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Shetgaonkar SE, Jothish S, Dohi T, Singh FV. Iodine(V)-Based Oxidants in Oxidation Reactions. Molecules 2023; 28:5250. [PMID: 37446912 DOI: 10.3390/molecules28135250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
The chemistry of hypervalent iodine reagents has now become quite valuable due to the reactivity of these compounds under mild reaction conditions and their resemblance in chemical properties to transition metals. The environmentally friendly nature of these reagents makes them suitable for Green Chemistry. Reagents with a dual nature, such as iodine(III) reagents, are capable electrophiles, while iodine(V) reagents are known for their strong oxidant behavior. Various iodine(V) reagents including IBX and DMP have been used as oxidants in organic synthesis either in stoichiometric or in catalytic amounts. In this review article, we describe various oxidation reactions induced by iodine(V) reagents reported in the past decade.
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Affiliation(s)
- Samata E Shetgaonkar
- School of Chemical Sciences, Goa University, Taleigao Plateau 403206, Goa, India
| | - Subhiksha Jothish
- Chemistry Division, School of Advanced Sciences (SAS), Vellore Institute of Technology, Chennai 600127, Tamil Nadu, India
| | - Toshifumi Dohi
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-0058, Shiga, Japan
| | - Fateh V Singh
- Chemistry Division, School of Advanced Sciences (SAS), Vellore Institute of Technology, Chennai 600127, Tamil Nadu, India
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Singh FV, Shetgaonkar SE, Krishnan M, Wirth T. Progress in organocatalysis with hypervalent iodine catalysts. Chem Soc Rev 2022; 51:8102-8139. [PMID: 36063409 DOI: 10.1039/d2cs00206j] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hypervalent iodine compounds as environmentally friendly and relatively inexpensive reagents have properties similar to transition metals. They are employed as alternatives to transition metal catalysts in organic synthesis as mild, nontoxic, selective and recyclable catalytic reagents. Formation of C-N, C-O, C-S, C-F and C-C bonds can be seamlessly accomplished by hypervalent iodine catalysed oxidative functionalisations. The aim of this review is to highlight recent developments in the utilisation of iodine(III) and iodine(V) catalysts in the synthesis of a wide range of organic compounds including chiral catalysts for stereoselective synthesis. Polymer-, magnetic nanoparticle- and metal organic framework-supported hypervalent iodine catalysts are also described.
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Affiliation(s)
- Fateh V Singh
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Samata E Shetgaonkar
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Manjula Krishnan
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Thomas Wirth
- School of Chemistry, Cardiff University, Cardiff, UK.
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Palladium-Catalyzed Organic Reactions Involving Hypervalent Iodine Reagents. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123900. [PMID: 35745020 PMCID: PMC9230104 DOI: 10.3390/molecules27123900] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/07/2022] [Accepted: 06/11/2022] [Indexed: 01/13/2023]
Abstract
The chemistry of polyvalent iodine compounds has piqued the interest of researchers due to their role as important and flexible reagents in synthetic organic chemistry, resulting in a broad variety of useful organic molecules. These chemicals have potential uses in various functionalization procedures due to their non-toxic and environmentally friendly properties. As they are also strong electrophiles and potent oxidizing agents, the use of hypervalent iodine reagents in palladium-catalyzed transformations has received a lot of attention in recent years. Extensive research has been conducted on the subject of C—H bond functionalization by Pd catalysis with hypervalent iodine reagents as oxidants. Furthermore, the iodine(III) reagent is now often used as an arylating agent in Pd-catalyzed C—H arylation or Heck-type cross-coupling processes. In this article, the recent advances in palladium-catalyzed oxidative cross-coupling reactions employing hypervalent iodine reagents are reviewed in detail.
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Ultrasound-assisted synthesis, photophysical behaviour and single crystal X-ray analysis of highly functionalized prenylarenes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Britt LH, Zhao Z, Murphy GK. Award Lecture Paper: Hypervalent Iodine-Mediated Oxidative Alkene Arylation: A Thorough Analysis. CAN J CHEM 2022. [DOI: 10.1139/cjc-2022-0032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A hypervalent iodine-mediated, oxidative alkene arylation reaction has been developed. Both Koser’s reagent (PhI(OH)OTs) and (diacetoxyiodo)toluene (TolI(OAc)<sub>2</sub>) were equally viable as oxidants, which reacted with ortho-vinylbiphenyl derivatives to produce tri-, tetra- and pentacyclic polycyclic aromatic hydrocarbons (PAHs) in yields up to 97%. Comparison of this stoichiometric reaction with a previously-reported catalytic process showed that these protocols were largely complementary, and that they likely operate via the same general mechanistic sequence involving vinyliodonium salts decomposing into vinylene phenonium ions. Various mechanistic control experiments were conducted, which ruled out epoxides as intermediates, and which showed that E- and Z- alkene geometry in 10-substituted ortho-vinylbiphenyls had no impact on the ensuing isomeric product distributions. These experiments strongly supported the formation of E-vinyliodonium ions as initial reaction intermediates, and while the occurrence of 1,2-phenyl shift products was a common phenomenon, we concluded that alkyl substitution on the ortho-vinylbiphenyl was a requirement for this alternate pathway to occur.
