1
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Rao WH, Li YG, Jiang LL, Li Q, Zou GD, Cao X. Metal-Free Selective Ortho-C-H Amidation of Hypervalent(III) Iodobezenes with N-Methoxy Amides under Mild Conditions. J Org Chem 2023; 88:13825-13837. [PMID: 37737590 DOI: 10.1021/acs.joc.3c01472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
A metal-free selective ortho-C-H amidation of aryl iodines(III) with the use of N-methoxy amides as aminating reagents under mild conditions is described here. In the protocol, excellent chemoselectivity and high regioselectivity were obtained. Notably, the iodine substituent rendered the amidation product suitable to be used for further elaboration.
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Affiliation(s)
- Wei-Hao Rao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan 430062, China
| | - Ying-Ge Li
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Li-Li Jiang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Qi Li
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Guo-Dong Zou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Xinhua Cao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
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2
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Liang Y, Peng B. Revisiting Aromatic Claisen Rearrangement Using Unstable Aryl Sulfonium/Iodonium Species: The Strategy of Breaking Up the Whole into Parts. Acc Chem Res 2022; 55:2103-2122. [PMID: 35861672 DOI: 10.1021/acs.accounts.2c00263] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
ConspectusSince Ludwig Claisen's discovery of the sigmatropic rearrangement of allyl aryl ethers in 1912, aromatic Claisen rearrangement has continuously attracted the attention of both experimental and theoretical chemists. Over more than a century of growth, this protocol has proven to be a practical and powerful synthetic tool in many aspects. However, the reaction scope has long been limited to aryl ethers and their S or N analogs until the serendipitous discovery of aromatic iodonium-Claisen rearrangement by Oh et al. in 1988 and the development of aromatic sulfonium-Claisen rearrangement by Kita et al. in 2004. Unlike traditional Claisen rearrangements, these hypervalent-bonding-based Claisen-type rearrangements can be performed by simply mixing electrophilically activated aryl sulfoxides/iodanes with certain nucleophiles to directly deliver rearrangement products. In addition to the simple operation, remarkable features, such as readily available substrates, valuable products and intriguing rearrangement patterns, have led to a dramatic resurgence of this rearrangement chemistry.In this Account, we summarize our recent works on developing new aromatic rearrangement modes using sulfonium/iodonium reagents. Interestingly, the program started with an accidental discovery that aryl sulfoxides could be coupled with alkyl nitriles in the presence of Tf2O and base. Mechanistic studies reveal that the reaction proceeds in three major steps, including the Tf2O-triggered assembly of both coupling partners, base-promoted deprotonation of in situ-generated aryl sulfonium-imine species leading to a key rearrangement precursor called aryl sulfonium-ketenimine species, and subsequent facile and rapid [3,3]-rearrangement. On the basis of the mechanistic underpinning, we divided the one-step operation into two steps called the "assembly/deprotonation" protocol for constructing unstable rearrangement precursors. Most notably, the switch from the commonly used one-step to mechanism-based multiple-step manipulation, which can be termed "breaking up the whole into parts", not only enables the independent control of each step of the reaction, thus significantly expanding the accessible synthetic scope, but also raises opportunities for developing new rearrangement patterns. For example, the "assembly/deprotonation" protocol has also been applied to the development of [5,5]-rearrangement of aryl sulfoxides and the asymmetric rearrangement of aryl iodanes, thus enabling the unprecedented regio- and stereocontrol of the rearrangement process. Furthermore, the "breaking up the whole into parts" thinking triggered us to merge the Morita-Baylis-Hillman (MBH) reaction into the rearrangement process to accomplish Z-selective MBH-type [3,3]-rearrangement of α,β-unsaturated nitriles and E-selective MBH-type [3,3]-rearrangement of α,β-unsaturated 2-oxazolines, which expands the scope of rearrangement partners to include α,β-unsaturated carbonyls. In addition, the impressive rapidity of the rearrangement process found in our initial discovery has also been recognized as a congestion-acceleration effect, which was further utilized to forge the rapid ortho-cyanoalkylative rearrangement of aryl iodanes, and thus leading to the first dearomatization of aryl iodanes. We anticipate that our protocols and ideas behind the methods will be complementary to the traditional thinking of the aromatic Claisen rearrangement.
