1
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Xie J, Li W, Lu Y, Zheng Y, Huang Y, Chen S, Song Q. Unlocking Diverse π-Bond Enrichment Frameworks by the Synthesis and Conversion of Boronated Phenyldiethynylethylenes. J Am Chem Soc 2024; 146:10167-10176. [PMID: 38536043 DOI: 10.1021/jacs.4c01989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
The π-bond enrichment frameworks not only serve as a crucial building block in organic synthesis but also assume a pivotal role in the fields of materials science, biomedicine, photochemistry, and other related disciplines owing to their distinctive structural characteristics. The incorporation of various substituents into the C═C double bonds of tetrasubstituted alkenes is currently a highly significant research area. However, the synthesis of tetrasubstituted alkenes with diverse substituents on double bonds poses a significant challenge in achieving stereoselectivity. Here, we reported an efficient and convergent route of Cu-catalyzed borylalkynylation of both symmetrical and unsymmetrical 1,3-diynes, B2pin2, and acetylene bromide to the construction of boronated phenyldiethynylethylene (BPDEE) derivatives with excellent chemo-, stereo-, and regioselectivities. BPDEE derivatives could transform into novel tetrasubstituted organic π-conjugated gem-diphenyldiethynylethylene (DPDEE), vinylphenyldiethynylethylene (VPDEE), and phenyltriethynylethylene (PTEE) derivatives by a stepwise process, which provides a flexible platform for the synthesis of complex π-bond enrichment frameworks that were difficult to synthesize by previous methods. The initial optical characterization revealed that the synthesized molecules exhibited aggregation-induced emission (AIE) properties, which further establishes the groundwork for future applications and enriches and advances the field of functional π-conjugated frameworks research.
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Affiliation(s)
- Jinhui Xie
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Wangyang Li
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yong Lu
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yanping Zheng
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yanying Huang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Shanglin Chen
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Qiuling Song
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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2
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Duong T, Valenzuela EA, Ragains JR. Benzyne-Promoted, 1,2- cis-Selective O-Glycosylation with Benzylchalcogenoglycoside Donors. Org Lett 2023; 25:8526-8529. [PMID: 37970840 PMCID: PMC10696609 DOI: 10.1021/acs.orglett.3c03502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/11/2023] [Accepted: 11/15/2023] [Indexed: 11/19/2023]
Abstract
Here, we show that the reaction of benzylchalcogenoglycosides with benzyne in the presence of alcohols results in highly 1,2-cis-selective O-glycosylation in a solvent-dependent manner. Thioglycosides, selenoglycosides, and alcohols with a range of nucleophilicities lead to a productive reaction, and unusual protecting groups, auxiliary groups, and additives are avoided.
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Affiliation(s)
- Tiffany Duong
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70806, United States
| | - Erik Alvarez Valenzuela
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70806, United States
| | - Justin R. Ragains
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70806, United States
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3
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Ito M, Takishima Y, Ishikawa R, Kamimura M, Watanabe H, Konishi T, Higuchi K, Sugiyama S. Development of 3-triazenylaryne and its application to iterative aryne reactions via o-triazenylarylboronic acids. Chem Commun (Camb) 2023; 59:14249-14252. [PMID: 37947053 DOI: 10.1039/d3cc04878k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Herein, a novel aryne species, 3-triazenylaryne, was developed and its regioselectivity was revealed. Based on the regioselectivity, various alkyne moieties were introduced by iodoalkynylation, and further derivatization to o-triazenylarylboronic acids as 3-alkynylaryne precursors was enabled. Therefore, 3-triazenylaryne was developed as a divergent platform for the generation of various 3-alkynylarynes.
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Affiliation(s)
- Motoki Ito
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Yuta Takishima
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Rinto Ishikawa
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Mao Kamimura
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Hana Watanabe
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Takehiro Konishi
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Kazuhiro Higuchi
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
| | - Shigeo Sugiyama
- Meiji Pharmaceutical University, 2-522-1 Noshio Kiyose, Tokyo 204-8588, Japan.
