1
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López-Martín I, Veiga-Herrero J, Aparicio F, González-Rodríguez D. A Modular and Convergent Synthetic Route to Supramolecular Cyclic Dimers Based on Amidinium-Carboxylate Interactions. Chemistry 2023; 29:e202302279. [PMID: 37800622 DOI: 10.1002/chem.202302279] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Indexed: 10/07/2023]
Abstract
We describe herein the optimized design and modular synthetic approach towards supramolecularly programmed monomers that can form discrete macrocyclic species of controllable size and shape through amidinium-carboxylate interactions in apolar and polar media.
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Affiliation(s)
- Isabel López-Martín
- Nanostructured Molecular Systems and Materials Group, Organic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Jacobo Veiga-Herrero
- Nanostructured Molecular Systems and Materials Group, Organic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Fátima Aparicio
- Nanostructured Molecular Systems and Materials Group, Organic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - David González-Rodríguez
- Nanostructured Molecular Systems and Materials Group, Organic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
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2
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Taguchi J, Okuyama T, Tomita S, Niwa T, Hosoya T. Synthesis of Multisubstituted Aromatics via 3-Triazenylarynes. Org Lett 2023; 25:7030-7034. [PMID: 37712445 DOI: 10.1021/acs.orglett.3c02615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
An efficient method for generating 3-triazenylarynes from ortho-iodoaryl triflate-type precursors was developed. The generated arynes reacted with various arynophiles with high regioselectivity because of the triazenyl group. The 3-triazenylaryne precursors functioned as useful intermediates of diverse multisubstituted aromatic compounds through the transformation of the remaining triazenyl group of aryne adducts and triazenyl group-directed ortho-C-H functionalization.
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Affiliation(s)
- Jumpei Taguchi
- 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
| | - Takumi Okuyama
- 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
| | - Satomi Tomita
- 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
| | - Takashi Niwa
- 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
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research (BDR), 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe 650-0047, Japan
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, 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
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research (BDR), 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe 650-0047, Japan
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3
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Yoshioka E, Yamaoka Y, Shimada S, Tanaka H, Miyabe H. Regiocontrol Using Fluoro Substituent on 3,6-Disubstituted Arynes. Chem Pharm Bull (Tokyo) 2023; 71:775-781. [PMID: 37779079 DOI: 10.1248/cpb.c23-00458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
The effect of fluoro substituent on the regioselectivity of several reactions of 3,6-disubstituted arynes was studied. These arynes contained another inductively electron-withdrawing substituent other than fluorine. A reasonable degree of regiocontrol was achieved in the (3 + 2) cycloaddition reaction of 3,6-disubstituted aryne containing both fluorine and bromine atoms with benzyl azide. Furthermore, the insertion reaction of aryne into Sn-F σ-bonds and the three-component coupling reaction involving the insertion of aryne into C=O π-bonds also led to the high degree of regiocontrol.
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Affiliation(s)
- Eito Yoshioka
- School of Pharmacy and Department of Pharmacy, Hyogo Medical University
| | - Yousuke Yamaoka
- School of Pharmacy and Department of Pharmacy, Hyogo Medical University
| | - Shunsuke Shimada
- School of Pharmacy and Department of Pharmacy, Hyogo Medical University
| | - Hikaru Tanaka
- School of Pharmacy and Department of Pharmacy, Hyogo Medical University
| | - Hideto Miyabe
- School of Pharmacy and Department of Pharmacy, Hyogo Medical University
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4
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Transition Metal Catalyzed Hiyama Cross-Coupling: Recent Methodology Developments and Synthetic Applications. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175654. [PMID: 36080422 PMCID: PMC9458230 DOI: 10.3390/molecules27175654] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022]
Abstract
Hiyama cross-coupling is a versatile reaction in synthetic organic chemistry for the construction of carbon-carbon bonds. It involves the coupling of organosilicons with organic halides using transition metal catalysts in good yields and high enantioselectivities. In recent years, hectic progress has been made by researchers toward the synthesis of diversified natural products and pharmaceutical drugs using the Hiyama coupling reaction. This review emphasizes the recent synthetic developments and applications of Hiyama cross-coupling.
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5
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Lanzi M, Ali Abdine RA, De Abreu M, Wencel-Delord J. Cyclic Diaryl λ 3-Bromanes: A Rapid Access to Molecular Complexity via Cycloaddition Reactions. Org Lett 2021; 23:9047-9052. [PMID: 34806390 DOI: 10.1021/acs.orglett.1c03278] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Biaryls have widespread applications in organic synthesis. However, sequentially polysubstituted biaryls are underdeveloped due to their challenging preparation. Herein, we report the synthesis of dissymetric 2,3,2',3',4-substituted biaryls via pericyclic reactions of cyclic diaryl λ3-bromanes. The functional groups tolerance and atom economy allow access to molecular complexity in a single reaction step. Continuous flow protocol has been designed for the scale-up of the reaction, while postfunctionalizations have been developed taking advantage of the residual Br-atom.