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Affiliation(s)
- Yuchen Liang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, 688 Yingbin Road, Jinhua321004, China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, 688 Yingbin Road, Jinhua321004, China
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3
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Huang LL, Lin PP, Li YX, Feng SX, Tu FH, Yang S, Zhao GY, Huang ZS, Wang H, Li Q. Oxidative Fluoroarylation of Benzylidenecyclopropanes with HF·Py and Aryl Iodides via Iodonio-[3,3]-Rearrangement. Org Lett 2022; 24:3389-3394. [PMID: 35486481 DOI: 10.1021/acs.orglett.2c01150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Reported herein is an in situ-generated hypervalent iodine-incorporating fluoroarylation of benzylidenecyclopropanes using commercially available HF·Py and aryl iodides as fluorine and aryl sources, respectively. The reaction proceeds via regioselective 1,2-fluoroiodination of a double bond followed by an iodonio-[3,3]-rearrangement of the formed cyclopropyl-I(III) species. The protocol offers facile access to valuable monofluorinated 1,1-bis-benzyl-alkenes with mild reaction conditions and moderate to good yields. The synthetic utility of the products was demonstrated by further transformations. Preliminary mechanistic studies were conducted.
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Affiliation(s)
- Long-Ling Huang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Peng-Peng Lin
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Yu-Xin Li
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Si-Xin Feng
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Fang-Hai Tu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Shuang Yang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Gui-Yang Zhao
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Zhi-Shu Huang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Honggen Wang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Qingjiang Li
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, P. R. China
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4
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Chen WW, Fernández NP, Baranda MD, Cunillera A, Rodríguez LG, Shafir A, Cuenca AB. Exploring benzylic gem-C(sp 3)-boron-silicon and boron-tin centers as a synthetic platform. Chem Sci 2021; 12:10514-10521. [PMID: 34447544 PMCID: PMC8356736 DOI: 10.1039/d1sc01741a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 06/28/2021] [Indexed: 01/31/2023] Open
Abstract
A stepwise build-up of multi-substituted Csp3 carbon centers is an attractive, conceptually simple, but often synthetically challenging type of disconnection. To this end, this report describes how gem-α,α-dimetalloid-substituted benzylic reagents bearing boron/silicon or boron/tin substituent sets are an excellent stepping stone towards diverse substitution patterns. These gem-dimetalloids were readily accessed, either by known carbenoid insertion into C-B bonds or by the newly developed scalable deprotonation/metallation approach. Highly chemoselective transformations of either the C-Si (or C-Sn) or the C-B bonds in the newly formed gem-Csp3 centers have been achieved through a set of approaches, with a particular focus on exploiting the synthetically versatile polarity reversal in organometalloids by λ3-aryliodanes. Of particular note is the metal-free arylation of the C-Si (or C-Sn) bonds in such gem-dimetalloids via the iodane-guided C-H coupling approach. DFT calculations show that this transfer of the (α-Bpin)benzyl group proceeds via unusual [5,5]-sigmatropic rearrangement and is driven by the high-energy iodine(iii) center. As a complementary tool, the gem-dimetalloid C-B bond is shown to undergo a potent and chemoselective Suzuki-Miyaura arylation with diverse Ar-Cl, thanks to the development of the reactive gem-α,α-silyl/BF3K building blocks.
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Affiliation(s)
- Wei W Chen
- Department of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, URL Vía Augusta 390 Barcelona 08017 Spain
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia, IQAC-CSIC c/ Jordi Girona 20 Barcelona 08034 Spain
| | - Nahiane Pipaon Fernández
- Department of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, URL Vía Augusta 390 Barcelona 08017 Spain
| | - Marta Díaz Baranda
- Department of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, URL Vía Augusta 390 Barcelona 08017 Spain
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia, IQAC-CSIC c/ Jordi Girona 20 Barcelona 08034 Spain
| | - Anton Cunillera
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia, IQAC-CSIC c/ Jordi Girona 20 Barcelona 08034 Spain
| | - Laura G Rodríguez
- Department of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, URL Vía Augusta 390 Barcelona 08017 Spain
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia, IQAC-CSIC c/ Jordi Girona 20 Barcelona 08034 Spain
| | - Alexandr Shafir
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia, IQAC-CSIC c/ Jordi Girona 20 Barcelona 08034 Spain
| | - Ana B Cuenca
- Department of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, URL Vía Augusta 390 Barcelona 08017 Spain
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5
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Zhang L, Bao W, Liang Y, Pan W, Li D, Kong L, Wang ZX, Peng B. Morita-Baylis-Hillman-Type [3,3]-Rearrangement: Switching from Z- to E-Selective α-Arylation by New Rearrangement Partners. Angew Chem Int Ed Engl 2021; 60:11414-11422. [PMID: 33644970 DOI: 10.1002/anie.202100497] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/25/2021] [Indexed: 01/03/2023]
Abstract
α-aryl α,β-unsaturated carbonyls represent an important class of derivatizable synthetic intermediates, however, the synthesis of such compounds still remains a challenge. Recently, we showcased a novel Z-selective α-arylation of α,β-unsaturated nitriles with aryl sulfoxides via [3,3]-rearrangement involving an Morita-Baylis-Hillman (MBH) process. Herein, we demonstrate the feasibility of reversing the stereoselectivity of such MBH-type [3,3]-rearrangement by switching to a new pair of rearrangement partners consisting of aryl iodanes and α,β-unsaturated oxazolines. As a result, the two protocols complement each other in approaching E- or Z-α-aryl α,β-unsaturated carbonyl derivatives. Mechanistic studies reveal a possible reaction pathway and provide an explanation for the opposite stereoselectivities.
