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Kumar R, Dohi T, Zhdankin VV. Organohypervalent heterocycles. Chem Soc Rev 2024; 53:4786-4827. [PMID: 38545658 DOI: 10.1039/d2cs01055k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
This review summarizes the structural and synthetic aspects of heterocyclic molecules incorporating an atom of a hypervalent main-group element. The term "hypervalent" has been suggested for derivatives of main-group elements with more than eight valence electrons, and the concept of hypervalency is commonly used despite some criticism from theoretical chemists. The significantly higher thermal stability of hypervalent heterocycles compared to their acyclic analogs adds special features to their chemistry, particularly for bromine and iodine. Heterocyclic compounds of elements with double bonds are not categorized as hypervalent molecules owing to the zwitterionic nature of these bonds, resulting in the conventional 8-electron species. This review is focused on hypervalent heterocyclic derivatives of nonmetal main-group elements, such as boron, silicon, nitrogen, carbon, phosphorus, sulfur, selenium, bromine, chlorine, iodine(III) and iodine(V).
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Affiliation(s)
- Ravi Kumar
- Department of Chemistry, J C Bose University of Science and Technology, YMCA, NH-2, Sector-6, Mathura Road, Faridabad, 121006, Haryana, India.
| | - Toshifumi Dohi
- Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, 1038 University Drive, 126 HCAMS University of Minnesota Duluth, Duluth, Minnesota 55812, USA.
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2
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Doobary S, Di Tommaso EM, Postole A, Inge AK, Olofsson B. Structure-reactivity analysis of novel hypervalent iodine reagents in S-vinylation of thiols. Front Chem 2024; 12:1376948. [PMID: 38487782 PMCID: PMC10937425 DOI: 10.3389/fchem.2024.1376948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
The transition-metal free S-vinylation of thiophenols by vinylbenziodoxolones (VBX) constituted an important step forward in hypervalent iodine-mediated vinylations, highlighting the difference to vinyliodonium salts and that the reaction outcome was influenced by the substitution pattern of the benziodoxolone core. In this study, we report several new classes of hypervalent iodine vinylation reagents; vinylbenziodazolones, vinylbenziodoxolonimine and vinyliodoxathiole dioxides. Their synthesis, structural and electronic properties are described and correlated to the S-vinylation outcome, shedding light on some interesting facets of these reagents.
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Affiliation(s)
- Sayad Doobary
- Department of Organic Chemistry, Stockholm University, Stockholm, Sweden
| | | | - Alexandru Postole
- Department of Organic Chemistry, Stockholm University, Stockholm, Sweden
| | - A. Ken Inge
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
| | - Berit Olofsson
- Department of Organic Chemistry, Stockholm University, Stockholm, Sweden
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3
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Aryl-, Akynyl-, and Alkenylbenziodoxoles: Synthesis and Synthetic Applications. Molecules 2023; 28:molecules28052136. [PMID: 36903382 PMCID: PMC10004369 DOI: 10.3390/molecules28052136] [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: 02/07/2023] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 03/02/2023] Open
Abstract
Hypervalent iodine reagents are in high current demand due to their exceptional reactivity in oxidative transformations, as well as in diverse umpolung functionalization reactions. Cyclic hypervalent iodine compounds, known under the general name of benziodoxoles, possess improved thermal stability and synthetic versatility in comparison with their acyclic analogs. Aryl-, alkenyl-, and alkynylbenziodoxoles have recently received wide synthetic applications as efficient reagents for direct arylation, alkenylation, and alkynylation under mild reaction conditions, including transition metal-free conditions as well as photoredox and transition metal catalysis. Using these reagents, a plethora of valuable, hard-to-reach, and structurally diverse complex products can be synthesized by convenient procedures. The review covers the main aspects of the chemistry of benziodoxole-based aryl-, alkynyl-, and alkenyl- transfer reagents, including preparation and synthetic applications.
