1
|
Escandón-Mancilla FM, González-Rivas N, Unnamatla MVB, García-Eleno MA, Corona-Becerril D, Frontana-Uribe BA, Cuevas-Yañez E. Beyond 1,2,3-triazoles: Formation and Applications of Ketemines Derived from Copper Catalyzed Azide Alkyne Cycloaddition. Curr Org Synth 2024; 21:359-379. [PMID: 36177624 DOI: 10.2174/1570179420666220929152449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/12/2022] [Accepted: 09/05/2022] [Indexed: 11/22/2022]
Abstract
Ketemines represent an interesting class of organic intermediates that has undergone a regrowth as a consequence of recent extensions of copper catalyzed azide alkyne cycloaddition (Cu- AAC) to other synthetic fields. This review summarizes the most recent generation methods of ketimines from CuAAC reaction, highlighting chemical properties focused on the synthesis of cyclic compounds, among others, affording a general outlook towards the development of new biologically active compounds.
Collapse
Affiliation(s)
- Flor M Escandón-Mancilla
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
| | - Nelly González-Rivas
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Facultad de Química, Universidad Autónoma del Estado de México. Paseo Colón esq. Paseo Tollocan, 50120, Toluca, Mexico
| | - Murali V Basavanag Unnamatla
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Facultad de Química, Universidad Autónoma del Estado de México. Paseo Colón esq. Paseo Tollocan, 50120, Toluca, Mexico
| | - Marco A García-Eleno
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Facultad de Química, Universidad Autónoma del Estado de México. Paseo Colón esq. Paseo Tollocan, 50120, Toluca, Mexico
| | - David Corona-Becerril
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Facultad de Química, Universidad Autónoma del Estado de México. Paseo Colón esq. Paseo Tollocan, 50120, Toluca, Mexico
| | - Bernardo A Frontana-Uribe
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, 04510, Mexico
| | - Erick Cuevas-Yañez
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carretera Toluca-Atlacomulco Km. 14.5, Toluca, Estado de México, 50200, Mexico
- Facultad de Química, Universidad Autónoma del Estado de México. Paseo Colón esq. Paseo Tollocan, 50120, Toluca, Mexico
| |
Collapse
|
2
|
Qin X, Zou N, Nong C, Mo D. Recent Advances on the Synthesis of Nine-Membered N-Heterocycles. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202206035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
|
3
|
Li TP, Li RS, Hu W, Xie JX, Xu M, Feng C, Ni HL, Yu WH, Hu P, Wang BQ, Cao P. Modular Synthesis of Enantioenriched α-Chiral Homoallylic Amidines Enabled by Relay Ir/Cu Catalysis. Org Lett 2022; 24:6783-6788. [PMID: 36074995 DOI: 10.1021/acs.orglett.2c02655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cascade of Ir-catalyzed enantioselective allylic amination and Cu-catalyzed alkyne-azide cycloaddition was designed for the asymmetric synthesis of homoallylic amidines. The nucleophilic addition of an in situ-generated enantioenriched tertiary allylamine to a ketenimine intermediate triggers a rapid and stereospecific zwitterionic aza-Claisen rearrangement in a 1,3-chiral transfer manner. The approach allows modular access to enantioenriched α-chiral homoallylic amidines in high yields with a high level of enantiomeric purity.
Collapse
Affiliation(s)
- Ting-Peng Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Ren-Sha Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Wei Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Jia-Xin Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Minghui Xu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Chun Feng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Hai-Liang Ni
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Wen-Hao Yu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China.,College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Ping Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Bi-Qin Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Peng Cao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| |
Collapse
|
4
|
Bahadorikhalili S, Divar M, Damghani T, Moeini F, Ghassamipour S, Iraji A, Miller MA, Larijani B, Mahdavi M. N-sulfonyl ketenimine as a versatile intermediate for the synthesis of heteroatom containing compounds. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121773] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|
5
|
Dai RH, Wang Q, Chen ZX, Tian SK. Asymmetric Aza-Claisen Rearrangement between Enantioenriched α-Chiral Allylamines and Allenones. J Org Chem 2021; 86:3065-3073. [PMID: 33417470 DOI: 10.1021/acs.joc.0c02721] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An unprecedented asymmetric aza-Claisen rearrangement between enantioenriched α-chiral allylamines and allenones was found to proceed in the absence of catalysts and additives at room temperature. The rearrangement, followed by hydrolysis, provides convenient access to structurally diverse δ-chiral β-diketones in good to excellent yields with excellent retention of enantiopurity. This protocol proved powerful for the construction of an all-carbon quaternary stereocenter with high enantiopurity.