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Affiliation(s)
- Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
| | - Wangzhen Bao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
| | - Yuchen Liang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenjing Pan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
| | - Dongyang Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, China
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6
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Zhang L, Bao W, Liang Y, Pan W, Li D, Kong L, Wang Z, Peng B. Morita–Baylis–Hillman‐Type [3,3]‐Rearrangement: Switching from
Z
‐ to
E
‐Selective α‐Arylation by New Rearrangement Partners. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100497] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
| | - Wangzhen Bao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
| | - Yuchen Liang
- School of Chemical Sciences University of the Chinese Academy of Sciences Beijing 100049 China
| | - Wenjing Pan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
| | - Dongyang Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
| | - Zhi‐Xiang Wang
- School of Chemical Sciences University of the Chinese Academy of Sciences Beijing 100049 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Normal University Jinhua 321004 China
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7
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Matsunaga S, Nakano A, Okabe Y, Matsuoka K, Komami N, Watanabe K, Kojima M, Yoshino T. Generation of Monoaryl-λ3-iodanes from Arylboron Compounds through ipso-Substitution. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)45] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Zhang B, Li X, Guo B, Du Y. Hypervalent iodine reagent-mediated reactions involving rearrangement processes. Chem Commun (Camb) 2020; 56:14119-14136. [PMID: 33140751 DOI: 10.1039/d0cc05354f] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hypervalent iodine reagents have been extensively employed in various types of oxidative organic reactions including oxidative coupling/cyclization, bifunctionalization of olefins and cyclopropane, C-H functionalization, and oxidative rearrangement reactions. In this review, the developments of the exclusive hypervalent iodine-mediated reactions involving oxidative rearrangement processes, including [1,2]-migration, Hofmann rearrangement, Beckmann rearrangement, ring contraction, ring expansion, [3,3]-sigmatropic/iodonium-Claisen rearrangement and some miscellaneous rearrangements, have been summarized.
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Affiliation(s)
- Beibei Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China.
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9
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Chen WW, Cunillera A, Chen D, Lethu S, López de Moragas A, Zhu J, Solà M, Cuenca AB, Shafir A. Iodane-Guided ortho C-H Allylation. Angew Chem Int Ed Engl 2020; 59:20201-20207. [PMID: 32721056 DOI: 10.1002/anie.202009369] [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: 07/13/2020] [Indexed: 01/05/2023]
Abstract
A metal-free C-H allylation strategy is described to access diverse functionalized ortho-allyl-iodoarenes. The method employs hypervalent (diacetoxy)iodoarenes and proceeds through the iodane-guided "iodonio-Claisen" allyl transfer. The use of allylsilanes bearing electron-withdrawing functional groups unlocks the functionalization of a broad range of substrates, including electron-neutral and electron-poor rings. The resulting ortho-allylated iodoarenes are versatile building blocks, with examples of downstream transformation including a concise synthesis of the experimental antimitotic core of Dosabulin. DFT calculations shed additional light on the reaction mechanism, with notable aspects including the aromatic character of the transition-state structure for the [3,3] sigmatropic rearrangement, as well as the highly stereoconvergent nature of the trans-product formation.
