1
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Loro C, Papis M, Foschi F, Broggini G, Poli G, Oble J. Copper(II)-Catalyzed Three-Component Arylation/Hydroamination Cascade from Allyl Alcohol: Access to 1-Aryl-2-sulfonylamino-propanes. J Org Chem 2023; 88:13995-14003. [PMID: 37747795 PMCID: PMC10563128 DOI: 10.1021/acs.joc.3c01536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Indexed: 09/27/2023]
Abstract
A new straightforward approach to 1-aryl-2-aminopropanes using easily accessible substrates has been developed. Simple allyl alcohol is shown to be an ideal synthetic equivalent of the C3 propane-1,2-diylium bis-cation synthon in three-component cascade reactions with arenes and sulfonamide nucleophiles to regioselectively afford 1-aryl-2-aminopropanes. The reaction is catalyzed by Cu(OTf)2 and is expected to involve a Friedel-Crafts-type allylation of the arene, followed by hydroamination.
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Affiliation(s)
- Camilla Loro
- Dipartimento
di Scienza e Alta Tecnologia, Università
dell’Insubria, via Valleggio 11, 22100 Como, Italy
| | - Marta Papis
- Dipartimento
di Scienza e Alta Tecnologia, Università
dell’Insubria, via Valleggio 11, 22100 Como, Italy
| | - Francesca Foschi
- Dipartimento
di Scienza e Alta Tecnologia, Università
dell’Insubria, via Valleggio 11, 22100 Como, Italy
| | - Gianluigi Broggini
- Dipartimento
di Scienza e Alta Tecnologia, Università
dell’Insubria, via Valleggio 11, 22100 Como, Italy
| | - Giovanni Poli
- Faculté
des Sciences et Ingénierie, CNRS, Institut Parisien de Chimie
Moléculaire, IPCM, Sorbonne Université, 4 place Jussieu, 75005 Paris, France
| | - Julie Oble
- Faculté
des Sciences et Ingénierie, CNRS, Institut Parisien de Chimie
Moléculaire, IPCM, Sorbonne Université, 4 place Jussieu, 75005 Paris, France
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2
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Wang Z, Yamazaki S, Mikata Y, Oba M, Takashima H, Morimoto T, Ogawa A. Intramolecular Diels-Alder Reactions of α-Bromostyrene-Functionalized Unsaturated Carboxamides. J Org Chem 2022; 87:11148-11164. [PMID: 35944162 DOI: 10.1021/acs.joc.2c01417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Intramolecular cycloaddition reactions of α-bromostyrene-functionalized amides of monomethyl fumarate were investigated. The reaction of the amides with Et3N in toluene at 110 °C gave 1,4-dihydronaphthalenes. The 1,4-dihydronaphthalenes may be produced via the intramolecular Diels-Alder reaction, proton transfer, and dehydrobromination by a base, along with C═C bond isomerization by proton transfer. The reaction of amide derivatives with halogen on a benzene ring and alkali metal carbonates in toluene at 110 °C gave naphthalene derivatives directly. Dehydrogenation of various 1,4-dihydronaphthalenes with cesium or rubidium carbonate in toluene at 110 °C gave naphthalene derivatives. The retardation by TEMPO, acceleration by air for some substrates, and density functional theory calculations suggest a radical mechanism caused by intervention of molecular oxygen.
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Affiliation(s)
- Zhichao Wang
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Gakuen-cho 1-1, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Shoko Yamazaki
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Yuji Mikata
- Laboratory for Molecular and Functional Design, Department of Engineering, Nara Women's University Nara 630-8506, Japan
| | - Miho Oba
- Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Hiroshi Takashima
- Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Tsumoru Morimoto
- Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST), Takayama, Ikoma, Nara 630-0192, Japan
| | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Gakuen-cho 1-1, Nakaku, Sakai, Osaka 599-8531, Japan
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3
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Chakraborty M, Mahesh G, Nakel OR, Chavda G, Anusha S, Sudhakar G. A Facile Approach to Access Multi‐Substituted Indenes via Nazarov Cyclisation of Aryl, Vinyl, and Alkyl/Aryl Carbinols. ChemistrySelect 2021. [DOI: 10.1002/slct.202103141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mithun Chakraborty
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
| | - Gaddam Mahesh
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
| | - Omkar R. Nakel
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
| | - Gautamee Chavda
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
| | - Susarla Anusha
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
| | - Gangarajula Sudhakar
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad 500007 India
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4
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Yıldız T, Baştaş İ, Başpınar Küçük H. Transition-metal-free intramolecular Friedel-Crafts reaction by alkene activation: A method for the synthesis of some novel xanthene derivatives. Beilstein J Org Chem 2021; 17:2203-2208. [PMID: 34621387 PMCID: PMC8450977 DOI: 10.3762/bjoc.17.142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/17/2021] [Indexed: 12/13/2022] Open
Abstract
In this work, new derivatives (substituted 9-methyl-9-arylxanthenes) of xanthene compounds (5a-l) of possible biological significance were synthesized by developing a new synthesis method. In order to obtain xanthene derivatives, the original alkene compounds to be used as the starting materials were synthesized in four steps using appropriate reactions. A cyclization reaction by intramolecular Friedel-Crafts alkylation was carried out in order to synthesize the desired xanthene derivatives using the alkenes as starting compounds. The intramolecular Friedel-Crafts reaction was catalyzed by trifluoroacetic acid (TFA) and provided some novel substituted 9-methyl-9-arylxanthenes with good yields at room temperature within 6-24 hours. As a result, an alkene compound was used for activation with TFA in the synthesis of xanthene through intramolecular Friedel-Crafts alkylation for the first time.