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4
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Yu H, Xu F. Advances in the synthesis of nitrogen-containing heterocyclic compounds by in situ benzyne cycloaddition. RSC Adv 2023; 13:8238-8253. [PMID: 36922948 PMCID: PMC10010163 DOI: 10.1039/d3ra00400g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
Nitrogen-containing heterocyclic compounds are prevalent in various natural products, medicines, agrochemicals, and organic functional materials. Among strategies to prepare nitrogen-containing heterocyclic compounds, pathways involving benzyne intermediates are attractive given that they can readily assemble highly diverse heterocyclic compounds in a step-economical manner under transition-metal-free conditions. The synthesis of nitrogen-containing heterocyclic compounds from benzyne intermediates offers an alternative strategy to the conventional metal-catalyzed activation approaches. In the past years, chemists have witnessed the revival of benzyne chemistry, mainly attributed to the wide application of various novel benzyne precursors. The cycloaddition of benzynes is a powerful tool for the synthesis of nitrogen-containing heterocyclic compounds, which can be constructed by [n + 2] cyclization of benzyne intermediates in situ generated from benzyne precursors under mild reaction conditions. This review focuses on the application of cycloaddition reactions involving in situ benzynes in the construction of various nitrogen-containing heterocyclic compounds.
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Affiliation(s)
- Hui Yu
- Department of Pharmacy, Shizhen College of Guizhou University of Traditional Chinese Medicine Guiyang Guizhou 550200 China
| | - Feng Xu
- School of Mathematics and Information Science, Guiyang University Guiyang Guizhou 550005 P. R. China
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5
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Singla D, Paul K. One-Pot Cascade Access to Ru(II)-Catalyzed Regioselective C(sp 2)-H Activation/Alkenylation of Chromeno[4,3- c]pyrazol-4-ones and Their Emission Solvatochromic Studies. J Org Chem 2022; 87:16436-16448. [DOI: 10.1021/acs.joc.2c02130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Dinesh Singla
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147001, India
| | - Kamaldeep Paul
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147001, India
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6
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Gorantla SMNVT, Mondal KC. Uncovering the hidden reactivity of benzyne/aryne precursors utilized under milder condition: Bonding and stability studies by EDA-NOCV analyses. J Comput Chem 2022; 43:1543-1560. [PMID: 35861589 DOI: 10.1002/jcc.26956] [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: 02/16/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 11/12/2022]
Abstract
Arenes [C6 H3 R(TMS)(OTf); also called benzyne/aryne precursors] containing inter-related leaving groups Me3 Si (TMS) and CF3 SO3 (OTf) on the adjacent positions (1,2-position) are generally converted to their corresponding aryne-intermediates via the addition of fluoride anion (F- ) and subsequent elimination of TMS and OTf groups. This reaction is believed to proceed via the formation of an anionic intermediate [C6 H4 (TMS-F)(OTf)]- . The EDA-NOCV analysis (EDA-NOCV = energy decomposition analysis-natural orbital for chemical valence) of over 35 such precursors of varied types have been reported to reveal bonding and stability of CAr Si and COTf bonds. EDA-NOCV showed that the nature of the CAr Si bond of C6 H3 R(TMS)(OTf) can be expressed as both dative and electron sharing [CAr Si, CAr →Si]. The CAr OTf bond, on the other hand, can be described explicitly as dative [CAr ←OTf]. The nature of CAr Si bond of [C6 H4 (TMS-F)(OTf)]- exclusively changes to covalent dative σ-bond CAr →S(Me)3F on the attachment of F- to the TMS group of C6 H4 (TMS)(OTf). Introduction of σ-electron withdrawing group (like OMe, NMe2 , and NO2 ) to the ortho-position of the TMS group of functionalized arynes C6 H3 R(TMS)(OTf) prefer to have a covalent dative σ-bond (CAr →Si) over an electron-sharing covalent σ-bond (CAr Si). If this σ-electron withdrawing group is shifted from ortho-position to meta- and para-positions, then the preference for a dative bond decreases significantly, implying that the electronic effect on the nature of chemical bonds affects through bond paths. This effect dies with distance, similar to the well-known inductive effect.
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7
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Alabugin I, Hu C. A Swiss Army knife for surface chemistry. Science 2022; 377:261-262. [DOI: 10.1126/science.abq2622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Voltage pulses offer a way to control single-molecule reactions on a surface
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Affiliation(s)
- Igor Alabugin
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA
| | - Chaowei Hu
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA
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8
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Tawatari T, Takasu K, Takikawa H. 2-(Chlorodiisopropylsilyl)-6-(trimethylsilyl)phenyl triflate: a modified platform for intramolecular benzyne cycloadditions. Chem Commun (Camb) 2021; 57:11863-11866. [PMID: 34704558 DOI: 10.1039/d1cc05264k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
2-(Chlorodiisopropylsilyl)-6-(trimethylsilyl)phenyl triflate serves as an efficient aryne precursor for intramolecular benzyne [4 + 2] or (2 + 2 + 2) cycloadditions. Key features of this precursor are (1) rapid connection of various arynophiles to the precursor via a Si-O bond and (2) generation of aryne under mild conditions using a combination of Cs2CO3 and 18-crown-6.
