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Parida SP, Das T, Ahemad MA, Pati T, Mohapatra S, Nayak S. Recent advances on synthesis of C-glycosides. Carbohydr Res 2023; 530:108856. [PMID: 37315353 DOI: 10.1016/j.carres.2023.108856] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 05/17/2023] [Accepted: 05/29/2023] [Indexed: 06/16/2023]
Abstract
In recent years, C-glycosides have emerged as significant building blocks for many naturally occurring alkaloids and pharmaceutically active drug molecules. Therefore, significant efforts have been devoted to the construction of structurally important C-glycosidic linkages in carbohydrate compounds. Herein, we have summarized the recent developments of diverse synthesis of C-glycoside core between the time period from 2019 to 2022 focusing on different catalytic strategies, such as (i) transition-metal, and (ii) metal-free catalytic approaches. Further, the transition metal catalyzed C-glycosylations have been categorized into four sub classes: (a) metal based C-H activation, (b) cross-coupling reaction, (c) glycosyl radical intermediate-based process, and (d) Others.
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Affiliation(s)
| | - Tapaswini Das
- Department of Chemistry, Ravenshaw University, Cuttack, 753003, India
| | | | - Tapaswini Pati
- Department of Chemistry, Ravenshaw University, Cuttack, 753003, India
| | | | - Sabita Nayak
- Department of Chemistry, Ravenshaw University, Cuttack, 753003, India.
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Tracz A, Malinowska M, Leśniak S, Zawisza A. Aziridine Ring Opening as Regio- and Stereoselective Access to C-Glycosyl-Aminoethyl Sulfide Derivatives. Molecules 2022; 27:1764. [PMID: 35335129 PMCID: PMC8952378 DOI: 10.3390/molecules27061764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/01/2022] [Accepted: 03/06/2022] [Indexed: 11/18/2022] Open
Abstract
A short synthetic route to stereoselective access to C-glycosyl-aminoethyl sulfide derivatives has been developed through the reaction of tributhyltin derivatives of glycals with aziridinecarboaldehyde and the regioselective ring opening of a chiral aziridine with thiophenol. The absolute configurations of the resulting diastereoisomers were determined by 1H NMR spectroscopy.
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Affiliation(s)
| | | | | | - Anna Zawisza
- Department of Organic and Applied Chemistry, University of Łódź, 91-403 Łódź, Poland; (A.T.); (M.M.); (S.L.)
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Menard T, Laverny A, Denmark SE. Synthesis of Enantioenriched 3,4-Disubstituted Chromans through Lewis Base Catalyzed Carbosulfenylation. J Org Chem 2021; 86:14290-14310. [PMID: 34672591 DOI: 10.1021/acs.joc.1c02290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A method for the catalytic, enantioselective, carbosulfenylation of alkenes to construct 3,4-disubstituted chromans is described. Alkene activation proceeds through the intermediacy of enantioenriched, configurationally stable thiiranium ions generated from catalytic, Lewis base activation of an electrophilic sulfenylating agent. The transformation affords difficult-to-generate, enantioenriched, 3,4-disubstituted chromans in moderate to high yields and excellent enantioselectivities. A variety of substituents are compatible including electronically diverse functional groups as well as several functional handles such as aryl halides, esters, anilines, and phenols. The resulting thioether moiety is amenable to a number of functional group manipulations and transformations. Notably, the pendant sulfide was successfully cleaved to furnish a free thiol which readily provides access to most sulfur-containing functional groups which are present in natural products and pharmaceuticals.
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Affiliation(s)
- Travis Menard
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Aragorn Laverny
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Scott E Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
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Jia T, Zeng G, Zhang C, Zeng L, Zheng W, Li S, Wu K, Shao J, Zhang J, Zhu H. The reaction of prop-2-ynylsulfonium salts and sulfonyl-protected β-amino ketones to epoxide-fused 2-methylenepyrrolidines and S-containing pyrroles. Chem Commun (Camb) 2021; 57:2657-2660. [PMID: 33587730 DOI: 10.1039/d0cc07745c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A novel divergent domino annulation reaction of prop-2-ynylsulfonium salts with sulfonyl-protected β-amino ketones has been developed, affording various epoxide-fused 2-methylenepyrrolidines and S-containing pyrroles in moderate to excellent yields. Prop-2-ynylsulfonium salts act as C2 synthons in the reactions providing a promising epoxide-fused skeleton in a single operation with readily accessible starting materials.
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Affiliation(s)
- Tingting Jia
- School of Medicine, Zhejiang University City College, Hangzhou, 310015, P. R. China.