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Affiliation(s)
- Matteo Lanzi
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087 Strasbourg, France
| | - Racha Abed Ali Abdine
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087 Strasbourg, France
| | - Maxime De Abreu
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087 Strasbourg, France
| | - Joanna Wencel-Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087 Strasbourg, France
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6
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Taguchi J, Kimura K, Igawa K, Tomooka K, Hosoya T. 3-Azidoarynes: Generation and Regioselective Reactions. CHEM LETT 2021. [DOI: 10.1246/cl.210632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jumpei Taguchi
- 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
| | - Kota Kimura
- 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
| | - Kazunobu Igawa
- Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-koen, Kasuga, Fukuoka 816-8580, Japan
| | - Katsuhiko Tomooka
- Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-koen, Kasuga, Fukuoka 816-8580, 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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7
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Minami Y, Hiyama T. Cross-coupling Reaction based on the Transformation of Trialkylsilyl Groups. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.642] [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)
- Yasunori Minami
- Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST)
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8
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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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9
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Curpanen S, Poli G, Oble. J, Perez‐Luna A. C(sp
2
)−Si Bond Functionalization through Intramolecular Activation by Alkoxides. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001458] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sebastien Curpanen
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4 place Jussieu 75005 Paris France
| | - Giovanni Poli
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4 place Jussieu 75005 Paris France
| | - Julie Oble.
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4 place Jussieu 75005 Paris France
| | - Alejandro Perez‐Luna
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4 place Jussieu 75005 Paris France
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10
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Yoshioka E, Kakigi K, Miyoshi S, Kawasaki Y, Miyabe H. Aryne Precursors for Selective Generation of 3-Haloarynes: Preparation and Application to Synthetic Reactions. J Org Chem 2020; 85:13544-13556. [PMID: 32985890 DOI: 10.1021/acs.joc.0c01669] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The synthesis and reaction of new 3-haloaryne precursors 2a-2h were studied. The ortho-(trimethylsilyl)aryl triflate precursors 2a-2h were prepared by a simple procedure involving O-trimethylsilylation and migration of a trimethylsilyl group followed by triflation. The remarkable feature of new precursors is the selective generation of 3-haloarynes by suppressing the competitive thia-Fries rearrangement, which is the problem in the reaction using the well-known 3-haloaryne precursors. The advantage of new precursor 2a over a typical precursor 1 was confirmed by the direct comparisons in several reactions. The application of precursors 2a-2h to the syntheses of heterocycles was also reported.
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Affiliation(s)
- Eito Yoshioka
- School of Pharmacy, Hyogo University of Health Sciences, Minatojima, Chuo-ku, Kobe 650-8530, Japan
| | - Kengo Kakigi
- School of Pharmacy, Hyogo University of Health Sciences, Minatojima, Chuo-ku, Kobe 650-8530, Japan
| | - Shouta Miyoshi
- School of Pharmacy, Hyogo University of Health Sciences, Minatojima, Chuo-ku, Kobe 650-8530, Japan
| | - Yuichi Kawasaki
- School of Pharmacy, Hyogo University of Health Sciences, Minatojima, Chuo-ku, Kobe 650-8530, Japan
| | - Hideto Miyabe
- School of Pharmacy, Hyogo University of Health Sciences, Minatojima, Chuo-ku, Kobe 650-8530, Japan
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11
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Dubey AV, Kumar AV. A Bio‐Inspired Magnetically Recoverable Palladium Nanocatalyst for the Ullmann Coupling reaction of Aryl halides and Arylboronic acids In Aqueous Media. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5570] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Abhishek V. Dubey
- Department of ChemistryInstitute of Chemical Technology Matunga Mumbai Maharashtra India
| | - A. Vijay Kumar
- Department of ChemistryInstitute of Chemical Technology Matunga Mumbai Maharashtra India
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12
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Hu T, Huang L, Gao L, Song Z. Synthesis of unsymmetrical diarylmethanols via C–Si bond bifunctionalization enabled by sequential [1,4]-Csp 2 to O-silyl migration. Org Chem Front 2020. [DOI: 10.1039/c9qo01450k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unsymmetrical C–Si bond bifunctionalization of 2,2′-bis(trimethylsilyl) diphenylmethanol via “on–off–on” sequential [1,4]-Csp2 to O-silyl migration installs Csp3/Csp3, Csp3/Csp2 or Csp2/Csp3 in one pot, giving sterically congested unsymmetrical diarylmethanols in good yields.