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Affiliation(s)
- Tsukasa Tawatari
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Kiyosei Takasu
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Hiroshi Takikawa
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan.
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9
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Bürger M, Ehrhardt N, Barber T, Ball LT, Namyslo JC, Jones PG, Werz DB. Phosphine-Catalyzed Aryne Oligomerization: Direct Access to α,ω-Bisfunctionalized Oligo( ortho-arylenes). J Am Chem Soc 2021; 143:16796-16803. [PMID: 34585921 DOI: 10.1021/jacs.1c08689] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A phosphine-catalyzed oligomerization of arynes using selenocyanates was developed. The use of JohnPhos as a bulky phosphine is the key to accessing α,ω-bisfunctionalized oligo(ortho-arylenes) with RSe as the substituent at one terminus and CN as the substituent at the other. The in situ formation of R3PSeR' cations, serving as sterically encumbered electrophiles, hinders the immediate reaction that affords the 1,2-bisfunctionalization product and instead opens a competitive pathway leading to oligomerization. Various optimized conditions for the predominant formation of dimers, but also for higher oligomers such as trimers and tetramers, were developed. Depending on the electronic properties of the electrophilic reaction partner, even compounds up to octamers were isolated. Optimization experiments revealed that a properly tuned phosphine as catalyst is of crucial importance. Mechanistic studies demonstrated that the cascade starts with the attack of cyanide; aryne insertion into n-mers leading to (n+1)-mers was ruled out.
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Affiliation(s)
| | | | - Thomas Barber
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
| | - Liam T Ball
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
| | - Jan C Namyslo
- Clausthal University of Technology, Institute of Organic Chemistry, Leibnizstrasse 6, 38678 Clausthal-Zellerfeld, Germany
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10
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Jeon YK, Kim WS. 1,3-Aza-Brook Rearrangement of Aniline Derivatives: In Situ Generation of 3-Aminoaryne via 1,3-C-(sp 2)-to-N Silyl Migration. Org Lett 2021; 23:7545-7549. [PMID: 34553933 DOI: 10.1021/acs.orglett.1c02751] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The design, synthesis, and validation of 3-aminobenzyne precursors induced by C-(sp2)-to-N 1,3-aza-Brook rearrangement have been achieved, allowing access to diverse aniline derivatives. Through crossover experiments, we demonstrated the intramolecular mechanism of 1,3-C-to-N silyl transfer. To gain insight into the regioselectivity observed in the reactions, we performed density functional theory calculations. Finally, the method was applied to the synthesis of xylanigripones A in five linear steps in an overall yield of 30%.
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Affiliation(s)
- Young-Kyo Jeon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, South Korea
| | - Won-Suk Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, South Korea
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11
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Radial hexadehydro-Diels-Alder reactions. Chem 2021; 7:2527-2537. [DOI: 10.1016/j.chempr.2021.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Hu Y, Huang Y, Zhao X, Gao Y, Li X, Chen Q. A three-component reaction of arynes, sodium sulfinates, and aldehydes toward 2-sulfonyl benzyl alcohol derivatives. Org Biomol Chem 2021; 19:7066-7073. [PMID: 34341811 DOI: 10.1039/d1ob01229k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel three-component reaction of arynes, sodium sulfinates, and aldehydes under mild reaction conditions is described. This transformation provides a direct synthetic approach to 2-sulfonyl benzyl alcohol derivatives, which could be rapidly converted to diverse arylsulfur compounds via the transformation of the corresponding hydroxyl groups. Various aryne precursors, sodium arenesulfinates, and aromatic aldehydes can be effectively converted to the desired products in 40-84% yields (29 examples).
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Affiliation(s)
- Yifan Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
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13
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Huang Y, Hu Y, Han Y, Ou Y, Huo Y, Li X, Chen Q. Direct Synthesis of ortho-Halogenated Arylphosphonates via a Three-Component Reaction Involving Arynes. J Org Chem 2021; 86:7010-7018. [PMID: 33881847 DOI: 10.1021/acs.joc.1c00550] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A three-component reaction involving arynes, trialkyl phosphites, and halides has been achieved under mild reaction conditions. This transformation provides a direct synthetic approach to ortho-halogenated arylphosphonates, which could be rapidly converted to diversely ortho-functionalized arylphosphorus compounds.