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Gholami H, Kulshrestha A, Favor OK, Staples RJ, Borhan B. Total Synthesis of (-)-Salinosporamide A via a Late Stage C-H Insertion. Angew Chem Int Ed Engl 2019; 58:10110-10113. [PMID: 30887693 DOI: 10.1002/anie.201900340] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Indexed: 01/24/2023]
Abstract
The synthesis of (-)-salinosporamide A, a proteasome inhibitor, is described. The synthesis highlights the assembly of a densely decorated pyrrolidinone core via an aza-Payne/hydroamination sequence. Central to the success of the synthesis is a late-stage C-H insertion reaction to functionalize a sterically encumbered secondary carbon. The latter functionalization leads to an enabling transformation where most of the prototypical strategies failed.
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Affiliation(s)
- Hadi Gholami
- Department of Chemistry, Michigan State University, E. Lansing, MI, 48824, USA
| | - Aman Kulshrestha
- Department of Chemistry, Michigan State University, E. Lansing, MI, 48824, USA
| | - Olivia K Favor
- Department of Chemistry, Michigan State University, E. Lansing, MI, 48824, USA
| | - Richard J Staples
- Department of Chemistry, Michigan State University, E. Lansing, MI, 48824, USA
| | - Babak Borhan
- Department of Chemistry, Michigan State University, E. Lansing, MI, 48824, USA
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Gholami H, Kulshrestha A, Favor OK, Staples RJ, Borhan B. Total Synthesis of (−)‐Salinosporamide A via a Late Stage C−H Insertion. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hadi Gholami
- Department of ChemistryMichigan State University E. Lansing MI 48824 USA
| | - Aman Kulshrestha
- Department of ChemistryMichigan State University E. Lansing MI 48824 USA
| | - Olivia K. Favor
- Department of ChemistryMichigan State University E. Lansing MI 48824 USA
| | - Richard J. Staples
- Department of ChemistryMichigan State University E. Lansing MI 48824 USA
| | - Babak Borhan
- Department of ChemistryMichigan State University E. Lansing MI 48824 USA
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Abstract
Inter- or intramolecular hydroamination reactions are a paradigmatic example of modern sustainable organic chemistry, as they are a catalytic, 100% atom-economical, and waste-free process of fundamental simplicity in which an amine is added to an alkyne substrate. Many enamines are found in many natural and synthetic compounds possessing interesting physiological and biological activities. The development of synthetic protocols for such molecules and their transformation is a persistent research topic in pharmaceutical and organic chemistry. Hydroamination is conspicuously superior to the other accessible methods, such as the imination of ketones or the aminomercuration/demercuration of alkynes, that involve the stoichiometric use of toxic reagents. Additionally, the hydroamination of alkyne substrates has been successfully employed as a key step in synthesizing target molecules through total syntheses containing substituted indoles, pyrroles, imidazoles, and other heterocycles as core moieties. Many research groups have explored inter- or intramolecular hydroamination of alkynes for the synthesis of diversely substituted nitrogen heterocycles using expensive metal catalysts. However, in contrast to metal-catalyzed hydroamination, the base-mediated hydroamination of alkynes has not been extensively studied. Various inorganic (such as hydroxides, phosphates, and carbonates) and organic bases have been proven to be valuable reagents for achieving the hydroamination process. This method represents an attractive strategy for the construction of a broad range of nitrogen-containing compounds that prevents the formation of byproducts in the creation of a C-N linkage. The presence of a base is thought to facilitate the attack of nitrogen nucleophiles, such as indoles, pyrroles, and imidazoles, on unsaturated carbon substrates through the activation of the triple bond and thus transforming the electron-rich alkyne into an electrophile. In the past few years, we have been involved in the development of methods for the nucleophilic addition of N-heterocycles onto terminal and internal alkynes using alkali base catalysts to achieve new carbon-nitrogen bond-forming reactions. During our study, we discovered the regioselective preferential nucleophilic addition of N-heterocycles onto the haloarylalkyne over N-arylation of the aryl halide. In this Account, we summarize our latest achievements in regio-, stereo-, and chemoselective hydroamination chemistry of N-nucleophiles with alkynes using a superbasic medium to produce a broad range of highly functionalized vinyl and styryl enamines, which are valuable and versatile synthetic intermediates for the synthesis of bioactive compounds. Interestingly, the stereoselectivity of the addition products (kinetically stable Z and thermodynamically stable E isomers) was found to be dependent upon time. It is worthwhile to note that hydroaminated products formed by the addition reaction can further be utilized for the synthesis of indolo-/pyrrolo[2,1-a]isoquinolines, naphthyridines, and bisindolo/pyrrolo[2,1-a]isoquinolinesvia tandem cyclization. This chemistry is expected to find application in organic synthesis for constructing a diverse variety of fused π-conjugated compounds, enaminones, and C-C coupled products.
