1
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Palladium-catalyzed carbonylative cyclization of alkene-tethered indoles with phenols or arylboronic acids: construction of carbonyl-containing indolo[2,1-a]isoquinoline derivatives. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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2
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Zhang J, Yang Z, Yu JT, Pan C. Three-component synthesis of arylsulfonyl-substituted indolo[2,1- a]isoquinolinones and benzimidazo-[2,1- a]isoquinolin-6(5 H)-ones by SO 2 insertion and radical cascade cyclization. Org Biomol Chem 2022; 20:3067-3071. [PMID: 35348170 DOI: 10.1039/d2ob00409g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An efficient arylsulfonylation/cyclization of 2-aryl-N-methacryloyl indoles with potassium metabisulfite and aryldiazonium tetrafluoroborates was developed. A series of variously substituted arylsulfonyl indolo[2,1-a]isoquinolin-6(5H)-ones were formed in moderate to good yields via utilization of the nature abundant inorganic salt potassium metabisulfite as a SO2 surrogate. Additionally, this three-component protocol can also be employed for the synthesis of arylsulfonyl-substituted benzimidazo-[2,1-a]isoquinolin-6(5H)-ones.
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Affiliation(s)
- Jie Zhang
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Zixian Yang
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Jin-Tao Yu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Changduo Pan
- School of Chemical and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, P. R. China
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3
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Mehmood H, Iqbal MA, Hua R. A concise synthesis of indolo[2,1-a]isoquinoline via alkyne annulations promoted by base. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2021.153566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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4
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Synthesis of arylsulfonyl-substituted indolo[2,1-a]isoquinolin-6(5H)-one derivatives via a TBAI-catalyzed radical cascade cyclization. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.06.081] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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5
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Hammouda MM, Elattar KM. Recent progress in the chemistry of β-aminoketones. RSC Adv 2022; 12:24681-24712. [PMID: 36128366 PMCID: PMC9428906 DOI: 10.1039/d2ra03864a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/17/2022] [Indexed: 11/21/2022] Open
Abstract
The current study highlighted the significance of β-aminoketones as privileged biologically active molecules, recent synthetic strategies, and synthetic applications.
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Affiliation(s)
- Mohamed M. Hammouda
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
- Chemistry Department, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
| | - Khaled M. Elattar
- Unit of Genetic Engineering and Biotechnology, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
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6
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Wang X, Lou C, Lv L, Li Z. Annulative π-Extension (APEX) of Indoles to Pyrido[1,2- a]indoles Using 4-Oxo Peroxides as C4 Units. Org Lett 2021; 23:5978-5982. [PMID: 34263600 DOI: 10.1021/acs.orglett.1c02062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Annulative π-extension (APEX) of 3-substituted indoles to pyrido[1,2-a]indoles is developed by using 4-oxo peroxides as π-extending reagents, which are employed as versatile C4 building blocks. This transformation is initiated by Brønsted acid-mediated Hock rearrangement of the peroxyl group. Notably, the pyrido[1,2-a]indole products are obtained by elimination of the indole moiety from the corresponding dihydropyrido[1,2-a]indoles, which could be selectively formed at room temperature.
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Affiliation(s)
- Xin Wang
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Chenhao Lou
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Leiyang Lv
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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7
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Yao Y, Alami M, Hamze A, Provot O. Recent advances in the synthesis of pyrido[1,2-a]indoles. Org Biomol Chem 2021; 19:3509-3526. [DOI: 10.1039/d1ob00153a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review deals with the different accesses leading to the pyrido[1,2-a]indole nucleus in the last 20 years.