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Affiliation(s)
- Yuanting Huang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Yifan Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Yukun Han
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Yingcong Ou
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Yanping Huo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Xianwei Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Qian Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
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14
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Xu YZ, Tian JW, Sha F, Li Q, Wu XY. Concise Synthesis of Chromene/Chromane-Type Aryne Precursors and Their Applications. J Org Chem 2021; 86:6765-6779. [PMID: 33852309 DOI: 10.1021/acs.joc.1c00493] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The gram-scale synthesis of 5,6-, 6,7-, and 7,8-chromene/chromane-type aryne precursors and their applications in regioselective transformation to other functional derivatives is reported. Chromene/chromane-type arynes are generated under mild conditions, which can further undergo [2 + 2], [3 + 2], and [4 + 2] cycloaddition reactions, nucleophilic addition reactions, and σ-insertion reactions to produce structurally novel substituted chromenes and chromanes. The excellent regioselectivity of the reaction is facilitated by the oxygen-containing guiding groups at the ortho-position of the triple bond, which can be removed or switched to other functional groups including alkenyl, aryl, heteroaryl, and arylamino groups.
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Affiliation(s)
- Yuan-Ze Xu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, China
| | - Jia-Wei Tian
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, China
| | - Feng Sha
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, China
| | - Qiong Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, China
| | - Xin-Yan Wu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, China
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15
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Nakajima H, Hazama Y, Sakata Y, Uchida K, Hosoya T, Yoshida S. Diverse diaryl sulfide synthesis through consecutive aryne reactions. Chem Commun (Camb) 2021; 57:2621-2624. [PMID: 33586722 DOI: 10.1039/d0cc08373a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
An efficient method to synthesize diaryl sulfides with structural diversity is disclosed. Demethylative hydrothiolation of aryne intermediates generated from o-iodoaryl triflates with methylthio-substituted o-silylaryl triflates and further aryne reactions afford diverse diaryl sulfides.
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Affiliation(s)
- Hana Nakajima
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Yuki Hazama
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Yuki Sakata
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Keisuke Uchida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
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16
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Fluegel LL, Hoye TR. Hexadehydro-Diels-Alder Reaction: Benzyne Generation via Cycloisomerization of Tethered Triynes. Chem Rev 2021; 121:2413-2444. [PMID: 33492939 PMCID: PMC8008985 DOI: 10.1021/acs.chemrev.0c00825] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The hexadehydro-Diels-Alder (HDDA) reaction is the thermal cyclization of an alkyne and a 1,3-diyne to generate a benzyne intermediate. This is then rapidly trapped, in situ, by a variety of species to yield highly functionalized benzenoid products. In contrast to nearly all other methods of aryne generation, no other reagents are required to produce an HDDA benzyne. The versatile and customizable nature of the process has attracted much attention due not only to its synthetic potential but also because of the fundamental mechanistic insights the studies often afford. The authors have attempted to provide here a comprehensive compilation of publications appearing by mid-2020 that describe experimental results of HDDA reactions.
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Affiliation(s)
- Lucas L Fluegel
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Thomas R Hoye
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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17
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Affiliation(s)
- Jiarong Shi
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Lianggui Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
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18
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Shi J, Li L, Shan C, Wang J, Chen Z, Gu R, He J, Tan M, Lan Y, Li Y. Aryne 1,2,3,5-Tetrasubstitution Enabled by 3-Silylaryne and Allyl Sulfoxide via an Aromatic 1,3-Silyl Migration. J Am Chem Soc 2021; 143:2178-2184. [DOI: 10.1021/jacs.0c11119] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jiarong Shi
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Lianggui Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Chunhui Shan
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Junli Wang
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Zhonghong Chen
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Rongrong Gu
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Jia He
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Min Tan
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, P. R. China
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
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19
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Jolly CS, Kochanowski E, Dodd CJ, Post SJ, Hill HM, Turlington M. Diastereoselective Synthesis of Terminal Bromo-Substituted Propargylamines via Generation of Lithium Bromoacetylide and Addition to Chiral N- tert-Butanesulfinyl Aldimines. J Org Chem 2021; 86:2667-2681. [PMID: 33448846 DOI: 10.1021/acs.joc.0c02697] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The stereoselective synthesis of terminal bromo-substituted propargylamines via in situ generation of lithium bromoacetylide from 1,2-dibromoethene and addition to Ellman chiral N-tert-butanesulfinyl aldimines is reported. Modest to good yields (43-85%) and diastereoselectivity (dr = 3:1 to >20:1) were achieved for a range of aryl, heteroaryl, alkyl, and α,β-unsaturated substrates. Terminal bromo-substituted propargylamines prepared via this method can be directly used in the frequently employed Cadiot-Chodkiewicz coupling to produce functionalized diynes. The method reported here increases the structural diversity of chiral terminal bromo-substituted propargylamines that can be readily synthesized as previous methods for the stereoselective synthesis of these compounds rely on amino acid precursors from the chiral pool.