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Affiliation(s)
- Wei W Chen
- Dept. of Biological Chemistry, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), c/Jordi Girona 18-26, 08034, Barcelona, Spain.,Dept. of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017, Barcelona, Spain
| | - Anton Cunillera
- Dept. of Biological Chemistry, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), c/Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Dandan Chen
- Institute of Computational Chemistry and Catalysis and Department of Chemistry, University of Girona, C/ M. Aurèlia Capmany, 69, 17003, Girona, Catalonia, Spain.,State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Sébastien Lethu
- Institute of Chemical Research of Catalonia, BIST, Avda. Països Catalans 16, 43007, Tarragona, Spain
| | - Albert López de Moragas
- Dept. of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017, Barcelona, Spain
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Miquel Solà
- Institute of Computational Chemistry and Catalysis and Department of Chemistry, University of Girona, C/ M. Aurèlia Capmany, 69, 17003, Girona, Catalonia, Spain
| | - Ana B Cuenca
- Dept. of Organic and Pharmaceutical Chemistry, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017, Barcelona, Spain
| | - Alexandr Shafir
- Dept. of Biological Chemistry, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), c/Jordi Girona 18-26, 08034, Barcelona, Spain
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10
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Declas N, Waser J. Access to Vinyl Ethers and Ketones with Hypervalent Iodine Reagents as Oxy‐Allyl Cation Synthetic Equivalents. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006707] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Nina Declas
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne, EPFL, SB ISIC LCSO, BCH 4306 1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne, EPFL, SB ISIC LCSO, BCH 4306 1015 Lausanne Switzerland
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11
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Declas N, Waser J. Access to Vinyl Ethers and Ketones with Hypervalent Iodine Reagents as Oxy-Allyl Cation Synthetic Equivalents. Angew Chem Int Ed Engl 2020; 59:18256-18260. [PMID: 32542955 DOI: 10.1002/anie.202006707] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/08/2020] [Indexed: 12/18/2022]
Abstract
We report an Umpolung strategy of enol ethers to generate oxy-allyl cation equivalents based on the use of hypervalent iodine reagents. Under mild basic conditions, the addition of nucleophiles to aryloxy-substituted vinylbenziodoxolone (VBX) reagents, easily available in two steps from silyl alkynes, resulted in the stereoselective formation of substituted aryl enol ethers. The reaction was most efficient with phenols as nucleophiles, but preliminary results were also achieved for C- and N- nucleophiles. In absence of external nucleophiles, the 2-iodobenzoate group of the reagent was transferred. The obtained aryl enol ethers could then be transformed into α-difunctionalized ketones by oxidation. The described "allyl cation"-like reactivity contrast with the well-established "vinyl-cation" behavior of alkenyl iodonium salts.
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Affiliation(s)
- Nina Declas
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL, SB ISIC LCSO, BCH 4306, 1015, Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL, SB ISIC LCSO, BCH 4306, 1015, Lausanne, Switzerland
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12
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Chen WW, Cunillera A, Chen D, Lethu S, López de Moragas A, Zhu J, Solà M, Cuenca AB, Shafir A. Iodane‐Guided
ortho
C−H Allylation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009369] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wei W. Chen
- Dept. of Biological Chemistry Centro de Innovación en Química Avanzada (ORFEO-CINQA) Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
- Dept. of Organic and Pharmaceutical Chemistry Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Anton Cunillera
- Dept. of Biological Chemistry Centro de Innovación en Química Avanzada (ORFEO-CINQA) Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
| | - Dandan Chen
- Institute of Computational Chemistry and Catalysis and Department of Chemistry University of Girona C/ M. Aurèlia Capmany, 69 17003 Girona Catalonia Spain
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Sébastien Lethu
- Institute of Chemical Research of Catalonia BIST Avda. Països Catalans 16 43007 Tarragona Spain
| | - Albert López de Moragas
- Dept. of Organic and Pharmaceutical Chemistry Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Miquel Solà
- Institute of Computational Chemistry and Catalysis and Department of Chemistry University of Girona C/ M. Aurèlia Capmany, 69 17003 Girona Catalonia Spain
| | - Ana B. Cuenca
- Dept. of Organic and Pharmaceutical Chemistry Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Alexandr Shafir
- Dept. of Biological Chemistry Centro de Innovación en Química Avanzada (ORFEO-CINQA) Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
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13
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Chen WW, Cuenca AB, Shafir A. The Power of Iodane‐Guided C−H Coupling: A Group‐Transfer Strategy in Which a Halogen Works for Its Money. Angew Chem Int Ed Engl 2020; 59:16294-16309. [DOI: 10.1002/anie.201908418] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/27/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Wei W. Chen
- Dept. of Biological Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA) Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