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Affiliation(s)
- Tianbao Hu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Liying Huang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Lu Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Zhenlei Song
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
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13
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Wang K, Li L, Hu T, Gao L, Song Z. One-Pot Twofold Unsymmetrical C-Si Bond 2,6-Bifunctionalization of Arenes via Sequential [1,4]-Csp 2 to O-Silyl Migration. J Org Chem 2019; 84:12583-12595. [PMID: 31499002 DOI: 10.1021/acs.joc.9b02014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Twofold unsymmetrical C-Si bond bifunctionalization of 2,6-di(trimethylsilyl) benzyl alcohols has been achieved in one pot via sequential [1,4]-Csp2 to O-silyl migration. The hydroxyl group functions as an "on-off-on" switch to control two successive silyl migrations, and 4,7-dimethyl-o-phenanthroline ligand favors cleavage of the endocyclic C-Si bond. Diverse Csp3/Csp3 or Csp2/Csp3 electrophiles can be installed at the 2- and 6-positions. This approach was used to chemoselectively functionalize the three C-Si bonds of 2,4,6-tri(trimethylsilyl) benzyl alcohol, transforming it into isochroman derivatives. The approach even works as a five-component reaction to construct complex symmetric structures.
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Affiliation(s)
- Kai Wang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy , Sichuan University , Chengdu , 610041 China
| | - Linjie Li
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy , Sichuan University , Chengdu , 610041 China
| | - Tianbao Hu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy , Sichuan University , Chengdu , 610041 China
| | - Lu Gao
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy , Sichuan University , Chengdu , 610041 China
| | - Zhenlei Song
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy , Sichuan University , Chengdu , 610041 China.,State Key Laboratory of Elemento-organic Chemistry , Nankai University , Tianjin , 300071 China
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14
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Yoshinaga T, Fujiwara T, Iwata T, Shindo M. Synthesis of Distorted 1,8,13‐Trisilyl‐9‐hydroxytriptycenes by Triple Cycloaddition of Ynolates to 3‐Silylbenzynes. Chemistry 2019; 25:13855-13859. [DOI: 10.1002/chem.201903024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 07/22/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Tatsuro Yoshinaga
- Interdisciplinary Graduate School of Engineering SciencesKyushu University 6-1 Kasuga-koen Kasuga 816-8580 Japan
| | - Takumi Fujiwara
- Interdisciplinary Graduate School of Engineering SciencesKyushu University 6-1 Kasuga-koen Kasuga 816-8580 Japan
| | - Takayuki Iwata
- Institute for Materials Chemistry and EngineeringKyushu University 6-1 Kasuga-koen Kasuga 816-8580 Japan
| | - Mitsuru Shindo
- Institute for Materials Chemistry and EngineeringKyushu University 6-1 Kasuga-koen Kasuga 816-8580 Japan
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15
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Uchida K, Yoshida S, Hosoya T. Synthetic Aryne Chemistry toward Multicomponent Coupling. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.145] [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)
| | - Suguru Yoshida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Takamitsu Hosoya
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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16
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Murai M, Ogita T, Takai K. Regioselective arene homologation through rhenium-catalyzed deoxygenative aromatization of 7-oxabicyclo[2.2.1]hepta-2,5-dienes. Chem Commun (Camb) 2019; 55:2332-2335. [DOI: 10.1039/c9cc00270g] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A facile approach to PAHs with an arm-chair edge via regioselective bromination, Diels–Alder reaction, and rhenium-catalyzed deoxygenative aromatization is described.
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Affiliation(s)
- Masahito Murai
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology, and Research Institute for Interdisciplinary Science
- Okayama University
- Okayama 700-8530
- Japan
| | - Takuya Ogita
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology, and Research Institute for Interdisciplinary Science
- Okayama University
- Okayama 700-8530
- Japan
| | - Kazuhiko Takai
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology, and Research Institute for Interdisciplinary Science
- Okayama University
- Okayama 700-8530
- Japan
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17
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Korb M, Lang H. The anionic Fries rearrangement: a convenient route to ortho-functionalized aromatics. Chem Soc Rev 2019; 48:2829-2882. [DOI: 10.1039/c8cs00830b] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The scope and mechanism of anionic (hetero-) Fries rearrangements are summarized for various migrating groups and arenes, including applications and computational studies.