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4
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Kawakami R, Usui S, Tada N, Itoh A. Late-stage diversification strategy for synthesizing ynamides through copper-catalyzed diynylation and azide-alkyne cycloaddition. Chem Commun (Camb) 2023; 59:450-453. [PMID: 36519388 DOI: 10.1039/d2cc05575a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A late-stage diversification strategy for synthesizing ynamides has been developed. This strategy was enabled by the copper-catalyzed direct electrophilic diynylation of sulfonamides with a novel triisopropylsilyl diynyl benziodoxolone, deprotection, and the late-stage chemoselective copper-catalyzed azide-alkyne cycloaddition sequence, which yields various complex molecule-derived ynamides with pyrene, amino acid, nucleoside, and N-acetylglucosamine as substituents.
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Affiliation(s)
- Ryohei Kawakami
- Laboratory of Pharmaceutical Synthetic Chemistry, Faculty of Pharmaceutical Science, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.
| | - Suguru Usui
- Laboratory of Pharmaceutical Synthetic Chemistry, Faculty of Pharmaceutical Science, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.
| | - Norihiro Tada
- Laboratory of Pharmaceutical Synthetic Chemistry, Faculty of Pharmaceutical Science, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.
| | - Akichika Itoh
- Laboratory of Pharmaceutical Synthetic Chemistry, Faculty of Pharmaceutical Science, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.
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Shimizu A, Shibata A, Kano T, Kumai Y, Kawakami R, Esaki H, Fukushima K, Tada N, Itoh A. Synthesis of 4-Imidazolidinones from Diamides and Ethynyl Benziodoxolones via Double Michael-Type Addition: Ethynyl Benziodoxolones as Electrophilic Ynol Synthons. Org Lett 2022; 24:8859-8863. [DOI: 10.1021/acs.orglett.2c03648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ayaka Shimizu
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Atsushi Shibata
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Takashi Kano
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Yuuichi Kumai
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Ryouhei Kawakami
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hiroyoshi Esaki
- Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan
| | - Kazuaki Fukushima
- Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan
| | - Norihiro Tada
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Akichika Itoh
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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Li J, Zhou C, Liang H, Guo XQ, Chen LM, Kang TR. Direct One‐Pot Construction of Diaryl Thioethers and 1,3‐Diynes through a Copper(I)‐Catalyzed Reaction of λ3‐Iodanes with Thiophenols. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jun Li
- Chengdu University School of Pharmacy CHINA
| | - Chuang Zhou
- Chengdu University School of Food and Biological Engineering CHINA
| | - Hong Liang
- Chengdu University School of Pharmacy CHINA
| | | | - Lian-Mei Chen
- Chengdu University School of Food and Biological Engineering CHINA
| | - Tai-Ran Kang
- Chengdu University School of Food and Biological Engineering No 1, SHIDA ROAD 610106 Chengdu CHINA
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He SD, Guo XQ, Li J, Zhang YC, Chen LM, Kang TR. Base‐Promoted Reaction of Phenols with Spirocylic λ3‐iodanes: Access to both 2‐Iodovinyl Aryl Ethers and Diaryl Ethers. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shun-Dong He
- Chengdu University Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu CHINA
| | - Xiao-Qiang Guo
- Chengdu University Sichuan Industrial Institute of Antibiotics, School of Pharmacy CHINA
| | - Jun Li
- Chengdu University Sichuan Industrial Institute of Antibiotics, School of Pharmacy CHINA
| | - Yu-Cheng Zhang
- Chengdu University Sichuan Industrial Institute of Antibiotics, School of Pharmacy CHINA
| | - Lian-Mei Chen
- Chengdu University School of Food and Biological Engineering CHINA
| | - Tai-Ran Kang
- Chengdu University School of Food and Biological Engineering No 1, SHIDA ROAD 610106 Chengdu CHINA
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Yoshimura A, Huss CD, Liebl M, Rohde GT, Larson SM, Frahm GB, Luedtke MW, Schumacher TJ, Gardner ZS, Zhdankin VV, Postnikov PS, Yusubov MS, Kitamura T, Saito A. Preparation, Structure, and Reactivity of Pseudocyclic β‐Trifluorosulfonyloxy Vinylbenziodoxolone Derivatives. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100341] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
- Research School of Chemistry and Applied Biomedical Sciences The Tomsk Polytechnic University 634050 Tomsk Russia
- Department of Chemistry and Biochemistry The College of St. Scholastica Duluth Minnesota 55811 USA
| | - Christopher D. Huss