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Affiliation(s)
- Charles S Jolly
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Emma Kochanowski
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Cayden J Dodd
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Savannah J Post
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Harrison M Hill
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Mark Turlington
- Department of Chemistry & Biochemistry, Berry College, Mount Berry, Georgia 30149, United States
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20
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Scherübl M, Daniliuc CG, Studer A. Arynes as Radical Acceptors: TEMPO-Mediated Cascades Comprising Addition, Cyclization, and Trapping. Angew Chem Int Ed Engl 2021; 60:711-715. [PMID: 33038065 PMCID: PMC7839731 DOI: 10.1002/anie.202012654] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/08/2020] [Indexed: 12/18/2022]
Abstract
The application of arynes as radical acceptors is described. The stable radical TEMPO (2,2,6,6-tetramethyl piperidine 1-oxyl) is shown to add to various ortho-substituted benzynes generating the corresponding aryl radicals which engage in 5-exo or 6-endo cyclizations. The cyclized radicals are eventually trapped by TEMPO. The introduced method provides ready access to various dihydrobenzofurans, oxindoles, and sultones by a conceptually novel approach.
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Affiliation(s)
- Maximilian Scherübl
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstraße 4048149MünsterGermany
| | - Constantin G. Daniliuc
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstraße 4048149MünsterGermany
| | - Armido Studer
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstraße 4048149MünsterGermany
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21
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Scherübl M, Daniliuc CG, Studer A. Arine als Radikalakzeptoren: TEMPO‐induzierte Kaskaden über Addition, Zyklisierung und Kreuzkupplung. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012654] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Maximilian Scherübl
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 40 48149 Münster Deutschland
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 40 48149 Münster Deutschland
| | - Armido Studer
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 40 48149 Münster Deutschland
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22
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Yao L, Fang B, Hu Q, Lei Y, Bao L, Hu Y. Phenanthrenes/dihydrophenanthrenes: the selectivity controlled by different benzynes and allenes. Chem Commun (Camb) 2020; 56:15185-15188. [PMID: 33216071 DOI: 10.1039/d0cc06300b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method for the intermolecular annulation of benzynes with allenes is disclosed. This protocol utilized allenes as an unconventional diene component for the selective synthesis of phenanthrenes and dihydrophenanthrenes under the control of different benzyne precursors, featuring high atom-economy and good functional group compatibility. Density functional theory (DFT) calculations reveal that different migratory routes of the aromatic C-H bond are crucial for the observed selectivity.
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Affiliation(s)
- Liangliang Yao
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecular-Based Materials, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China.
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23
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Matsuzawa T, Hosoya T, Yoshida S. One-step synthesis of benzo[ b]thiophenes by aryne reaction with alkynyl sulfides. Chem Sci 2020; 11:9691-9696. [PMID: 34094234 PMCID: PMC8162113 DOI: 10.1039/d0sc04450d] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022] Open
Abstract
An aryne reaction with alkynyl sulfides affording benzo[b]thiophenes is disclosed. A wide range of 3-substituted benzothiophenes were synthesized from easily available o-silylaryl triflates and alkynyl sulfides in a one-step intermolecular manner. The synthesis of diverse multisubstituted benzothiophene derivatives involving a pentacyclic compound was achieved by virtue of the good functional group tolerance and versatile C2 functionalizations.