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Affiliation(s)
- Marcus Korb
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- Chemnitz
| | - Heinrich Lang
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- Chemnitz
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18
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Ikawa T, Masuda S, Akai S. Microflow Fluorinations of Benzynes: Efficient Synthesis of Fluoroaromatic Compounds. Chem Pharm Bull (Tokyo) 2018; 66:1153-1164. [DOI: 10.1248/cpb.c18-00578] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Takashi Ikawa
- Graduate School of Pharmaceutical Sciences, Osaka University
| | - Shigeaki Masuda
- Graduate School of Pharmaceutical Sciences, Osaka University
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University
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19
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Minami Y, Hiyama T. Designing Cross-Coupling Reactions using Aryl(trialkyl)silanes. Chemistry 2018; 25:391-399. [PMID: 30024650 DOI: 10.1002/chem.201803213] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/18/2018] [Indexed: 01/08/2023]
Abstract
Organo(trialkyl)silanes have several advantages, including high stability, low toxicity, good solubility, easy handling, and ready availability compared with heteroatom-substituted silanes. However, methods for the cross-coupling of organo(trialkyl)silanes are limited, most probably because of their exceeding robustness. Thus, a practical method for the cross-coupling of organo(trialkyl)silanes has been a long-standing challenging research target. This article discusses how aryl(trialkyl)silanes can be used in cross-coupling reactions. A pioneering example is CuII catalytic conditions with the use of electron-accepting aryl- or heteroaryl(triethyl)silanes and aryl iodides. The reaction forms biaryls or teraryls. This design concept can be extended to Pd/CuII -catalyzed cross-coupling polymerization reactions between such silanes and aryl bromides or chlorides and to CuI -catalyzed alkylation using alkyl halides.
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Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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20
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Su B, Hartwig JF. Iridium-Catalyzed, Silyl-Directed, peri-Borylation of C-H Bonds in Fused Polycyclic Arenes and Heteroarenes. Angew Chem Int Ed Engl 2018; 57:10163-10167. [PMID: 29779224 DOI: 10.1002/anie.201805086] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Indexed: 11/10/2022]
Abstract
peri-Disubstituted naphthalenes exhibit interesting physical properties and unique chemical reactivity, due to the parallel arrangement of the bonds to the two peri-disposed substituents. Regioselective installation of a functional group at the position peri to 1-substituted naphthalenes is challenging due to the steric interaction between the existing substituent and the position at which the second one would be installed. We report an iridium-catalyzed borylation of the C-H bond peri to a silyl group in naphthalenes and analogous polyaromatic hydrocarbons. The reaction occurs under mild conditions with wide functional group tolerance. The silyl group and the boryl group in the resulting products are precursors to a range of functional groups bound to the naphthalene ring through C-C, C-O, C-N, C-Br and C-Cl bonds.
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Affiliation(s)
- Bo Su
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA
| | - John F Hartwig
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA
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21
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Su B, Hartwig JF. Iridium-Catalyzed, Silyl-Directed, peri
-Borylation of C−H Bonds in Fused Polycyclic Arenes and Heteroarenes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bo Su
- Department of Chemistry; University of California; Berkeley CA 94720 USA
| | - John F. Hartwig
- Department of Chemistry; University of California; Berkeley CA 94720 USA
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22
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Prévost S, Dezaire A, Escargueil A. Intramolecular Aryne-Furan Cycloadditions for the Synthesis of Anticancer Naphthalimides. J Org Chem 2018; 83:4871-4881. [DOI: 10.1021/acs.joc.8b00531] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sébastien Prévost
- Laboratoire de Synthèse Organique, CNRS, Ecole Polytechnique, ENSTA ParisTech, UMR 7652, Université Paris-Saclay, 828 Bd des Maréchaux, 91128 Palaiseau, France
- Museum National d’Histoire Naturelle, CNRS, UMR 7245 MCAM, Sorbonne Universités, 57 rue Cuvier (CP 54), 75005 Paris, France
| | - Ambre Dezaire
- Sorbonne Université, INSERM, Laboratory of Cancer Biology and Therapeutics, Centre de Recherche Saint-Antoine, CRSA, F-75012 Paris, France
| | - Alexandre Escargueil
- Sorbonne Université, INSERM, Laboratory of Cancer Biology and Therapeutics, Centre de Recherche Saint-Antoine, CRSA, F-75012 Paris, France
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23
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Lv C, Wan C, Liu S, Lan Y, Li Y. Aryne Trifunctionalization Enabled by 3-Silylaryne as a 1,2-Benzdiyne Equivalent. Org Lett 2018; 20:1919-1923. [DOI: 10.1021/acs.orglett.8b00469] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chunjie Lv
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400030, P. R. China
| | - Caiwen Wan
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400030, P. R. China
| | - Song Liu
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400030, P. R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400030, P. R. China
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400030, P. R. China
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24