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Affiliation(s)
- Tülay Yıldız
- Istanbul University-Cerrahpaşa, Department of Chemistry, Istanbul, Avcilar, 34320, Turkey
| | - İrem Baştaş
- Istanbul University-Cerrahpaşa, Department of Chemistry, Istanbul, Avcilar, 34320, Turkey
| | - Hatice Başpınar Küçük
- Istanbul University-Cerrahpaşa, Department of Chemistry, Istanbul, Avcilar, 34320, Turkey
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5
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Soundararajan K, Jeyarajan HRM, Kamarajapurathu RS, Ayyanoth KKK. Facile and innovative catalytic protocol for intramolecular Friedel-Crafts cyclization of Morita-Baylis-Hillman adducts: Synergistic combination of chiral (salen)chromium(III)/BF 3·OEt 2 catalysis. Beilstein J Org Chem 2021; 17:2186-2193. [PMID: 34497671 PMCID: PMC8404216 DOI: 10.3762/bjoc.17.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 08/18/2021] [Indexed: 12/04/2022] Open
Abstract
The chiral (salen)Cr(III)/BF3·OEt2 catalytic combination was found to be an effective catalyst for intramolecular Friedel-Crafts cyclization of electron-deficient Morita-Baylis-Hillman adducts. In presence of mild reaction conditions the chiral (salen)Cr(III)/BF3·OEt2 complex affords 2-substituted-1H-indenes from unique substrates of Morita-Baylis-Hillman adducts via an easy operating practical procedure.
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Affiliation(s)
- Karthikeyan Soundararajan
- Organic and Material Chemistry Research Laboratory, The American College, Madurai, Tamil Nadu, India
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6
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Song B, Wang M, Xu M, Kong L, Xie H, Wang C, Li Y. Controllable synthesis of pyrido[2,3-b]indol-4-ones or indolo[3,2-b]quinolines via formal intramolecular C(sp 2)-H functionalization. Org Biomol Chem 2019; 17:9960-9965. [PMID: 31730146 DOI: 10.1039/c9ob02108f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel Fe-catalyzed protocol for the controllable synthesis of pyrido[2,3-b]indol-4-ones or indolo[3,2-b]quinolines has been developed by using indole-2-carboxylic derivatives as starting materials. Indole-2-carboxenamines were transformed into pyrido[2,3-b]indol-4-ones through intramolecular N-H/C-H coupling, in which a carbonyl 1,2-migration was involved. Whereas, when indole-2-carboxarylamines were employed, indolo[3,2-b]quinolones were produced through direct N-H/C-H coupling. The desired products were obtained under mild reaction conditions in moderate to good yields with wide substrate scope. The natural product quindolinone was conveniently prepared by this reaction.