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Affiliation(s)
- Tsubasa Matsuzawa
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) 2-3-10 Kanda-Surugadai Chiyoda-ku Tokyo 101-0062 Japan
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) 2-3-10 Kanda-Surugadai Chiyoda-ku Tokyo 101-0062 Japan
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) 2-3-10 Kanda-Surugadai Chiyoda-ku Tokyo 101-0062 Japan
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24
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Almehmadi YA, West FG. A Mild Method for the Generation and Interception of 1,2-Cycloheptadienes with 1,3-Dipoles. Org Lett 2020; 22:6091-6095. [PMID: 32790431 DOI: 10.1021/acs.orglett.0c02172] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
1,2-Cycloheptadiene is a strained, transient species that has been underutilized as a synthetic building block. Seven-membered cyclic allenes are mostly known for their propensity to undergo rapid dimerization, and relatively little has been reported regarding their cycloaddition reactivity with 1,3-dienes or 1,3-dipoles. This work describes the trapping of 1-acetoxy-1,2-cycloheptadiene and its unsubstituted counterpart, generated via desilylative elimination, with a range of 1,3-dipolar trapping partners, affording complex polycyclic products with high regio- and diastereoselectivity.
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Affiliation(s)
- Yaseen A Almehmadi
- Department of Chemistry, University of Alberta, W5-70D, Gunning/Lemieux Chemistry Centre, Edmonton, Alberta T6G 2G2, Canada.,Department of Chemistry, College of Science & Arts, King Abdulaziz University, P.O. Box 344, Rabigh 21911, Saudi Arabia
| | - F G West
- Department of Chemistry, University of Alberta, W5-70D, Gunning/Lemieux Chemistry Centre, Edmonton, Alberta T6G 2G2, Canada
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25
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Saputra A, Fan R, Yao T, Chen J, Tan J. Synthesis of 2‐(Arylthio)indolenines via Chemoselective Arylation of Thio‐Oxindoles with Arynes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000308] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Adi Saputra
- Department of Organic Chemistry, College of Chemistry, BeijingUniversity of Chemical Technology Beijing 100029 People's Republic of China
| | - Rong Fan
- Department of Organic Chemistry, College of Chemistry, BeijingUniversity of Chemical Technology Beijing 100029 People's Republic of China
| | - Tuanli Yao
- College of Chemistry and Chemical EngineeringShaanxi University of Science and Technology 6 Xuefu Road, Weiyang District Xi'an, Shaanxi 710021 People's Republic of China
| | - Jian Chen
- Department of Organic Chemistry, College of Chemistry, BeijingUniversity of Chemical Technology Beijing 100029 People's Republic of China
| | - Jiajing Tan
- Department of Organic Chemistry, College of Chemistry, BeijingUniversity of Chemical Technology Beijing 100029 People's Republic of China
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26
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Fused multifunctionalized bridge aromatic hydrocarbons from in situ-generated arynes and anthracene derivatives. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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27
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Castro AC, Romero-Rivera A, Osuna S, Houk KN, Swart M. Computational NMR Spectra of o-Benzyne and Stable Guests and Their Hemicarceplexes. Chemistry 2020; 26:2626-2634. [PMID: 31765503 DOI: 10.1002/chem.201904756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/20/2019] [Indexed: 12/12/2022]
Abstract
The incarceration of o-benzyne and 27 other guest molecules within hemicarcerand 1, as reported experimentally by Warmuth, and Cram and co-workers, has been studied by density functional theory (DFT). The 1 H NMR chemical shifts, rotational mobility, and conformational preference of the guests within the supramolecular cage were determined, which showed intriguing correlations of the chemical shifts with structural parameters of the host-guest system. Furthermore, based on the computed chemical shifts reassignments of some NMR signals are proposed. This affects, in particular, the putative characterization of the volatile benzyne molecule inside a hemicarcerand, for which our CCSD(T) and KT2 results indicate that the experimentally observed signals are most likely not resulting from an isolated o-benzyne within the supramolecular host. Instead, it is shown that the guest reacted with an aromatic ring of the host, and this adduct is responsible for the experimentally observed signals.