- Dept. of Organic and Pharmaceutical Chemistry Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Ana B. Cuenca
- Dept. of Organic and Pharmaceutical Chemistry Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Alexandr Shafir
- Dept. of Biological Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA) Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
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14
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Chen WW, Cuenca AB, Shafir A. The Power of Iodane‐Guided C−H Coupling: A Group‐Transfer Strategy in Which a Halogen Works for Its Money. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201908418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wei W. Chen
- Dept. of Biological Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
- Dept. of Organic and Pharmaceutical ChemistryInstitut Químic de SarriàUniversitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Ana B. Cuenca
- Dept. of Organic and Pharmaceutical ChemistryInstitut Químic de SarriàUniversitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Alexandr Shafir
- Dept. of Biological Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) c/Jordi Girona 18–26 08034 Barcelona Spain
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15
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para
-Selective Benzylation of Aryl Iodides by the in situ Preparation of ArIF2
: a Hypervalent Iodine-Guided Electrophilic Substitution. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000393] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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16
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Tian J, Luo F, Zhang Q, Liang Y, Li D, Zhan Y, Kong L, Wang ZX, Peng B. Asymmetric Iodonio-[3,3]-Sigmatropic Rearrangement to Access Chiral α-Aryl Carbonyl Compounds. J Am Chem Soc 2020; 142:6884-6890. [DOI: 10.1021/jacs.0c00783] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Junsong Tian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Fan Luo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Qifeng Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Yuchen Liang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Dongyang Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Yaling Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China
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17
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Zhu G, Ma L, Zhang K, Zhou Z, Song H, Yi W. Cascade Reductive Rearrangement for the Stereoselective Synthesis of Multifunctional Piperidinones: A Combined Experimental and Computational Study. ChemistrySelect 2020. [DOI: 10.1002/slct.201904106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Guoxun Zhu
- School of Chemical Engineering and TechnologySun Yat-sen University 135 Xin Gang West Road Guangzhou 510275 P.R. China
| | - Lei Ma
- Key Laboratory of Molecular Target and Clinical Pharmacology & the State Key Laboratory of Respiratory DiseaseSchool of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong 511436 P. R. China
| | - Kaixin Zhang
- School of Chemical Engineering and TechnologySun Yat-sen University 135 Xin Gang West Road Guangzhou 510275 P.R. China
| | - Zhi Zhou
- Key Laboratory of Molecular Target and Clinical Pharmacology & the State Key Laboratory of Respiratory DiseaseSchool of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong 511436 P. R. China
| | - Huacan Song
- School of Chemical Engineering and TechnologySun Yat-sen University 135 Xin Gang West Road Guangzhou 510275 P.R. China
| | - Wei Yi
- School of Chemical Engineering and TechnologySun Yat-sen University 135 Xin Gang West Road Guangzhou 510275 P.R. China
- Key Laboratory of Molecular Target and Clinical Pharmacology & the State Key Laboratory of Respiratory DiseaseSchool of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong 511436 P. R. China
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18
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Zhao W, Huang X, Zhan Y, Zhang Q, Li D, Zhang Y, Kong L, Peng B. Dearomative Dual Functionalization of Aryl Iodanes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Weizhao Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yaling Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Qifeng Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Dongyang Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
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19
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Zhao W, Huang X, Zhan Y, Zhang Q, Li D, Zhang Y, Kong L, Peng B. Dearomative Dual Functionalization of Aryl Iodanes. Angew Chem Int Ed Engl 2019; 58:17210-17214. [DOI: 10.1002/anie.201909019] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Weizhao Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yaling Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Qifeng Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Dongyang Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
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20
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Zhou DJ, Zhai YY, Meng LP, Song WW, Liu X, Yin SQ. Efficient Synthesis of Diacetoxyiodoarenes via Intramolecular Rearrangement. LETT ORG CHEM 2019. [DOI: 10.2174/1570178616666181203142445] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study introduces a concise and efficient method for preparing diacetoxyiodoarenes
from the corresponding iodoarenes. In the presence of acetic anhydride, iodoarenes were oxidized to
diacetoxyiodoarenes by sodium perborate in acetic acid under argon protection at 55°C in ideal yields.
Through this method, 10 diacetoxyiodoarenes were obtained smoothly.