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Komiyama T, Minami Y, Furuya Y, Hiyama T. Palladium/Copper Dual Catalysis for the Cross‐Coupling of Aryl(trialkyl)silanes with Aryl Bromides. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Takeshi Komiyama
- Department of Applied Chemistry Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Yasunori Minami
- Research and Development Initiative Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Yuki Furuya
- Department of Applied Chemistry Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Tamejiro Hiyama
- Research and Development Initiative Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
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25
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Komiyama T, Minami Y, Furuya Y, Hiyama T. Palladium/Copper Dual Catalysis for the Cross‐Coupling of Aryl(trialkyl)silanes with Aryl Bromides. Angew Chem Int Ed Engl 2018; 57:1987-1990. [DOI: 10.1002/anie.201712081] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Indexed: 01/14/2023]
Affiliation(s)
- Takeshi Komiyama
- Department of Applied Chemistry Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Yasunori Minami
- Research and Development Initiative Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Yuki Furuya
- Department of Applied Chemistry Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
| | - Tamejiro Hiyama
- Research and Development Initiative Chuo University 1-13-27, Kasuga Bunkyo-ku Tokyo 112-8551 Japan
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26
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Takagi A. Development of Efficient Methods for Benzyne Generation. YAKUGAKU ZASSHI 2018; 138:27-35. [DOI: 10.1248/yakushi.17-00157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Akira Takagi
- Graduate School of Pharmaceutical Sciences, Osaka University
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27
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Keylor MH, Matsuura BS, Griesser M, Chauvin JPR, Harding RA, Kirillova MS, Zhu X, Fischer OJ, Pratt DA, Stephenson CRJ. Synthesis of resveratrol tetramers via a stereoconvergent radical equilibrium. Science 2017; 354:1260-1265. [PMID: 27940867 DOI: 10.1126/science.aaj1597] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 11/15/2016] [Indexed: 12/11/2022]
Abstract
Persistent free radicals have become indispensable in the synthesis of organic materials through living radical polymerization. However, examples of their use in the synthesis of small molecules are rare. Here, we report the application of persistent radical and quinone methide intermediates to the synthesis of the resveratrol tetramers nepalensinol B and vateriaphenol C. The spontaneous cleavage and reconstitution of exceptionally weak carbon-carbon bonds has enabled a stereoconvergent oxidative dimerization of racemic materials in a transformation that likely coincides with the biogenesis of these natural products. The efficient synthesis of higher-order oligomers of resveratrol will facilitate the biological studies necessary to elucidate their mechanism(s) of action.
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Affiliation(s)
- Mitchell H Keylor
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Bryan S Matsuura
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Markus Griesser
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private,Ottawa, Ontario K1N 6N5, Canada
| | - Jean-Philippe R Chauvin
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private,Ottawa, Ontario K1N 6N5, Canada
| | - Ryan A Harding
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Mariia S Kirillova
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Xu Zhu
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Oliver J Fischer
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA
| | - Derek A Pratt
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private,Ottawa, Ontario K1N 6N5, Canada.
| | - Corey R J Stephenson
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109, USA.
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28
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Ikawa T, Masuda S, Nakajima H, Akai S. 2-(Trimethylsilyl)phenyl Trimethylsilyl Ethers as Stable and Readily Accessible Benzyne Precursors. J Org Chem 2017; 82:4242-4253. [PMID: 28247765 DOI: 10.1021/acs.joc.7b00238] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Stable 2-(trimethylsilyl)phenyl trimethylsilyl ethers, readily obtained from the corresponding halogenated phenols in two steps, were identified as novel benzyne precursors. These species were converted to benzynes by a domino reaction of O-desilylation, O-nonaflylation, and β-elimination under mild conditions using nonafluorobutanesulfonyl fluoride (NfF) and tetrabutylammonium triphenyldifluorosilicate (TBAT). The generated benzynes were trapped by various arynophiles to afford a wide variety of benzo-fused heterocycles.
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Affiliation(s)
- Takashi Ikawa
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shigeaki Masuda
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hiroki Nakajima
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
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29
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Shi J, Xu H, Qiu D, He J, Li Y. Selective Aryne Formation via Grob Fragmentation from the [2+2] Cycloadducts of 3-Triflyloxyarynes. J Am Chem Soc 2017; 139:623-626. [PMID: 28038312 DOI: 10.1021/jacs.6b12161] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A chemoselective ring-opening protocol of the formal [2+2] cycloadducts of 3-triflyloxyarynes was developed to generate 2,3-aryne intermediate via Grob fragmentation. A variety of 1,3-di- and 1,2,3-trisubstituted arenes could be readily accessed through this [2+2] cycloaddition-2,3-aryne formation sequence. The regioselectivity in these transformations originates from the steric repulsion of the aliphatic chain.