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Affiliation(s)
- Abril C Castro
- Institut de Química Computacional i Catàlisi (IQCC), Departament de Química, Universitat de Girona, Campus de Montilivi, 17071, Girona, Spain
| | - Adrian Romero-Rivera
- Institut de Química Computacional i Catàlisi (IQCC), Departament de Química, Universitat de Girona, Campus de Montilivi, 17071, Girona, Spain
| | - Sílvia Osuna
- Institut de Química Computacional i Catàlisi (IQCC), Departament de Química, Universitat de Girona, Campus de Montilivi, 17071, Girona, Spain.,ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095-1569, USA
| | - Marcel Swart
- Institut de Química Computacional i Catàlisi (IQCC), Departament de Química, Universitat de Girona, Campus de Montilivi, 17071, Girona, Spain.,ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain
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28
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Werz DB, Biju AT. Uncovering the Neglected Similarities of Arynes and Donor-Acceptor Cyclopropanes. Angew Chem Int Ed Engl 2020; 59:3385-3398. [PMID: 31529661 PMCID: PMC7065169 DOI: 10.1002/anie.201909213] [Citation(s) in RCA: 164] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Indexed: 12/21/2022]
Abstract
Arynes and donor-acceptor (D-A) cyclopropanes are two classes of strained systems having the potential for numerous applications in organic synthesis. The last two decades have witnessed a renaissance of interest in the chemistry of these species primarily because of the mild and robust methods for their generation or activation. Commonly, arynes as easily polarizable systems result in 1,2-disubstitution, whereas D-A cyclopropanes as polarized systems lead to 1,3-bisfunctionalization thereby showing striking similarities. Transformations with 1,2- and 1,3-dipoles afford cyclic structures. With arynes, emerging four-membered rings as intermediates might react further, whereas the analogous five-membered rings obtained from D-A cyclopropanes are most often the final products. However, there are a few cases where these intermediates behave surprisingly differently. This Minireview highlights the parallels in reactivity between arynes and D-A cyclopropanes thereby shedding light on the neglected similarities of these two reactive species.
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Affiliation(s)
- Daniel B. Werz
- Technische Universität BraunschweigInstitut für Organische ChemieHagenring 3038106BraunschweigGermany
| | - Akkattu T. Biju
- Department of Organic ChemistryIndian Institute of ScienceBangalore560012India
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29
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Li Y, Qiu S, Fan L, Yin G. Cooperative Palladium and Copper Catalysis: One‐pot Synthesis of Diamino‐Substituted Naphthalenes from Aryl Halides, 1,4‐Bis(trimethylsilyl)butadiyne and Amines. ChemCatChem 2020. [DOI: 10.1002/cctc.201901745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yuan Li
- College of Chemistry and Chemical Engineering Hubei Key Laboratory of Pollutant Analysis and Reuse TechnologyHubei Normal University Huangshi 435002 P. R. China
| | - Shaozhong Qiu
- College of Chemistry and Chemical Engineering Hubei Key Laboratory of Pollutant Analysis and Reuse TechnologyHubei Normal University Huangshi 435002 P. R. China
| | - Ling Fan
- College of Chemistry and Chemical Engineering Hubei Key Laboratory of Pollutant Analysis and Reuse TechnologyHubei Normal University Huangshi 435002 P. R. China
| | - Guodong Yin
- College of Chemistry and Chemical Engineering Hubei Key Laboratory of Pollutant Analysis and Reuse TechnologyHubei Normal University Huangshi 435002 P. R. China
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30
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He J, Qiu D, Li Y. Strategies toward Aryne Multifunctionalization via 1,2-Benzdiyne and Benzyne. Acc Chem Res 2020; 53:508-519. [PMID: 31984723 DOI: 10.1021/acs.accounts.9b00608] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polysubstituted arenes are prevalent in numerous natural products, medicines, agrochemicals, and organic functional materials. Among methods to prepare polysubstituted arenes, pathways involving benzyne intermediates are particularly attractive given they can readily assemble highly diverse vicinal difunctionalized benzenes in a step-economical manner under transition-metal-free conditions. In order to incorporate more than two substituents on a benzene ring via a benzyne intermediate, methodologies involving benzdiyne and benztriyne have been developed, which significantly expand the current difunctionalization strategies in benzyne chemistry. In the past years, our group has been focusing on pushing the frontier of traditional benzyne chemistry and exploring new applications. In an aim to efficiently and conveniently construct polysubstituted arenes, we developed several aryne multifunctionalization strategies. The first strategy is through the 1,2-benzdiyne processes, which can be divided into a domino aryne approach and stepwise 1,2-benzdiyne approach. In our domino aryne study, we developed three domino aryne reagents as "sesquibenzyne" synthons, which are complementary in terms of reactivity and could adapt different modes of cascade transformations. By employing these domino aryne precursors, we were able to accomplish several cascade transformations, including double nucleophilic reactions, i.e., the reaction with carbonyl protected benzothioamides, 1,2-diamination, and 1,3-diamination. In addition, two cascade processes involving nucleophilic and pericyclic reactions, namely, domino aryne annulation via nucleophilic-ene cascade and domino aryne nucleophilic, Diels-Alder process, were successfully achieved as well. Meanwhile, with our desire to expand the scope of 1,2-benzdiyne transformations, we employed stepwise 1,2-benzdiyne tactics to access polysubstituted arenes. Depending on the property of the substituent on the C3-position of a benzyne intermediate, either an electron-withdrawing or electron-donating group, the incoming ortho groups were chosen accordingly. Consequently, we realized a [2 + 2] cycloaddition-Grob fragmentation process using 3-triflyloxybenzyne and a 1,2-benzdiyne process using 3-(trimethylsilyl)benzyne. Our second research strategy is to use single benzyne to access trisubstituted arenes, which represents a more atom- and step-economical protocol. With our deliberate design, we discovered a tandem benzyne S═O bond insertion/C-H functionalization process using single benzyne and aryl allyl sulfoxides, furnishing three chemical bonds of different types in a single process. This transformation is the first 1,2,3-trisubstitution example using single benzyne intermediate. At last, we developed an oxidative dearomatization strategy on Kobayashi benzyne precursors, which led to the preparation of various cyclohexenynone precursors with diverse substituents in highly efficient manner. In this study, we also demonstrated a new reaction mode of these cyclohexenynones with allyl sulfoxides, which involves a deeper utilization of the cyclohexyne triple bond. This work is the first example of successful connection of precursors of benzyne with cyclohexyne together, revealing a new research direction in the field of cyclohexyne.