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Affiliation(s)
- De-Jun Zhou
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
| | - Yang-Yang Zhai
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
| | - Ling-Pu Meng
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
| | - Wei-Wei Song
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
| | - Xiao Liu
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
| | - Shu-Qiang Yin
- Medical School, Henan polytechnic University, Jiaozuo, 454000, Henan Province, China
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21
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Matsuoka K, Komami N, Kojima M, Yoshino T, Matsunaga S. Synthesis of Heteroaryl Iodanes(III) viaipso‐Substitution Reactions Using Iodine Triacetate Assisted by HFIP. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900200] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keitaro Matsuoka
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Narumi Komami
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
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22
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Huang X, Zhang Y, Zhang C, Zhang L, Xu Y, Kong L, Wang Z, Peng B. The
ortho
‐Difluoroalkylation of Aryliodanes with Enol Silyl Ethers: Rearrangement Enabled by a Fluorine Effect. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900745] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Chaoshen Zhang
- School of Chemical SciencesUniversity of the Chinese Academy of Sciences Beijing 100049 China
| | - Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Ying Xu
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Zhi‐Xiang Wang
- School of Chemical SciencesUniversity of the Chinese Academy of Sciences Beijing 100049 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
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23
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Huang X, Zhang Y, Zhang C, Zhang L, Xu Y, Kong L, Wang Z, Peng B. The
ortho
‐Difluoroalkylation of Aryliodanes with Enol Silyl Ethers: Rearrangement Enabled by a Fluorine Effect. Angew Chem Int Ed Engl 2019; 58:5956-5961. [DOI: 10.1002/anie.201900745] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 02/15/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Chaoshen Zhang
- School of Chemical SciencesUniversity of the Chinese Academy of Sciences Beijing 100049 China
| | - Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Ying Xu
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
| | - Zhi‐Xiang Wang
- School of Chemical SciencesUniversity of the Chinese Academy of Sciences Beijing 100049 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsZhejiang Normal University Jinhua 321004 China
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24
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Wu Y, Bouvet S, Izquierdo S, Shafir A. Synthesis of Polysubstituted Iodoarenes Enabled by Iterative Iodine-Directed para and ortho C-H Functionalization. Angew Chem Int Ed Engl 2019; 58:2617-2621. [PMID: 30496639 DOI: 10.1002/anie.201809657] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 11/08/2018] [Indexed: 01/14/2023]
Abstract
Among halogenated aromatics, iodoarenes are unique in their ability to produce the bench-stable halogen(III) form. Earlier, such iodine(III) centers were shown to enable C-H functionalization ortho to iodine via halogen-centered rearrangement. The broader implications of this phenomenon are explored by testing the extent of an unusual iodane-directed para C-H benzylation, as well as by developing an efficient C-H coupling with sulfonyl-substituted allylic silanes. Through the combination of the one-shot nature of the coupling event and the iodine retention, multisubstituted arenes can be prepared by sequentially engaging up to three aromatic C-H sites. This type of iodine-based iterative synthesis will serve as a tool for the formation of value-added aromatic cores.
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Affiliation(s)
- Yichen Wu
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Avda. Països Catalans 16, 43007, Tarragona, Spain
| | - Sébastien Bouvet
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Avda. Països Catalans 16, 43007, Tarragona, Spain
| | - Susana Izquierdo
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Avda. Països Catalans 16, 43007, Tarragona, Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Avda. Països Catalans 16, 43007, Tarragona, Spain.,Dept. of Biological Chemistry, IQAC-CSIC, c/Jordi Girona 18-26, 08034, Barcelona, Spain
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25
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Hyatt IFD, Dave L, David N, Kaur K, Medard M, Mowdawalla C. Hypervalent iodine reactions utilized in carbon–carbon bond formations. Org Biomol Chem 2019; 17:7822-7848. [DOI: 10.1039/c9ob01267b] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
This review covers recent developments of hypervalent iodine chemistry in dearomatizations, radicals, hypervalent iodine-guided electrophilic substitution, arylations, photoredox, and more.