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Affiliation(s)
- Bo Song
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
| | - Mengdan Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
| | - Murong Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
| | - Lingkai Kong
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
| | - Huihui Xie
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
| | - Chengyu Wang
- School of Chemistry and Chemical Engineering, Linyi University, Shuangling Road, Linyi, Shandong 276000, China
| | - Yanzhong Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
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7
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Holt C, Alachouzos G, Frontier AJ. Leveraging the Halo-Nazarov Cyclization for the Chemodivergent Assembly of Functionalized Haloindenes and Indanones. J Am Chem Soc 2019; 141:5461-5469. [DOI: 10.1021/jacs.9b00198] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Connor Holt
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
| | - Georgios Alachouzos
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
| | - Alison J. Frontier
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
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8
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Zhang J, Liao Z, Chen L, Jiang H, Zhu S. Construction of polycyclic bridged indene derivatives by a tandem 1,3-rearrangement/intramolecular Friedel-Crafts cyclization of propargyl acetates. Chem Commun (Camb) 2019; 55:7382-7385. [PMID: 31173008 DOI: 10.1039/c9cc03715b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An unprecedented Lewis acid-catalyzed cascade 1,3-rearrangement/Friedel-Crafts cyclization of propargyl acetates is developed for the construction of polycyclic bridged indene derivatives in moderate to good yields. This practical procedure features mild conditions, broad substrate scope, and easy operation.
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Affiliation(s)
- Jiantao Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China.
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9
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Kotipalli T, Hou DR. Synthesis of Indenes by a BF3·OEt2-Mediated, One-Pot Reaction of Aryl Homopropargyl Alcohols, Aldehydes, and Arenes. Org Lett 2018; 20:4787-4790. [DOI: 10.1021/acs.orglett.8b01929] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Trimurtulu Kotipalli
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan 32001, Taiwan
| | - Duen-Ren Hou
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan 32001, Taiwan
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10
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Su X, Wu P, Liu W, Chen C. A concise synthesis of indene-based polycyclic compounds via FeCl3-catalyzed cascade cyclization. Org Chem Front 2018. [DOI: 10.1039/c8qo00004b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An efficient and straightforward protocol to complex indene-based polycyclic compounds via the cascade cyclization of propargylic alcohols and alkenes was developed. The catalyst FeCl3, as an Earth-abundant and environment friendly transition metal salt, is attractive. This reaction proceeded through unusual C–C bond cleavage.
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Affiliation(s)
- Xiang Su
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Panpan Wu
- School of Chemical & Environmental Engineering
- Wuyi University
- Jiangmen
- China
- International Healthcare Innovation Institute (Jiangmen)
| | - Wenfeng Liu
- School of Chemical & Environmental Engineering
- Wuyi University
- Jiangmen
- China
- International Healthcare Innovation Institute (Jiangmen)
| | - Chao Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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11
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Alachouzos G, Frontier AJ. Diastereoselective Construction of Densely Functionalized 1‐Halocyclopentenes Using an Alkynyl Halo‐Prins/Halo‐Nazarov Cyclization Strategy. Angew Chem Int Ed Engl 2017; 56:15030-15034. [DOI: 10.1002/anie.201709482] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Georgios Alachouzos
- Department of Chemistry University of Rochester 414 Hutchison Hall, 100 Trustee Road Rochester NY 14627-0216 USA
| | - Alison J. Frontier
- Department of Chemistry University of Rochester 414 Hutchison Hall, 100 Trustee Road Rochester NY 14627-0216 USA
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12
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Alachouzos G, Frontier AJ. Diastereoselective Construction of Densely Functionalized 1‐Halocyclopentenes Using an Alkynyl Halo‐Prins/Halo‐Nazarov Cyclization Strategy. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709482] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Georgios Alachouzos
- Department of Chemistry University of Rochester 414 Hutchison Hall, 100 Trustee Road Rochester NY 14627-0216 USA
| | - Alison J. Frontier
- Department of Chemistry University of Rochester 414 Hutchison Hall, 100 Trustee Road Rochester NY 14627-0216 USA
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13
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Chan CK, Hsueh NC, Tsai YL, Chang MY. Bi(OTf)3-Mediated Intramolecular Olefinic Cyclization: Synthesis of Substituted Aryl-Dihydronaphthalenes and Indenes. J Org Chem 2017; 82:7077-7084. [DOI: 10.1021/acs.joc.7b01278] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chieh-Kai Chan
- Department of Medicinal and Applied Chemistry,
Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Nai-Chen Hsueh
- Department of Medicinal and Applied Chemistry,
Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yu-Lin Tsai
- Department of Medicinal and Applied Chemistry,
Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Meng-Yang Chang
- Department of Medicinal and Applied Chemistry,
Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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14
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Mao H, Kim DW, Shin HY, Song CE, Yang JW. Organocatalytic regiospecific synthesis of 1H-indene-2-carbaldehyde derivatives: suppression of cycloolefin isomerisation by employing sterically demanding catalysts. Org Biomol Chem 2017; 15:1355-1362. [DOI: 10.1039/c6ob01918h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Extremely high regioselectivity (>99%) for indene-aldehyde products was achieved by using sterically demanding catalysts.
