada.
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11
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Cai L, Meng L, Zeng J, Wan Q. Sequential activation of thioglycosides enables one-pot glycosylation. Org Chem Front 2021. [DOI: 10.1039/d0qo01414a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review describes recent developments in relative reactivity value (RRV) controlled sequential glycosylation, pre-activation based iterative glycosylation, and sulfoxide activation initiated one-pot glycosylation.
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Affiliation(s)
- Lei Cai
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation
- School of Pharmacy
- Huazhong University of Science and Technology
- Wuhan
- China
| | - Lingkui Meng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation
- School of Pharmacy
- Huazhong University of Science and Technology
- Wuhan
- China
| | - Jing Zeng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation
- School of Pharmacy
- Huazhong University of Science and Technology
- Wuhan
- China
| | - Qian Wan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation
- School of Pharmacy
- Huazhong University of Science and Technology
- Wuhan
- China
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12
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Ding YN, Shi WY, Liu C, Zheng N, Li M, An Y, Zhang Z, Wang CT, Zhang BS, Liang YM. Palladium-Catalyzed ortho-C-H Glycosylation/ ipso-Alkenylation of Aryl Iodides. J Org Chem 2020; 85:11280-11296. [PMID: 32786633 DOI: 10.1021/acs.joc.0c01392] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This report describes the first example of palladium-catalyzed ortho-C-H glycosylation/ipso-alkenylation of aryl iodides, and the easily accessible glycosyl chlorides are used as a glycosylation reagent. The reaction is compatible with the functional groups of the substrates, and a series of C-aryl glycosides have been synthesized in good to excellent yield and with excellent diastereoselectivity. It is found that a cheap 5-norbornene-2-carbonitrile as a transient mediator can effectively promote this reaction. In addition, ipso-arylation and cyanation were also realized by the strategy.
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Affiliation(s)
- Ya-Nan Ding
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Wei-Yu Shi
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Ce Liu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Nian Zheng
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Ming Li
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yang An
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Zhe Zhang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Cui-Tian Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Bo-Sheng Zhang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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13
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Zu W, Day C, Wei L, Jia X, Xu L. Dual aminoquinolate diarylboron and nickel catalysed metallaphotoredox platform for carbon-oxygen bond construction. Chem Commun (Camb) 2020; 56:8273-8276. [PMID: 32568331 DOI: 10.1039/d0cc03230a] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Herein, aminoquinolate diarylboron complexes are utilized as photocatalysts in dual Ni/photoredox catalyzed carbon-oxygen construction reactions. Via this unified metallaphotoredox platform, diverse (hetero)aryl halides can be conveniently coupled with acids, alcohols and water. This method features operational simplicity, broad substrate scope and good compatibility with functional groups.
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Affiliation(s)
- Weisai Zu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China.
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14
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Bhardwaj M, Hussain N, Zargar IA, Dash AK, Mukherjee D. Synthesis of aryl ethers of carbohydrates via reaction with arynes: selective O-arylation of trans-vicinal dihydroxyl groups in carbohydrates. Org Biomol Chem 2020; 18:4174-4177. [PMID: 32441290 DOI: 10.1039/d0ob00540a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A new method for the O-arylation of carbohydrates under metal-free conditions using arynes as an aryl source has been developed. This approach works well with mono, di and trihydroxy compounds. Preferential O-arylation takes place at primary over secondary and equatorial over axial. Site-selective O-arylation was achieved with the substrate having trans vicinal diequatorial hydroxyls.
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Affiliation(s)
- Monika Bhardwaj
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu-180001, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
| | - Nazar Hussain
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu-180001, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
| | - Irshad Ahmad Zargar
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu-180001, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
| | - Ashutosh K Dash
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu-180001, India. and Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Debaraj Mukherjee
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu-180001, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
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15
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C1 Oxidation/C2 Reduction Isomerization of Unprotected Aldoses Induced by Light/Ketone. Angew Chem Int Ed Engl 2020; 59:2755-2759. [DOI: 10.1002/anie.201914242] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Indexed: 01/17/2023]
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16
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Masuda Y, Tsuda H, Murakami M. C1 Oxidation/C2 Reduction Isomerization of Unprotected Aldoses Induced by Light/Ketone. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Yusuke Masuda
- Department of Synthetic Chemistry and Biological ChemistryKyoto University, Katsura Kyoto 615-8510 Japan
| | - Hiromu Tsuda
- Department of Synthetic Chemistry and Biological ChemistryKyoto University, Katsura Kyoto 615-8510 Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological ChemistryKyoto University, Katsura Kyoto 615-8510 Japan
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17
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Yang Q, Liu N, Yan J, Ren Z, Wang L. Visible Light‐ and Heat‐Promoted C−O Coupling Reaction of Phenols and Aryl Halides. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900666] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Qing‐Qing Yang
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials College of Materials and Chemical EngineeringChina Three Gorges University Yichang Hubei 443002 China
| | - Na Liu
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials College of Materials and Chemical EngineeringChina Three Gorges University Yichang Hubei 443002 China
| | - Jia‐Ying Yan
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials College of Materials and Chemical EngineeringChina Three Gorges University Yichang Hubei 443002 China
| | - Zhi‐Lin Ren
- College of Chemical EngineeringHubei University of Arts and Science, Xiangyang Hubei 441053 China
| | - Long Wang
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials College of Materials and Chemical EngineeringChina Three Gorges University Yichang Hubei 443002 China
- Material Analysis and Testing CenterChina Three Gorges University Yichang Hubei 443002 China
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18
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Dimakos V, Gorelik D, Su HY, Garrett GE, Hughes G, Shibayama H, Taylor MS. Site-selective redox isomerizations of furanosides using a combined arylboronic acid/photoredox catalyst system. Chem Sci 2020; 11:1531-1537. [PMID: 34084383 PMCID: PMC8148048 DOI: 10.1039/c9sc05173b] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/12/2019] [Indexed: 01/17/2023] Open
Abstract
In the presence of an arylboronic acid and a hydrogen atom transfer mediator under photoredox conditions, furanoside derivatives undergo site-selective redox isomerizations to 2-keto-3-deoxyfuranosides. Experimental evidence and computational modeling suggest that the transformation takes place by abstraction of the hydrogen atom from the 2-position of the furanoside-derived arylboronic ester, followed by C3-O bond cleavage via spin-center shift. This mechanism is reminiscent of the currently accepted pathway for the formation of 3'-ketodeoxynucleotides by ribonucleotide reductase enzymes.