Collapse
Affiliation(s)
- Rui-Han Dai
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis (CAS), and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Qi Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis (CAS), and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhi-Xiong Chen
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis (CAS), and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shi-Kai Tian
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis (CAS), and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China.,Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| |
Collapse
|
6
|
Wu JY, Liao WJ, Lin XY, Liang CF. A facile access to N-sulfonylthioimidates and their use for the transformation to 3,4-dihydroquinazolines. Org Biomol Chem 2020; 18:8881-8885. [PMID: 33107883 DOI: 10.1039/d0ob01963a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
N-Sulfonylthioimidates can be efficiently synthesized through one-pot three-component coupling of terminal alkynes, sulfonyl azides, and thiols by using a copper(i) catalyst in the presence of 4-dimethylaminopyridine. The proposed reaction is characterized by mild reaction conditions and tolerance of diverse functional groups. Additionally, the crucial pharmacophore of 3,4-dihydroquinazolines was synthesized using a one-pot synthetic strategy from N-sulfonylthioimidates.
Collapse
Affiliation(s)
- Jia-Yu Wu
- Department of Chemistry, National Chung Hsing University, Taichung, 402, Taiwan.
| | | | | | | |
Collapse
|
7
|
Wang CG, Wu R, Li TP, Jia T, Li Y, Fang D, Chen X, Gao Y, Ni HL, Hu P, Wang BQ, Cao P. Copper(I)-Catalyzed Ketenimine Formation/Aza-Claisen Rearrangement Cascade for Stereoselective Synthesis of α-Allylic Amidines. Org Lett 2020; 22:3234-3238. [PMID: 32233500 DOI: 10.1021/acs.orglett.0c01012] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A copper-catalyzed three-component reaction of terminal alkynes, TsN3, and tertiary allylic amines is developed toward the one-pot synthesis of α-allylic amidines. The product was synthesized on gram scale under 1 mol % of catalyst loading. Transformations of products into alkenyl amine and other nitrogen-containing compounds are demonstrated without any loss of stereochemical information.
Collapse
Affiliation(s)
- Cheng-Gang Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Rui Wu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Ting-Peng Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Tao Jia
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Yang Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Dongmei Fang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiaozhen Chen
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yuanji Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Hai-Liang Ni
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Ping Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Bi-Qin Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Peng Cao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| |
Collapse
|
8
|
Liu Y, Xie P, Li J, Bai WJ, Jiang J. Nickel-Catalyzed Coupling of N-Sulfonyl-1,2,3-triazole with H-Phosphine Oxides: Stereoselective and Site-Selective Synthesis of α-Aminovinylphosphoryl Derivatives. Org Lett 2019; 21:4944-4949. [DOI: 10.1021/acs.orglett.9b01288] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yang Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Peng Xie
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Jiagen Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Wen-Ju Bai
- Department of Chemistry, Stanford University, Stanford, California 94305-5580, United States
| | - Jun Jiang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| |
Collapse
|
9
|
Zhang J, Liao Z, Chen L, Zhu S. Rapid Access to Oxa‐Bridged Bicyclic Skeletons through Gold‐Catalyzed Tandem Rearrangement Reaction. Chemistry 2019; 25:9405-9409. [DOI: 10.1002/chem.201900807] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/12/2019] [Indexed: 01/26/2023]
Affiliation(s)
- Jiantao Zhang
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Zhehui Liao
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Lianfen Chen
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
- Guangdong Engineering Research Center for Green Fine ChemicalsSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| |
Collapse
|
10
|
Gao X, Xia M, Yuan C, Zhou L, Sun W, Li C, Wu B, Zhu D, Zhang C, Zheng B, Wang D, Guo H. Enantioselective Synthesis of Chiral Medium-Sized Cyclic Compounds via Tandem Cycloaddition/Cope Rearrangement Strategy. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04590] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xing Gao
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Miaoren Xia
- Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Chunhao Yuan
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Leijie Zhou
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Wei Sun
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Cheng Li
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Bo Wu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Dongyu Zhu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Cheng Zhang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Bing Zheng
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Dongqi Wang
- Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| |
Collapse
|
11
|
Kumar R, Thorat SH, Reddy MS. Cu-Catalyzed iminative hydroolefination of unactivated alkynes en route to 4-imino-tetrahydropyridines and 4-aminopyridines. Chem Commun (Camb) 2018; 52:13475-13478. [PMID: 27790654 DOI: 10.1039/c6cc08081b] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A general method for synthesizing 4-imino tetrahydropyridine derivatives is achieved, from readily available β-enaminones and sulfonyl azides, which comprises a sequential copper catalyzed ketenimine formation and its hitherto inaccessible intramolecular hydrovinylation. The products are shown as ready precursors for highly valuable 4-sulfonamidopyridine derivatives via DDQ mediated oxidation.