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Affiliation(s)
| | - Loma Dave
- Department of Chemistry and Biochemistry
- Adelphi University
- Garden City
- USA
| | - Navindra David
- Department of Chemistry and Biochemistry
- Adelphi University
- Garden City
- USA
| | - Kirandeep Kaur
- Department of Chemistry and Biochemistry
- Adelphi University
- Garden City
- USA
| | - Marly Medard
- Department of Chemistry and Biochemistry
- Adelphi University
- Garden City
- USA
| | - Cyrus Mowdawalla
- Department of Chemistry and Biochemistry
- Adelphi University
- Garden City
- USA
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26
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Wu Y, Bouvet S, Izquierdo S, Shafir A. Synthesis of Polysubstituted Iodoarenes Enabled by Iterative Iodine‐Directed
para
and
ortho
C−H Functionalization. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809657] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yichen Wu
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology Avda. Països Catalans 16 43007 Tarragona Spain
| | - Sébastien Bouvet
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology Avda. Països Catalans 16 43007 Tarragona Spain
| | - Susana Izquierdo
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology Avda. Països Catalans 16 43007 Tarragona Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology Avda. Països Catalans 16 43007 Tarragona Spain
- Dept. of Biological ChemistryIQAC-CSIC c/Jordi Girona 18–26 08034 Barcelona Spain
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27
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Komami N, Matsuoka K, Nakano A, Kojima M, Yoshino T, Matsunaga S. Synthesis of Functionalized Monoaryl-λ3
-iodanes through Chemo- and Site-Selective ipso
-Substitution Reactions. Chemistry 2018; 25:1217-1220. [DOI: 10.1002/chem.201805970] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Narumi Komami
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Keitaro Matsuoka
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Ayako Nakano
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
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28
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Izquierdo S, Bouvet S, Wu Y, Molina S, Shafir A. The Coming of Age in Iodane‐Guided
ortho
‐C−H Propargylation: From Insight to Synthetic Potential. Chemistry 2018; 24:15517-15521. [DOI: 10.1002/chem.201804058] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Susana Izquierdo
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Sébastien Bouvet
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Yichen Wu
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Sonia Molina
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
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29
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Mowdawalla C, Ahmed F, Li T, Pham K, Dave L, Kim G, Hyatt IFD. Hypervalent iodine-guided electrophilic substitution: para-selective substitution across aryl iodonium compounds with benzyl groups. Beilstein J Org Chem 2018; 14:1039-1045. [PMID: 29977377 PMCID: PMC6009249 DOI: 10.3762/bjoc.14.91] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 04/25/2018] [Indexed: 11/23/2022] Open
Abstract
The reactivity of benzyl hypervalent iodine intermediates was explored in congruence with the reductive iodonio-Claisen rearrangement (RICR) to show that there may be an underlying mechanism which expands the reasoning behind the previously known C–C bond-forming reaction. By rationalizing the hypervalent iodine’s metal-like properties it was concluded that a transmetallation mechanism could be occurring with metalloid groups such as silicon and boron. Hypervalent iodine reagents such as Zefirov’s reagent, cyclic iodonium reagents, iodosobenzene/BF3, and PhI(OAc)2/BF3 or triflate-based activators were tested. A desirable facet of the reported reaction is that iodine(I) is incorporated into the product thus providing greater atom economy and a valuable functional group handle for further transformations. The altering of the RICR’s ortho-selectivity to form para-selective products with benzyl hypervalent iodine intermediates suggests a mechanism that involves hypervalent iodine-guided electrophilic substitution (HIGES).
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Affiliation(s)
- Cyrus Mowdawalla
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - Faiz Ahmed
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - Tian Li
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - Kiet Pham
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - Loma Dave
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - Grace Kim
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
| | - I F Dempsey Hyatt
- Department of Chemistry and Biochemistry, Adelphi University, 1 South Ave., Garden City, NY, 11530, USA
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30
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Selective ortho
C−H Cyanoalkylation of (Diacetoxyiodo)arenes through [3,3]-Sigmatropic Rearrangement. Angew Chem Int Ed Engl 2018; 57:9078-9082. [DOI: 10.1002/anie.201803455] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/07/2017] [Indexed: 01/08/2023]
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31
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Tian J, Luo F, Zhang C, Huang X, Zhang Y, Zhang L, Kong L, Hu X, Wang ZX, Peng B. Selective ortho
C−H Cyanoalkylation of (Diacetoxyiodo)arenes through [3,3]-Sigmatropic Rearrangement. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803455] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Junsong Tian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Fan Luo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Chaoshen Zhang
- School of Chemistry and Chemical Engineering; University of the Chinese Academy of Sciences; Beijing 100049 China
| | - Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Xiaochun Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Zhi-Xiang Wang
- School of Chemistry and Chemical Engineering; University of the Chinese Academy of Sciences; Beijing 100049 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
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32
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Hori M, Guo JD, Yanagi T, Nogi K, Sasamori T, Yorimitsu H. Sigmatropic Rearrangements of Hypervalent-Iodine-Tethered Intermediates for the Synthesis of Biaryls. Angew Chem Int Ed Engl 2018; 57:4663-4667. [PMID: 29451348 DOI: 10.1002/anie.201801132] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Indexed: 12/18/2022]
Abstract
Metal-free dehydrogenative couplings of aryliodanes with phenols to afford 2-hydroxy-2'-iodobiaryls have been developed. This reaction proceeds through ligand exchange on the hypervalent iodine atom followed by a [3,3] sigmatropic rearrangement and with complete regioselectivity. This coupling, in combination with in situ oxidation by mCPBA, enables the convenient conversion of iodoarenes into desirable biaryls. The obtained biaryls have convertible iodo and hydroxy groups in close proximity, and are thus synthetically useful, as exemplified by the controlled syntheses of π-extended furans and a substituted [5]helicene. DFT calculations clearly revealed that the rearrangement is sigmatropic, with C-C bond formation and I-O bond cleavage proceeding in a concerted manner. Acetic acid, which was found to be the best solvent for this protocol, renders the iodine atom more cationic and thus accelerates the sigmatropic rearrangement.