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Affiliation(s)
- Hui Mao
- Department of Energy Science
- Sungkyunkwan University
- Gyeonggi-do 16419
- South Korea
| | - Dong Wan Kim
- Department of Energy Science
- Sungkyunkwan University
- Gyeonggi-do 16419
- South Korea
| | - Hun Yi Shin
- Department of Energy Science
- Sungkyunkwan University
- Gyeonggi-do 16419
- South Korea
| | - Choong Eui Song
- Department of Chemistry
- Sungkyunkwan University
- Gyeonggi-do 16419
- South Korea
| | - Jung Woon Yang
- Department of Energy Science
- Sungkyunkwan University
- Gyeonggi-do 16419
- South Korea
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15
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Regio- and Stereoselective Synthesis of 1,2,3-Trisubstituted Indanes from Diarylmethanols and Allylamides through Iron(III) Chloride Hexahydrate. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600165] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Grandclaudon C, Michelet V, Toullec PY. Synthesis of Polysubstituted 2-Iodoindenes via Iodonium-Induced Cyclization of Arylallenes. Org Lett 2016; 18:676-9. [DOI: 10.1021/acs.orglett.5b03634] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Charlotte Grandclaudon
- PSL Research University, Chimie ParisTech-CNRS,
Institut de Recherche de Chimie
Paris, F-75005 Paris, France
| | - Véronique Michelet
- PSL Research University, Chimie ParisTech-CNRS,
Institut de Recherche de Chimie
Paris, F-75005 Paris, France
| | - Patrick Y. Toullec
- PSL Research University, Chimie ParisTech-CNRS,
Institut de Recherche de Chimie
Paris, F-75005 Paris, France
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17
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Ding W, Shi X, Lu X. Synthesis and Acid-Catalyzed Cyclization of 2-Alkenylstilbenes: a New Approach to the Substituted Indenes. CHINESE J CHEM 2015. [DOI: 10.1002/cjoc.201500587] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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18
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Manojveer S, Balamurugan R. In Situ Formed Acetal-Facilitated Synthesis of Substituted Indene Derivatives from o-Alkenylbenzaldehydes. Org Lett 2015; 17:3600-3. [DOI: 10.1021/acs.orglett.5b01695] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Tang Y, Han R, Lv M, Chen Y, Yang P. Tandem synthesis of pyrroloisoquinolines through 5-endo iodolactamization, oxidative functionalization and α-amidoalkylation reaction. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.04.057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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20
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Kumaraswamy G, Balakishan G. Copper(I)-Catalysed Domino Coupling and Cyclisation Reaction: A Mild, Expedient Route for the Synthesis of Indene and Dihydronaphthalene Derivatives. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500284] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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Akbar S, Srinivasan K. Iron(iii) halide or iodine-promoted synthesis of 3-haloindene derivatives from o-alkynylarene chalcones. RSC Adv 2015. [DOI: 10.1039/c4ra14935a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The treatment of o-alkynylarene chalcones with ferric halides/iodine affords 3-haloindene derivatives in good yields.
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22
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Metal-Free 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)-Mediated Cross-Dehydrogenative-Coupling (CDC) of Benzylic C(sp3)H Bonds and Vinylic C(sp2)H Bonds: Efficient One-Pot Synthesis of 1H-Indenes. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400357] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Li Y, Cao L, Luo X, Deng WP. The synthesis of 1,2-diarylindenes via DDQ-mediated dehydrogenative intramolecular cyclization. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.088] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Muthusamy S, Sivaguru M. Atom-Economical Access to Highly Substituted Indenes and Furan-2-ones via Tandem Reaction of Diazo Compounds and Propargyl Alcohols. Org Lett 2014; 16:4248-51. [DOI: 10.1021/ol501942y] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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25
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Zhang X, Teo WT, Rao W, Ma DL, Leung CH, Chan PWH. Synthesis of highly substituted indene derivatives by Brønsted acid catalyzed Friedel–Crafts reaction of homoallylic alcohols. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.05.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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26
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Hu J, Qin HL, Xu W, Li J, Zhang F, Zheng H. TfOH-catalyzed synthesis of 3-aryl isoindolinones via a tandem reaction. Chem Commun (Camb) 2014; 50:15780-3. [DOI: 10.1039/c4cc06653g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A convenient method for the synthesis of 3-aryl isoindolinones via TfOH catalyzed C–H functionalization of arenes with 2-formylbenzonitriles is developed.