Collapse
Affiliation(s)
- Ravi Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram extension, Sitapur Road, Lucknow 226031, India. and Academy of Scientific and Innovative Research, New Delhi 110001, India
| | - Shridhar H Thorat
- Centre for Materials Characterization, CSIR-NCL, Dr Homi Bhabha Road, Pune-411008, India
| | - Maddi Sridhar Reddy
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram extension, Sitapur Road, Lucknow 226031, India. and Academy of Scientific and Innovative Research, New Delhi 110001, India
| |
Collapse
|
12
|
Wang S, An XD, Li SS, Liu X, Liu Q, Xiao J. Hydride transfer initiated ring expansion of pyrrolidines toward highly functionalized tetrahydro-1-benzazepines. Chem Commun (Camb) 2018; 54:13833-13836. [DOI: 10.1039/c8cc08238c] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first example of ring expansion from a five-membered nitrogen-containing ring to a seven-membered heterocyclic ring has been developed.
Collapse
Affiliation(s)
- Shuai Wang
- Shandong Province Key Laboratory of Applied Mycology
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| | - Xiao-De An
- Shandong Province Key Laboratory of Applied Mycology
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| | - Shuai-Shuai Li
- Shandong Province Key Laboratory of Applied Mycology
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| | - Xicheng Liu
- College of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Qing Liu
- College of Chemical and Environmental Engineering
- Shandong University of Science and Technology
- Qingdao 266590
- China
| | - Jian Xiao
- Shandong Province Key Laboratory of Applied Mycology
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| |
Collapse
|
13
|
Nallagangula M, Namitharan K. Copper-Catalyzed Sulfonyl Azide-Alkyne Cycloaddition Reactions: Simultaneous Generation and Trapping of Copper-Triazoles and -Ketenimines for the Synthesis of Triazolopyrimidines. Org Lett 2017; 19:3536-3539. [PMID: 28609631 DOI: 10.1021/acs.orglett.7b01500] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
First simultaneous generation and utilization of both copper-triazole and -ketenimine intermediates in copper-catalyzed sulfonyl azide-alkyne cycloaddition reactions is achieved for the one-pot synthesis of triazolopyrimidines via a novel copper-catalyzed multicomponent cascade of sulfonyl azides, alkynes, and azirines. Significantly, the reaction proceeds under very mild conditions in good yields.
Collapse
Affiliation(s)
- Madhu Nallagangula
- Organic Synthesis and Catalysis Laboratory, SRM Research Institute, SRM University , Chennai-603203, India
| | - Kayambu Namitharan
- Organic Synthesis and Catalysis Laboratory, SRM Research Institute, SRM University , Chennai-603203, India
| |
Collapse
|
14
|
Shojaei S, Ghasemi Z, Shahrisa A. Cu(I)@Fe
3
O
4
nanoparticles supported on imidazolium‐based ionic liquid‐grafted cellulose: Green and efficient nanocatalyst for multicomponent synthesis of
N
‐sulfonylamidines and
N
‐sulfonylacrylamidines. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3788] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Salman Shojaei
- Department of Organic and Biochemistry, Faculty of ChemistryUniversity of Tabriz Tabriz 5166614766 Iran
| | - Zarrin Ghasemi
- Department of Organic and Biochemistry, Faculty of ChemistryUniversity of Tabriz Tabriz 5166614766 Iran
| | - Aziz Shahrisa
- Department of Organic and Biochemistry, Faculty of ChemistryUniversity of Tabriz Tabriz 5166614766 Iran
| |
Collapse
|
15
|
Chen J, Long W, Fang S, Yang Y, Wan X. Interception of amide ylides with sulfonamides: synthesis of (E)-N-sulfonyl amidines catalyzed by Zn(OTf)2. Chem Commun (Camb) 2017; 53:13256-13259. [DOI: 10.1039/c7cc07364j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Through the interception of amide ylides with sulfonamides, we herein report an intermolecular condensation reaction between sulfonamides and common amides.
Collapse
Affiliation(s)
- Jijun Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Wenhao Long
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Shangwen Fang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Yonggang Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| |
Collapse
|
16
|
Ramanathan D, Namitharan K, Pitchumani K. Copper(i)–Y zeolite catalyzed N-sulfonylketenimine mediated annulation of hydroxynaphthoquinones: syntheses of naphtho[2,1-b]furan-2,5-diones and benzo[de]chromene-2,6-diones. Chem Commun (Camb) 2016; 52:8436-9. [DOI: 10.1039/c6cc03571j] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An efficient, one pot synthesis of novel naphtho[2,1-b]furan-2,5-diones and benzo[de]chromene-2,6-diones was reported using copper(i)–Y zeolite as catalyst.
Collapse
Affiliation(s)
| | | | - Kasi Pitchumani
- School of Chemistry
- Madurai Kamaraj University
- Madurai – 625 021
- India
- Centre for Green Chemistry Processes
| |
Collapse
|