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Affiliation(s)
- Jiarong Shi
- School of Chemistry and Chemical Engineering, Chongqing University , 174 Shazheng Street, Chongqing 400030, P. R. China
| | - Hai Xu
- School of Chemistry and Chemical Engineering, Chongqing University , 174 Shazheng Street, Chongqing 400030, P. R. China
| | - Dachuan Qiu
- School of Chemistry and Chemical Engineering, Chongqing University , 174 Shazheng Street, Chongqing 400030, P. R. China
| | - Jia He
- School of Chemistry and Chemical Engineering, Chongqing University , 174 Shazheng Street, Chongqing 400030, P. R. China
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University , 174 Shazheng Street, Chongqing 400030, P. R. China
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30
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Komiyama T, Minami Y, Hiyama T. Aryl(triethyl)silanes for Biaryl and Teraryl Synthesis by Copper(II)-Catalyzed Cross-Coupling Reaction. Angew Chem Int Ed Engl 2016; 55:15787-15791. [DOI: 10.1002/anie.201608667] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/14/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Takeshi Komiyama
- Department of Applied Chemistry; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
| | - Yasunori Minami
- Research and Development Initiative; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
| | - Tamejiro Hiyama
- Research and Development Initiative; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
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31
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Komiyama T, Minami Y, Hiyama T. Aryl(triethyl)silanes for Biaryl and Teraryl Synthesis by Copper(II)-Catalyzed Cross-Coupling Reaction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608667] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Takeshi Komiyama
- Department of Applied Chemistry; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
| | - Yasunori Minami
- Research and Development Initiative; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
| | - Tamejiro Hiyama
- Research and Development Initiative; Chuo University; Kasuga, Bunkyo-ku Tokyo 112-8551 Japan
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32
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Ikawa T, Masuda S, Takagi A, Akai S. 1,3- and 1,4-Benzdiyne equivalents for regioselective synthesis of polycyclic heterocycles. Chem Sci 2016; 7:5206-5211. [PMID: 30155171 PMCID: PMC6020534 DOI: 10.1039/c6sc00798h] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 04/15/2016] [Indexed: 12/30/2022] Open
Abstract
We have devised a novel 1,3-benzdiyne equivalent, capable of quadruple functionalization by sequential benzyne generation and reaction with arynophiles. The key features of this method include the chemoselective generation of two triple bonds in a single benzene ring under fluoride-mediated mild conditions, and the regiocontrol of each benzyne reaction by the substituent next to the triple bond. This method produced various benzo-fused heteroaromatic compounds via reactions with arynophiles, such as furans, azides, and diazo compounds. A validation of the method is given in the convergent synthesis of the antipsychotic drug risperidone. A similar strategy has also been applied to a 1,4-benzdiyne equivalent to construct linearly benzo-fused heteroaromatics.