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Affiliation(s)
- Yunxin Yao
- Université Paris-Saclay
- CNRS
- BioCIS
- 92290 Châtenay-Malabry
- France
| | - Mouad Alami
- Université Paris-Saclay
- CNRS
- BioCIS
- 92290 Châtenay-Malabry
- France
| | - Abdallah Hamze
- Université Paris-Saclay
- CNRS
- BioCIS
- 92290 Châtenay-Malabry
- France
| | - Olivier Provot
- Université Paris-Saclay
- CNRS
- BioCIS
- 92290 Châtenay-Malabry
- France
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8
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Chen Y, Xia L, Chang Y, Ma W, Wang B. Application of N-Alkyl Amines as Versatile Building Blocks in Oxidative Coupling Reactions. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202009034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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9
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Zhang J, Liu H, Fan T, Chen Y, Xu Y. Synthesis of Indolo[2,1‐a]isoquinolin‐6(5H)‐Ones Derivatives
via
Fe(OTf)
3
‐Promoted Tandem Selenylation/Cyclization of 2‐Arylindoles. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000983] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Jia‐Rong Zhang
- Pharmacy School of Guilin Medical University Guilin 541004 People's Republic of China
| | - Hao‐Yang Liu
- Pharmacy School of Guilin Medical University Guilin 541004 People's Republic of China
| | - Tao Fan
- Pharmacy School of Guilin Medical University Guilin 541004 People's Republic of China
| | - Yan‐Yan Chen
- Pharmacy School of Guilin Medical University Guilin 541004 People's Republic of China
| | - Yan‐Li Xu
- Pharmacy School of Guilin Medical University Guilin 541004 People's Republic of China
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10
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Wada Y, Kurono N, Senboku H, Orito K. Synthesis of indolo[2,1‐
a
]isoquinolines by
CF
3
COOH
‐induced cyclization. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yasuhiro Wada
- Division of Molecular Chemistry, Graduate School of Engineering Hokkaido University Sapporo Japan
- Pharmaceutical Research Center Asahi Kasei Pharma Corporation Izunokuni Japan
| | - Nobuhito Kurono
- Division of Molecular Chemistry, Graduate School of Engineering Hokkaido University Sapporo Japan
- Department of Integrated Human Sciences Hamamatsu University, School of Medicine Hamamatsu Japan
| | - Hisanori Senboku
- Division of Molecular Chemistry, Graduate School of Engineering Hokkaido University Sapporo Japan
- Division of Applied Chemistry, Faculty of Engineering Hokkaido University Sapporo Japan
| | - Kazuhiko Orito
- Division of Molecular Chemistry, Graduate School of Engineering Hokkaido University Sapporo Japan
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11
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Liu P, Yang M, Gong Y, Yu Y, Zhao YL. Copper-Catalyzed Cascade Cyclization Reaction of Enamines and Electron-Deficient Terminal Alkynes: Synthesis of Polysubstituted Pyrido[1,2-a]indoles. Org Lett 2019; 22:36-40. [DOI: 10.1021/acs.orglett.9b03739] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pei Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Ming Yang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yue Gong
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yang Yu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yu-Long Zhao
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
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12
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Zhang TS, Yang L, Cai PJ, Tu SJ, Jiang B. Silver-Catalyzed Nitration/Annulation of α-Alkynyl Arylols toward 3-Nitrated Benzofurans. Chem Asian J 2019; 14:4383-4388. [PMID: 31777196 DOI: 10.1002/asia.201901400] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/03/2019] [Indexed: 12/28/2022]
Abstract
A silver-catalyzed nitration/annulation of α-alkynyl arylols is reported by using tert-butyl nitrite (TBN) as a NO2 radical precursor, from which a set of 3-nitrated benzofurans were synthesized with moderate to good yields. This transformation initiated by an in situ generated NO2 radical proceeds efficiently under mild and neutral redox conditions, which provides a new pathway toward the 3-nitrobenzofuran framework via catalytic difunctionalization of internal alkynes.
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Affiliation(s)
- Tian-Shu Zhang
- School of Chemical Engineering&Technology, China University of Mining and Technology, Xuzhou, 221116, P. R. China
| | - Lei Yang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Pei-Jun Cai
- School of Chemical Engineering&Technology, China University of Mining and Technology, Xuzhou, 221116, P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
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