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Affiliation(s)
- Jiaxing Hu
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
| | - Hua-Li Qin
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
| | - Wengang Xu
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
| | - Junli Li
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
| | - Fanglin Zhang
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
| | - Hua Zheng
- Department of Pharmaceutical Engineering
- Wuhan University of Technology
- Wuhan, China
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27
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Somai Magar KB, Lee YR. Synthesis of Diverse Indene Derivatives from 1-Diazonaphthalen-2(1H)-ones via Thermal Cascade Reactions. Org Lett 2013; 15:4288-91. [DOI: 10.1021/ol4019908] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea
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28
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29
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Tang Y, Lv M, Liu X, Feng H, Liu L. Synthesis of β-Halo-pyrrolidinones through a Tandem Sequence of 5-Endo Halolactamization and C–H Oxidative Functionalization. Org Lett 2013; 15:1382-5. [DOI: 10.1021/ol400208f] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Yu Tang
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Mingcan Lv
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Xiaofan Liu
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Hejing Feng
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Liwei Liu
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
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30
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Basavaiah D, Reddy BS, Lingam H. Baylis–Hillman acetates in carbocyclic synthesis: a convenient protocol for synthesis of densely substituted indenes. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.12.069] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Usanov DL, Naodovic M, Brasholz M, Yamamoto H. Gold(I)-Catalyzed Cyclodehydration Enabled by the Triisopropylsilyl Group: A Synthetically Versatile Methodology. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201200176] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Liu L, Fan Y, He Q, Zhang Y, Zhang-Negrerie D, Huang J, Du Y, Zhao K. Synthesis of Functionalized Fluorescent Indenes from Electron-Rich α-Aryl Ketonitriles. J Org Chem 2012; 77:3997-4004. [DOI: 10.1021/jo300367q] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Le Liu
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yanfeng Fan
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Qiaoqiao He
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yun Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Daisy Zhang-Negrerie
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Jianhui Huang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Kang Zhao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
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33
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Synthesis of 2-bromo-1H-indenes via copper-catalyzed intramolecular cross-coupling of gem-dibromoolefins. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2011.11.102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Usanov DL, Yamamoto H. Formation of Five- and Seven-Membered Rings Enabled by the Triisopropylsilyl Auxiliary Group. Org Lett 2011; 14:414-7. [DOI: 10.1021/ol203209b] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Dmitry L. Usanov
- Department of Chemistry, The University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Hisashi Yamamoto
- Department of Chemistry, The University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
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35
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Panteleev J, Huang RY, Lui EKJ, Lautens M. Addition of Arylboronic Acids to Arylpropargyl Alcohols en Route to Indenes and Quinolines. Org Lett 2011; 13:5314-7. [DOI: 10.1021/ol202176g] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jane Panteleev
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada, M5S 3H6
| | - Richard Y. Huang
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada, M5S 3H6
| | - Erica K. J. Lui
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada, M5S 3H6
| | - Mark Lautens
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada, M5S 3H6
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36
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Bu X, Hong J, Zhou X. Synthesis of Substituted Indenes through Iron-Catalyzed Annulation of Benzylic Alcohols with Alkynes. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100065] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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37
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Wu YC, Li HJ, Liu L, Demoulin N, Liu Z, Wang D, Chen YJ. Hafnium Triflate as an Efficient Catalyst for Direct Friedel-Crafts Reactions of Chromene Hemiacetals. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201000930] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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38
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Zhu Y, Yin G, Hong D, Lu P, Wang Y. Tandem Reaction of Propargylic Alcohol, Sulfonamide, and N-Iodosuccinimide: Synthesis of N-(2-Iodoinden-1-yl)arenesulfonamide. Org Lett 2011; 13:1024-7. [DOI: 10.1021/ol103074d] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yuanxun Zhu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Guangwei Yin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Deng Hong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Ping Lu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yanguang Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
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39
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Zhou F, Han X, Lu X. Palladium(II)-Catalyzed Synthesis of Functionalized Indenes from o-Alkynylbenzylidene Ketones. J Org Chem 2011; 76:1491-4. [DOI: 10.1021/jo1023574] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Feng Zhou
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xiuling Han
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xiyan Lu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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40