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | - Mackenzie Liebl
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | | | - Scott M. Larson
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | - Gunnar B. Frahm
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | | | - Tanner J. Schumacher
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | - Zachary S. Gardner
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | - Viktor V. Zhdankin
- Department of Chemistry and Biochemistry University of Minnesota Duluth Minnesota 55812 USA
| | - Pavel S. Postnikov
- Research School of Chemistry and Applied Biomedical Sciences The Tomsk Polytechnic University 634050 Tomsk Russia
- Department of Solid-State Engineering University of Chemistry and Technology Prague 16628 Czech Republic
| | - Mekhman S. Yusubov
- Research School of Chemistry and Applied Biomedical Sciences The Tomsk Polytechnic University 634050 Tomsk Russia
| | - Tsugio Kitamura
- Department of Chemistry and Applied Chemistry Saga University, Honjo-machi Saga 840-8502 Japan
| | - Akio Saito
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology 2-23-16 Naka-cho Koganei Tokyo 184-8588
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Shimbo D, Maruyama T, Tada N, Itoh A. N-Alkenylation of hydroxamic acid derivatives with ethynyl benziodoxolone to synthesize cis-enamides through vinyl benziodoxolones. Org Biomol Chem 2021; 19:2442-2447. [PMID: 33666207 DOI: 10.1039/d1ob00055a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The stereoselective synthesis of cis-β-N-alkoxyamidevinyl benziodoxolones (cis-β-N-RO-amide-VBXs) from O-alkyl hydroxamic acids in the presence of an ethynyl benziodoxolone-acetonitrile complex (EBX-MeCN) is reported herein. The reaction was performed under mild conditions including an aqueous solvent, a mild base, and room temperature. The reaction tolerated various O-alkyl hydroxamic acids derived from carboxylic acids, such as amino acids, pharmaceuticals, and natural products. Vinyl dideuterated cis-β-N-MeO-amide-VBXs were also synthesized using deuterium oxide as the deuterium source. Valine-derived cis-β-N-MeO-amide-VBX was stereospecifically derivatized to hydroxamic acid-derived cis-enamides without the loss of stereoselectivity or reduction in the deuterium/hydrogen ratio.
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Affiliation(s)
- Daisuke Shimbo
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
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Takai R, Shimbo D, Tada N, Itoh A. Ligand-Enabled Copper-Catalyzed N-Alkynylation of Sulfonamide with Alkynyl Benziodoxolone: Synthesis of Amino Acid-Derived Ynamide. J Org Chem 2021; 86:4699-4713. [PMID: 33719425 DOI: 10.1021/acs.joc.1c00101] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ynamides are versatile building blocks in organic synthesis. However, the synthesis of amino acid-derived ynamides is difficult but in high demand. Herein, we disclose the copper-catalyzed Csp-N coupling of sulfonamide, including amino acid and peptide derivatives, to give ynamides by using alkynyl benziodoxolones with broad functional group tolerance under mild reaction conditions. The electron-rich bipyridine as a ligand and ethanol as solvent were used for the success of this reaction. The usefulness of the obtained amino acid-derived ynamide as building block was showcased by further derivatization to unique amino acid derivatives. A control experiment to elucidate the mechanistic insight was also described.
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Affiliation(s)
- Ryogo Takai
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Daisuke Shimbo
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Norihiro Tada
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Akichika Itoh
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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Laskar RA, Ding W, Yoshikai N. Iodo(III)-Meyer-Schuster Rearrangement of Propargylic Alcohols Promoted by Benziodoxole Triflate. Org Lett 2021; 23:1113-1117. [PMID: 33439023 DOI: 10.1021/acs.orglett.1c00039] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Benziodoxole triflate (BXT), a cyclic iodine(III) electrophile, has been found to promote a rearrangement of propargylic alcohols into α,β-unsaturated ketones bearing an α-λ3-iodanyl group. This iodo(III)-Meyer-Schuster rearrangement proceeds under mild conditions and tolerates a variety of functionalized propargylic alcohols, thus complementing previously reported halogen-intercepted Meyer-Schuster rearrangement. The α-λ3-iodanylenones can be utilized for facile Pd-catalyzed cross-coupling for the synthesis of multisubstituted enones.
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Affiliation(s)
- Roshayed Ali Laskar
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Wei Ding
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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