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Affiliation(s)
- Takashi Ikawa
- Graduate School of Pharmaceutical Sciences , Osaka University , 1-6 Yamadaoka , Suita , Osaka 565-0871 , Japan . ;
| | - Shigeaki Masuda
- Graduate School of Pharmaceutical Sciences , Osaka University , 1-6 Yamadaoka , Suita , Osaka 565-0871 , Japan . ;
| | - Akira Takagi
- Graduate School of Pharmaceutical Sciences , Osaka University , 1-6 Yamadaoka , Suita , Osaka 565-0871 , Japan . ;
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences , Osaka University , 1-6 Yamadaoka , Suita , Osaka 565-0871 , Japan . ;
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33
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Li PF, Yi CB, Ren SJ, Qu J. Ring-Opening/Expansion Rearrangement of Cycloprop[2,3]inden-1-ols Catalyzed byp-Toluenesulfonic Acid. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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34
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Affiliation(s)
- Suguru Yoshida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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35
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Lou ZB, Pang XL, Chen C, Wen LR, Li M. Facile synthesis of 1-naphthols through a copper-catalyzed arylation of methyl ketones with o-bromoacetophenones. CHINESE CHEM LETT 2015. [DOI: 10.1016/j.cclet.2015.07.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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36
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One-pot synthesis of 3-hydroxyanthranilate derivatives using furans, bromoalkyne, and secondary amines. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.098] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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Ikawa T. [Efficient synthesis of multisubstituted aromatic compounds from phenol derivatives]. YAKUGAKU ZASSHI 2014; 134:1309-17. [PMID: 25452240 DOI: 10.1248/yakushi.14-00192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Phenols are abundant in nature and diverse phenols are readily available commercially at low cost. Thus, phenols can be used as the raw materials for the synthesis of valuable multisubstituted aromatic compounds by the direct activation of phenolic hydroxyl groups (C-O bond activation), followed by substitutions with other substituents. Although the derivatization of phenolic hydroxyl groups to sulfonates, such as triflates, nonaflates, tosylates and mesylates, followed by the transition-metal-catalyzed coupling reactions has been extensively investigated for this purpose, the direct C-O bond activation of phenols for subsequent functional group transformation has been a long-standing challenge in modern organic synthesis. In this review, I have summarized my recent studies on the formal direct C-O bond activation of phenols using nonafluorobutanesulfonyl fluoride (NfF) for the synthesis of multisubstituted aromatics. I have focused on the dual use of NfF, a less expensive commercially available reagent, including the tentative formation of highly reactive nonaflates from phenols and the use of the liberated fluoride ion as a nucleophile to promote the reactions of nonaflates. The following four topics are discussed: 1) palladium-catalyzed coupling reactions of phenols, 2) novel preparation of benzynes from 2-silylphenols, 3) synthesis of fluorinated aromatic compounds via the formation of benzynes, and 4) Hiyama coupling of (tert-butyldimethylsilyl)arenes activated by internal phenolic hydroxyl groups.
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Affiliation(s)
- Takashi Ikawa
- Graduate School of Pharmaceutical Sciences, Osaka University
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38
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Ikawa T, Urata H, Fukumoto Y, Sumii Y, Nishiyama T, Akai S. Concise Synthesis of Multisubstituted Isoquinolines from Pyridines by Regioselective Diels-Alder Reactions of 2-Silyl-3,4-pyridynes. Chemistry 2014; 20:16228-32. [DOI: 10.1002/chem.201404633] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Indexed: 01/19/2023]
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39
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Shinohara H, Sonoda M, Hayagane N, Kita S, Tanimori S, Ogawa A. Silica gel-promoted convenient synthesis of 2-bromo-3-hydroxybenzoate derivatives. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.07.084] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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40
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Chen Y, Wang L, Sun N, Xie X, Zhou X, Chen H, Li Y, Liu Y. Gold(I)-Catalyzed Furan-yne Cyclizations Involving 1,2-Rearrangement: Efficient Synthesis of Functionalized 1-Naphthols and Its Application to the Synthesis of Wailupemycin G. Chemistry 2014; 20:12015-9. [DOI: 10.1002/chem.201403113] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Indexed: 11/05/2022]
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41
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Gao F, Huang Y. A Sulfur Ylides-Mediated Domino Benzannulation Strategy to Construct Biaryls, Alkenylated and Alkynylated Benzene Derivatives. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400176] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Truong T, Mesgar M, Le KKA, Daugulis O. General method for functionalized polyaryl synthesis via aryne intermediates. J Am Chem Soc 2014; 136:8568-76. [PMID: 24893069 PMCID: PMC4227807 DOI: 10.1021/ja504886x] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Indexed: 01/21/2023]
Abstract
A method for base-promoted arylation of arenes and heterocycles by aryl halides and aryl triflates is described. Additionally, in situ electrophilic trapping of ArLi intermediates generated in the reaction of benzyne with deprotonated arenes or heterocycles has been developed, providing rapid and easy access to a wide range of highly functionalized polyaryls. Base-promoted arylation methodology complements transition-metal-catalyzed direct arylation and allows access to structures that are not easily accessible via other direct arylation methods. The reactions are highly functional-group tolerant, with alkene, ether, dimethylamino, trifluoromethyl, ester, cyano, halide, hydroxyl, and silyl functionalities compatible with reaction conditions.
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Affiliation(s)
| | - Milad Mesgar
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Ky Khac Anh Le
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Olafs Daugulis
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
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43
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Lou Z, Zhang S, Chen C, Pang X, Li M, Wen L. Concise Synthesis of 1-Naphthols under Mild Conditions through a Copper-Catalyzed Arylation of Methyl Ketones. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300728] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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44
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Cordonnier MCA, Kan SBJ, Gockel B, Goh SS, Anderson EA. Carbopalladation of bromoene-alkynylsilanes: mechanistic insights and synthesis of fused-ring bicyclic silanes and phenols. Org Chem Front 2014. [DOI: 10.1039/c4qo00123k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Palladium-catalyzed cyclizations of silylated bromoenynes lead to bicyclic cyclohexadienes that are precursors to enones and phenols. Novel cyclization pathways and mechanistic insights are also disclosed.