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Affiliation(s)
| | - Zhensheng Zhao
- University of Waterloo, Chemistry, Waterloo, Ontario, Canada,
| | - Graham Kevin Murphy
- University of Waterloo, Chemistry, C2-367 Department of Chemistry, 200 University Ave W., Waterloo, Ontario, Canada, N2L3G1,
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Kar S, Sanderson H, Roy K, Benfenati E, Leszczynski J. Green Chemistry in the Synthesis of Pharmaceuticals. Chem Rev 2021; 122:3637-3710. [PMID: 34910451 DOI: 10.1021/acs.chemrev.1c00631] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The principles of green chemistry (GC) can be comprehensively implemented in green synthesis of pharmaceuticals by choosing no solvents or green solvents (preferably water), alternative reaction media, and consideration of one-pot synthesis, multicomponent reactions (MCRs), continuous processing, and process intensification approaches for atom economy and final waste reduction. The GC's execution in green synthesis can be performed using a holistic design of the active pharmaceutical ingredient's (API) life cycle, minimizing hazards and pollution, and capitalizing the resource efficiency in the synthesis technique. Thus, the presented review accounts for the comprehensive exploration of GC's principles and metrics, an appropriate implication of those ideas in each step of the reaction schemes, from raw material to an intermediate to the final product's synthesis, and the final execution of the synthesis into scalable industry-based production. For real-life examples, we have discussed the synthesis of a series of established generic pharmaceuticals, starting with the raw materials, and the intermediates of the corresponding pharmaceuticals. Researchers and industries have thoughtfully instigated a green synthesis process to control the atom economy and waste reduction to protect the environment. We have extensively discussed significant reactions relevant for green synthesis, one-pot cascade synthesis, MCRs, continuous processing, and process intensification, which may contribute to the future of green and sustainable synthesis of APIs.
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Affiliation(s)
- Supratik Kar
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, Mississippi 39217, United States
| | - Hans Sanderson
- Department of Environmental Science, Section for Toxicology and Chemistry, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
| | - Kunal Roy
- Drug Theoretics and Cheminformatics Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India.,Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 19, 20156 Milano, Italy
| | - Emilio Benfenati
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 19, 20156 Milano, Italy
| | - Jerzy Leszczynski
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, Mississippi 39217, United States
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Shetgaonkar SE, Singh FV. Hypervalent Iodine Reagents in Palladium-Catalyzed Oxidative Cross-Coupling Reactions. Front Chem 2020; 8:705. [PMID: 33134246 PMCID: PMC7553084 DOI: 10.3389/fchem.2020.00705] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/09/2020] [Indexed: 01/12/2023] Open
Abstract
Hypervalent iodine compounds are valuable and versatile reagents in synthetic organic chemistry, generating a diverse array of useful organic molecules. Owing to their non-toxic and environmentally friendly features, these reagents find potential applications in various oxidative functionalization reactions. In recent years, the use of hypervalent iodine reagents in palladium-catalyzed transformations has been widely studied as they are strong electrophiles and powerful oxidizing agents. For instance, extensive work has been carried out in the field of C–H bond functionalization via Pd-catalysis using hypervalent iodine reagents as oxidants. In addition, nowadays, iodine(III) reagents have been frequently employed as arylating agents in Pd-catalyzed C–H arylation or Heck-type cross-coupling reactions. In this review, recent advancements in the area of palladium-catalyzed oxidative cross-coupling reactions using hypervalent iodine reagents are summarized in detail.
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Affiliation(s)
- Samata E Shetgaonkar
- Chemistry Division, School of Advanced Science, Vellore Institute of Technology, Chennai, India
| | - Fateh V Singh
- Chemistry Division, School of Advanced Science, Vellore Institute of Technology, Chennai, India
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Mangaonkar SR, Shetgaonkar SE, Vernekar AA, Singh FV. Ultrasonic‐Assisted Hypervalent Iodine‐Catalyzed Cyclization of (
E
)‐2‐Hydroxystilbenes to Benzofurans Using Iodobenzene as Pre‐catalyst. ChemistrySelect 2020. [DOI: 10.1002/slct.202002860] [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]
Affiliation(s)
- Saeesh R. Mangaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Samata E. Shetgaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Amit A. Vernekar
- Inorganic and Physical Chemistry Laboratory CSIR-Central Leather Research Institute (CLRI) Adyar Chennai 600 020, Tamil Nadu India
- Academy of Scientific and Innovative Research (AcSIR) New Delhi India
| | - Fateh V. Singh
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
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Draye M, Chatel G, Duwald R. Ultrasound for Drug Synthesis: A Green Approach. Pharmaceuticals (Basel) 2020; 13:E23. [PMID: 32024033 PMCID: PMC7168956 DOI: 10.3390/ph13020023] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 02/07/2023] Open
Abstract
This last century, the development of new medicinal molecules represents a real breakthrough in terms of humans and animal life expectancy and quality of life. However, this success is tainted by negative environmental consequences. Indeed, the synthesis of drug candidates requires the use of many chemicals, solvents, and processes that are very hazardous, toxic, energy consuming, expensive, and generates a large amount of waste. Many large pharmaceutical companies have thus moved to using green chemistry practices for drug discovery, development, and manufacturing. One of them is the use of energy-efficient activation techniques, such as ultrasound. This review summarizes the latest most representative works published on the use of ultrasound for sustainable bioactive molecules synthesis.
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Affiliation(s)
- Micheline Draye
- Université Savoie Mont Blanc—LCME, F-73000 Chambéry, France; (G.C.); (R.D.)
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Shetgaonkar SE, Singh FV. Ultrasound-assisted one pot synthesis of polysubstituted meta-terphenyls using ring transformation strategy. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1591454] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | - Fateh V. Singh
- Chemistry Division, School of Advanced Sciences, VIT University, Chennai, TN, India
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