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Affiliation(s)
- Mitsuki Hori
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Jing-Dong Guo
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Tomoyuki Yanagi
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Keisuke Nogi
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Takahiro Sasamori
- Graduate School of Natural Sciences, Nagoya City University, Yamanohata 1, Mizuho-cho, Mizuho-ku, Nagoya, Aichi, 467-8501, Japan
| | - Hideki Yorimitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
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33
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Hori M, Guo J, Yanagi T, Nogi K, Sasamori T, Yorimitsu H. Sigmatropic Rearrangements of Hypervalent‐Iodine‐Tethered Intermediates for the Synthesis of Biaryls. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801132] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mitsuki Hori
- Department of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Jing‐Dong Guo
- Institute for Chemical Research Kyoto University Gokasho, Uji Kyoto 611-0011 Japan
| | - Tomoyuki Yanagi
- Department of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Keisuke Nogi
- Department of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Takahiro Sasamori
- Graduate School of Natural Sciences Nagoya City University Yamanohata 1, Mizuho-cho, Mizuho-ku, Nagoya Aichi 467-8501 Japan
| | - Hideki Yorimitsu
- Department of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
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Shafir A. The emergence of sulfoxide and iodonio-based redox arylation as a synthetic tool. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.013] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
The preparation, structure, and chemistry of hypervalent iodine compounds are reviewed with emphasis on their synthetic application. Compounds of iodine possess reactivity similar to that of transition metals, but have the advantage of environmental sustainability and efficient utilization of natural resources. These compounds are widely used in organic synthesis as selective oxidants and environmentally friendly reagents. Synthetic uses of hypervalent iodine reagents in halogenation reactions, various oxidations, rearrangements, aminations, C-C bond-forming reactions, and transition metal-catalyzed reactions are summarized and discussed. Recent discovery of hypervalent catalytic systems and recyclable reagents, and the development of new enantioselective reactions using chiral hypervalent iodine compounds represent a particularly important achievement in the field of hypervalent iodine chemistry. One of the goals of this Review is to attract the attention of the scientific community as to the benefits of using hypervalent iodine compounds as an environmentally sustainable alternative to heavy metals.
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Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
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Wu Y, Arenas I, Broomfield LM, Martin E, Shafir A. Hypervalent Activation as a Key Step for Dehydrogenative ortho
CC Coupling of Iodoarenes. Chemistry 2015; 21:18779-84. [DOI: 10.1002/chem.201503987] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Indexed: 11/10/2022]
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Rearrangements Induced by Hypervalent Iodine. HYPERVALENT IODINE CHEMISTRY 2015; 373:223-41. [DOI: 10.1007/128_2015_657] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Jia Z, Gálvez E, Sebastián RM, Pleixats R, Álvarez-Larena Á, Martin E, Vallribera A, Shafir A. An Alternative to the Classical α-Arylation: The Transfer of an Intact 2-Iodoaryl from ArI(O2CCF3)2. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201405982] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Jia Z, Gálvez E, Sebastián RM, Pleixats R, Álvarez-Larena Á, Martin E, Vallribera A, Shafir A. An Alternative to the Classical α-Arylation: The Transfer of an Intact 2-Iodoaryl from ArI(O2CCF3)2. Angew Chem Int Ed Engl 2014; 53:11298-301. [DOI: 10.1002/anie.201405982] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 07/11/2014] [Indexed: 11/06/2022]
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Nguyen H, Khatri HR, Zhu J. Reductive iodonio-Claisen rearrangement of iodothiophene diacetates with allylsilanes: formal synthesis of Plavix®. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.07.138] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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