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Affiliation(s)
| | | | - Birgit Gockel
- Chemistry Research Laboratory
- University of Oxford
- Oxford, UK
| | - Shermin S. Goh
- Chemistry Research Laboratory
- University of Oxford
- Oxford, UK
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45
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Takagi A, Ikawa T, Saito K, Masuda S, Ito T, Akai S. ortho-Selective nucleophilic addition of amines to 3-borylbenzynes: synthesis of multisubstituted anilines by the triple role of the boryl group. Org Biomol Chem 2013; 11:8145-50. [PMID: 24162017 DOI: 10.1039/c3ob41787e] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Nucleophilic addition of amines to 3-[(dan)boryl]benzynes (dan = 1,8-diaminonaphthalene) generated by a fluoride ion proceeded with high ortho-selectivity to give 2-borylaniline derivatives, under conditions that are tolerant to various functional groups. The (dan)boryl group of the adduct was hydrolyzed into a boronic acid under acidic conditions, which could further serve for various C-C, C-O, C-N, and C-H bond-formation reactions. The overall process provides a promising entry for preparing multisubstituted aniline derivatives.
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Affiliation(s)
- Akira Takagi
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
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46
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Criado A, Vilas-Varela M, Cobas A, Pérez D, Peña D, Guitián E. Stereoselective Tandem Cascade Furan Cycloadditions. J Org Chem 2013; 78:12637-49. [DOI: 10.1021/jo4022265] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alejandro Criado
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
| | - Manuel Vilas-Varela
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
| | - Agustín Cobas
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
| | - Dolores Pérez
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
| | - Diego Peña
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
| | - Enrique Guitián
- Departamento de
Química
Orgánica and Centro de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain
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47
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Takagi A, Ikawa T, Kurita Y, Saito K, Azechi K, Egi M, Itoh Y, Tokiwa H, Kita Y, Akai S. Generation of 3-borylbenzynes, their regioselective Diels–Alder reactions, and theoretical analysis. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.03.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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48
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Tang S, Li SH, Nakao Y, Hiyama T. Aryl[2-(hydroxypro-2-yl)cyclohyxyl]dimethylsilane: A Robust Aryl(trialkyl)silane Reagent for Nickel-catalyzed Cross-coupling Reactions with Aryl Tosylates. ASIAN J ORG CHEM 2013. [DOI: 10.1002/ajoc.201300031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ikawa T, Takagi A, Goto M, Aoyama Y, Ishikawa Y, Itoh Y, Fujii S, Tokiwa H, Akai S. Regiocomplementary cycloaddition reactions of boryl- and silylbenzynes with 1,3-dipoles: selective synthesis of benzo-fused azole derivatives. J Org Chem 2013; 78:2965-83. [PMID: 23428206 DOI: 10.1021/jo302802b] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Benzo-fused nitrogen-containing heterocycles are abundant in biologically active compounds. One of the most important methods for preparing such heterocycles is the (3 + 2) cycloaddition reaction of benzynes with 1,3-dipolar compounds. However, the reactions of unsymmetrically substituted benzynes generally show low selectivity and hence yield mixtures of two regioisomers. In this paper, we describe the synthesis of both regioisomers of multisubstituted benzo-fused azole derivatives such as benzotriazoles, 1H-indazoles, and benzo[d]isoxazoles through the regiocomplementary (3 + 2) cycloaddition reactions of 3-boryl- and 3-silylbenzynes with 1,3-dipoles. The improved generation of 3-borylbenzynes from new precursors was one of the most important results of this work, which produced the successful (3 + 2) cycloaddition reactions with exclusive and proximal selectivities. On the other hand, similar reactions of 3-silylbenzynes selectively afforded distal cycloadducts. Analysis of the reaction pathways of these amazing regioselectivities by density functional theory calculations revealed that the (3 + 2) cycloadditions of borylbenzynes are controlled by the electrostatic effect of the boryl group, while those of silylbenzynes are controlled mainly by the steric effect of the bulky silyl groups that produced electrostatically unfavorable adducts via anomalous transition states.
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Affiliation(s)
- Takashi Ikawa
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
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Tsubouchi A, Sasaki N, Enatsu S, Takeda T. Regio- and stereoselective preparation of (Z)-silyl enol ethers by three-component coupling using α,β-unsaturated acylsilanes as core building blocks. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.089] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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