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Affiliation(s)
- Victoria Dimakos
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Daniel Gorelik
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Hsin Y Su
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Graham E Garrett
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Gregory Hughes
- Global Process Chemistry, Merck Research Laboratories P. O. Box 2000 Rahway NJ 07065 USA
| | - Hiromitsu Shibayama
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Mark S Taylor
- Department of Chemistry, University of Toronto 80 St. George St. Toronto ON M5S 3H6 Canada
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19
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Busch J, Knoll DM, Zippel C, Bräse S, Bizzarri C. Metal-supported and -assisted stereoselective cooperative photoredox catalysis. Dalton Trans 2019; 48:15338-15357. [PMID: 31573576 DOI: 10.1039/c9dt02094b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this perspective, we review those stereoselective photocatalytic reactions that use synergy between photoredox catalysts and transition metal catalysts. In particular, we highlight the orchestrated interaction between two and more metals which not only enhance the turnover numbers, but also lead to increased selectivities. Aspects of green chemistry and sustainable developments are included. In this review, C-C, C-O, C-N and C-S forming reactions are discussed and a perspective on future developments is given.
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Affiliation(s)
- Jasmin Busch
- Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - Daniel M Knoll
- Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - Christoph Zippel
- Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - Stefan Bräse
- Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany. and Institute of Toxicology and Genetics, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
| | - Claudia Bizzarri
- Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
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20
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21
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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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22
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Verdelet T, Benmahdjoub S, Benmerad B, Alami M, Messaoudi S. Copper-Catalyzed Anomeric O-Arylation of Carbohydrate Derivatives at Room Temperature. J Org Chem 2019; 84:9226-9238. [PMID: 31274301 DOI: 10.1021/acs.joc.9b01218] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Direct and practical anomeric O-arylation of sugar lactols with substituted arylboronic acids has been established. Using copper catalysis at room temperature under an air atmosphere, the protocol proved to be general, and a variety of aryl O-glycosides have been prepared in good to excellent yields. Furthermore, this approach was extended successfully to unprotected carbohydrates, including α-mannose, and it was demonstrated here how the interaction between carbohydrates and boronic acids can be combined with copper catalysis to achieve selective anomeric O-arylation.
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Affiliation(s)
- Tristan Verdelet
- BioCIS , Univ. Paris-Sud, CNRS, University Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Sara Benmahdjoub
- Laboratoire de Physico-Chimie des Matériaux et Catalyse, Faculté des Sciences Exactes , Université de Bejaia , 06000 Bejaia , Algeria
| | - Belkacem Benmerad
- Laboratoire de Physico-Chimie des Matériaux et Catalyse, Faculté des Sciences Exactes , Université de Bejaia , 06000 Bejaia , Algeria
| | - Mouad Alami
- BioCIS , Univ. Paris-Sud, CNRS, University Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Samir Messaoudi
- BioCIS , Univ. Paris-Sud, CNRS, University Paris-Saclay , 92290 Châtenay-Malabry , France
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23
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Dimakos V, Liu JJW, Ge Z, Taylor MS. Copper-mediated anomeric O-arylation with organoboron reagents. Org Biomol Chem 2019; 17:5671-5674. [PMID: 31123748 DOI: 10.1039/c9ob01022j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Copper-mediated couplings of arylboroxines with glycosyl hemiacetals furnish O-aryl glycosides via Csp2-O bond formation. The method enables the anomeric O-arylation of protected pyranose and furanose derivatives, and is tolerant of functionalized arylboroxine partners. Whereas mixtures of anomers are formed from glucopyranose, galactopyranose and arabinofuranose hemiacetals, the α-anomer is generated selectively from mannopyranose and mannofuranose-derived substrates.
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Affiliation(s)
- Victoria Dimakos
- Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON, M5S 3H6 Canada.
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24
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Synthesis of 8-hydroxyquinoline glycoconjugates and preliminary assay of their β1,4-GalT inhibitory and anti-cancer properties. Bioorg Chem 2019; 84:326-338. [DOI: 10.1016/j.bioorg.2018.11.047] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/22/2018] [Accepted: 11/24/2018] [Indexed: 12/21/2022]
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