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Affiliation(s)
- Jia He
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China 400030
| | - Dachuan Qiu
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China 400030
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China 400030
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31
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Yao L, Hu Q, Lei Y, Bao L, Hu Y. C–O/C–S difunctionalized benzene derivatives via multicomponent coupling of tetraynes. Org Chem Front 2020. [DOI: 10.1039/d0qo00967a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C–O/C–S difunctionalization of fused highly substituted benzene derivatives was conducted via the multicomponent coupling reaction of tetraynes, sulfoxides, and cyclopropenones.
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Affiliation(s)
- Liangliang Yao
- Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Key Laboratory of Molecular-Based Materials
- School of Chemistry and Materials Science
- Anhui Normal University
| | - Qiong Hu
- Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Key Laboratory of Molecular-Based Materials
- School of Chemistry and Materials Science
- Anhui Normal University
| | - Yu Lei
- Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Key Laboratory of Molecular-Based Materials
- School of Chemistry and Materials Science
- Anhui Normal University
| | - Li Bao
- Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Key Laboratory of Molecular-Based Materials
- School of Chemistry and Materials Science
- Anhui Normal University
| | - Yimin Hu
- Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Key Laboratory of Molecular-Based Materials
- School of Chemistry and Materials Science
- Anhui Normal University
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32
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He J, Jia Z, Tan H, Luo X, Qiu D, Shi J, Xu H, Li Y. Arene Trifunctionalization with Highly Fused Ring Systems through a Domino Aryne Nucleophilic and Diels–Alder Cascade. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911730] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jia He
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Zizi Jia
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Hongcheng Tan
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Xiaohua Luo
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Dachuan Qiu
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Jiarong Shi
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Hai Xu
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Yang Li
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
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33
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Werz DB, Biju AT. Über bislang nicht beachtete Parallelen in der Reaktivität von Arinen und Donor‐Akzeptor‐Cyclopropanen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909213] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Daniel B. Werz
- Technische Universität BraunschweigInstitut für Organische Chemie Hagenring 30 38106 Braunschweig Deutschland
| | - Akkattu T. Biju
- Department of Organic ChemistryIndian Institute of Science Bangalore 560012 Indien
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34
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He J, Jia Z, Tan H, Luo X, Qiu D, Shi J, Xu H, Li Y. Arene Trifunctionalization with Highly Fused Ring Systems through a Domino Aryne Nucleophilic and Diels–Alder Cascade. Angew Chem Int Ed Engl 2019; 58:18513-18518. [DOI: 10.1002/anie.201911730] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Indexed: 12/25/2022]
Affiliation(s)
- Jia He
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Zizi Jia
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Hongcheng Tan
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Xiaohua Luo
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Dachuan Qiu
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Jiarong Shi
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Hai Xu
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
| | - Yang Li
- School of Chemistry and Chemical EngineeringChongqing University 174 Shazheng St. Chongqing 400030 P. R. China
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35
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Nakamura Y, Ozawa S, Yoshida S, Hosoya T. Facile Synthesis of Diverse 2,6-Disubstituted Arylsilanes via Silylamination and Silylsulfanylation of Aryne Intermediates Generated from o-Iodoaryl Triflates. CHEM LETT 2019. [DOI: 10.1246/cl.190573] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yu Nakamura
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Saki Ozawa
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
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