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Affiliation(s)
- Monika Patel
- Department of Chemistry, University of Delhi, Delhi-110007, India
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Weseliński ŁJ, Grillo MJ, Tanasova M. The practical stereocontrolled synthesis of vicinal halohydrins and haloamines from vinyl epoxides and vinyl aziridines. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.08.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Bhaumik A, Pathak T. Methyl-α-D-2-selenonyl Pent-2-enofuranoside: A Reactive Selenosugar for the Diversity Oriented Synthesis of Enantiomerically Pure Heterocycles, Carbocycles, and Isonucleosides. J Org Chem 2015; 80:11057-64. [PMID: 26509277 DOI: 10.1021/acs.joc.5b01192] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The construction of vinyl selenone on a furanoside led to a highly reactive synthetic intermediate methyl-α-D-2-selenonyl pent-2-enofuranoside composed of a masked aldehyde, an electron-deficient double bond along with an excellent leaving group. This new Michael acceptor on reactions with different nucleophiles afforded bicyclic azasugars, cyclopropanated carbohydrate, dihydrofuran- and dihydroisoxazole- substituted furanosides, and isonucleosides in moderate to good yields. Hydrolysis of the hemiacetal linkage of some of these modified carbohydrates afforded enantiopure aziridines, nitrocyclopropane, and dihydrofuran.
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Affiliation(s)
- Atanu Bhaumik
- Department of Chemistry, Indian Institute of Technology Kharagpur , Kharagpur 721302, India
| | - Tanmaya Pathak
- Department of Chemistry, Indian Institute of Technology Kharagpur , Kharagpur 721302, India
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Ring Expansions of Activated Aziridines and Azetidines. TOPICS IN HETEROCYCLIC CHEMISTRY 2015. [DOI: 10.1007/7081_2015_159] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Zhao W, Lu Z, Wulff WD. β-amino esters from the reductive ring opening of aziridine-2-carboxylates. J Org Chem 2014; 79:10068-80. [PMID: 25329528 PMCID: PMC4227569 DOI: 10.1021/jo501694h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Indexed: 11/30/2022]
Abstract
A general study is undertaken to examine the scope of the reductive ring opening of aziridine-2-carboxylates with samarium diiodide. The competition between C-C and C-N bond cleavage is examined as a function of the nature of the N-substituent of the aziridine, the nature of the substituent in the 3-position of the aziridine, and whether the substituent in the 3-position is in a cis or trans relationship with the carboxylate in the 2-position. The desired C-N bond cleavage leads to β-amino esters that are the predominant products for most aziridines with an N-activating group. However, C-C cleavage products are observed with an aryl group in the 3-position; this can be particularly pronounced with cis-aziridines where a nearly equal mixture of the two is observed. Exclusive formation of the C-N cleavage product is observed for all aziridines with the strongly N-activating p-toluene sulfonate group. Similarly high selectivity is observed for the 2-trimethylsilylethyl sulfonate group (SES), which is easier to remove. The utility of these methods is illustrated in the synthesis of protected forms of (R)-β(3)-DOPA and L-DOPA from the same aziridine, the former by SmI2-mediated reductive opening at C-2 and the latter by palladium-mediated reductive opening at C-3.
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Affiliation(s)
- Wenjun Zhao
- Department of Chemistry, Michigan
State University, East Lansing, Michigan 48824, United States
| | - Zhenjie Lu
- Department of Chemistry, Michigan
State University, East Lansing, Michigan 48824, United States
| | - William D. Wulff
- Department of Chemistry, Michigan
State University, East Lansing, Michigan 48824, United States
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Stanton GR, Göllü M, Platoff RM, Rich CE, Carroll PJ, Walsh PJ. Synthesis of ChiralN-Sulfonyl andN-Phosphinoyl α-Halo Aldimine Precursors. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201200864] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kulshrestha A, Salehi Marzijarani N, Dilip Ashtekar K, Staples R, Borhan B. 3,4-Dihydroxypyrrolidines via Modified Tandem Aza-Payne/Hydroamination Pathway. Org Lett 2012; 14:3592-5. [DOI: 10.1021/ol301204w] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aman Kulshrestha
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | | | - Kumar Dilip Ashtekar
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Richard Staples
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Babak Borhan
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
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