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Emer E, Sinisi R, Capdevila MG, Petruzziello D, De Vincentiis F, Cozzi PG. Direct Nucleophilic S
N
1‐Type Reactions of Alcohols. European J Org Chem 2010. [DOI: 10.1002/ejoc.201001474] [Citation(s) in RCA: 260] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Enrico Emer
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
| | - Riccardo Sinisi
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
| | - Montse Guiteras Capdevila
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
| | - Diego Petruzziello
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
| | - Francesco De Vincentiis
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
| | - Pier Giorgio Cozzi
- ALMA MATER STUDIORUM, Università di Bologna, Dipartimento di Chimica “G. Ciamician”, via Selmi 2, 40126, Bologna, Italy, Fax: +39‐051‐2099456
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41
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Reddy BS, Reddy BB, Rao KR, Yadav J. Iodine/Et3SiH: a novel reagent system for the synthesis of 3-aryl-1H-indenes from 1,3-diaryl propargyl alcohols. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.08.061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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42
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Liu CR, Yang FL, Jin YZ, Ma XT, Cheng DJ, Li N, Tian SK. Catalytic Regioselective Synthesis of Structurally Diverse Indene Derivatives from N-Benzylic Sulfonamides and Disubstituted Alkynes. Org Lett 2010; 12:3832-5. [DOI: 10.1021/ol101524w] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cong-Rong Liu
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Fu-Lai Yang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yi-Zhou Jin
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xian-Tao Ma
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Dao-Juan Cheng
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Nan Li
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shi-Kai Tian
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
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43
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Yamazaki S, Yamamoto Y, Fukushima Y, Takebayashi M, Ukai T, Mikata Y. Lewis Acid Promoted Reactions of Ethenetricarboxylates with Allenes: Synthesis of Indenes and γ-Lactones via Conjugate Addition/Cyclization Reaction. J Org Chem 2010; 75:5216-22. [DOI: 10.1021/jo1009855] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shoko Yamazaki
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Yuko Yamamoto
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Yugo Fukushima
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Masachika Takebayashi
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Tetsuma Ukai
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Yuji Mikata
- KYOUSEI Science Center, Nara Women's University, Nara 630-8506, Japan
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44
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Smith CD, Rosocha G, Mui L, Batey RA. Investigation of Substituent Effects on the Selectivity of 4π-Electrocyclization of 1,3-Diarylallylic Cations for the Formation of Highly Substituted Indenes. J Org Chem 2010; 75:4716-27. [DOI: 10.1021/jo100275q] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Chris D. Smith
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Gregory Rosocha
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Leo Mui
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Robert A. Batey
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
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45
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Chatterjee PN, Roy S. Propargylic Activation Across a Heterobimetallic Ir−Sn Catalyst: Nucleophilic Substitution and Indene Formation with Propargylic Alcohols. J Org Chem 2010; 75:4413-23. [DOI: 10.1021/jo100189z] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Paresh Nath Chatterjee
- Organometallics and Catalysis Laboratory, Chemistry Department, Indian Institute of Technology, Kharagpur 721302, India
| | - Sujit Roy
- Organometallics and Catalysis Laboratory, Chemistry Department, Indian Institute of Technology, Kharagpur 721302, India
- Organometallics and Catalysis Laboratory, School of Basic Sciences, Indian Institute of Technology, Bhubaneswar 751013, India
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46
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Rao W, Chan PWH. Unexpected iron(iii) chloride-catalysed dimerisation of 1,1,3-trisubstituted-prop-2-yn-1-ols as an expedient route to highly conjugated indenes. Org Biomol Chem 2010; 8:4016-25. [DOI: 10.1039/c003522j] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Sanz R, Martínez A, García-García P, Fernández-Rodríguez MA, Rashid MA, Rodríguez F. Halocyclization of o-(alkynyl)styrenes. Synthesis of 3-halo-1H-indenes. Chem Commun (Camb) 2010; 46:7427-9. [DOI: 10.1039/c0cc02590a] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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48
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Zhang X, Teo WT, Chan PWH. Ytterbium(III) Triflate Catalyzed Tandem Friedel−Crafts Alkylation/Hydroarylation of Propargylic Alcohols with Phenols as an Expedient Route to Indenols. Org Lett 2009; 11:4990-3. [DOI: 10.1021/ol901981s] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoxiang Zhang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637616, Singapore
| | - Wan Teng Teo
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637616, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637616, Singapore
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49
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Efficient synthesis of indenes by FeCl3·6H2O-catalyzed intramolecular Friedel–Crafts reaction of aryl-substituted allylic alcohols. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.06.070] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Zhou H, Xie Y, Ren L, Wang K. Sulfur-Participated Nazarov-Type Cyclization: A Simple and Efficient Synthesis for 3-Thio-1H-indenes. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200900213] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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