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He F, Sun Z, Xu Y, Yu J, Li W, Miao H, Wu C. Photoinduced [3+2] Cycloaddition of Alkyl-Acceptor Diazoalkanes: Diversity-Oriented Synthesis of Pyrazolines Containing a Quaternary Center. Org Lett 2024; 26:4031-4036. [PMID: 38277125 DOI: 10.1021/acs.orglett.3c04296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
We present a new [3+2] cycloaddition reaction between alkyl-acceptor diazoalkanes under visible light irradiation. By employing easily accessible alkyl-acceptor-type diazoalkanes or their precursor hydrazones as both 1,3-dipoles and dipolarophiles, a diverse range of pyrazoline derivatives featuring a quaternary center have been efficiently synthesized in a predictable manner, with excellent functional group tolerance and good yields. Furthermore, scale-up experiments and downstream transformations of the product were also detailed.
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Affiliation(s)
- Fengya He
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Ziyi Sun
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Yiwei Xu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Jingwen Yu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Wenyong Li
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
| | - Hui Miao
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
| | - Chenggui Wu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
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2
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Lu JB, Liang SY, Gui WT, Chen ZC, Du W, Chen YC. Asymmetric Assemblies of 1,3-Dienes, Sulfuric Diamide, and Aldehydes to Access 1,3-Diamines through Relay Amine/Palladium Catalysis. Org Lett 2023; 25:576-580. [PMID: 36475779 DOI: 10.1021/acs.orglett.2c03762] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A relay catalytic protocol using pyrrolidine and palladium catalysis has been developed for asymmetric synthesis of 1,3-diamine derivatives from 3-substituted 1,3-dienes, sulfuric diamide, and aldehydes. This one-pot, three-component reaction features the advantages of a high atom step economy and operational simplicity, providing an efficient and straightforward access to valuable 1,3-diamines incorporating quaternary and tertiary stereogenic centers with moderate to good enantioselectivity.
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Affiliation(s)
- Jian-Bin Lu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Shu-Yuan Liang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Wu-Tao Gui
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhi-Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ying-Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.,College of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
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3
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Dong K, Liu M, Xu X. Recent Advances in Catalytic Alkyne Transformation via Copper Carbene Intermediates. Molecules 2022; 27:3088. [PMID: 35630567 PMCID: PMC9144650 DOI: 10.3390/molecules27103088] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 02/01/2023] Open
Abstract
As one of the abundant and inexpensive metals on the earth, copper has demonstrated broad applications in synthetic chemistry and catalysis. Among these copper-catalyzed advances, copper carbenes are versatile and reactive intermediates that can mediate a variety of transformations, which have attracted much attention in the past decades. The present review summarizes two different reaction models that take place between a copper carbene intermediate and alkyne species, including the cross-coupling reaction of copper carbene intermediate with terminal alkyne, and the addition of copper carbene intermediate onto the C-C triple bond. This article will cover the profile from 2010 to 2021 by placing emphasis on the detailed catalytic models and highlighting the synthetic applications offered by these practical and mild methods.
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Affiliation(s)
- Kuiyong Dong
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Mengting Liu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China;
| | - Xinfang Xu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China;
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4
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Cao VD, Kim H, Kwak J, Joung S. (3 + 2) Cycloaddition Reaction of the Endocyclic N-Silyl Enamine and N, N′-Cyclic Azomethine Imine. Org Lett 2022; 24:1974-1978. [DOI: 10.1021/acs.orglett.2c00366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Vinh Do Cao
- Department of Chemistry, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Huiae Kim
- Department of Chemistry, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Jaesung Kwak
- Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Seewon Joung
- Department of Chemistry, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
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5
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Zhang X, Wang H, Xie L, You C, Han X, Weng Z. Copper-Catalyzed Synthesis of 5-Aryl-6-(Trifluoromethyl)-2,3-Dihydropyrazolo[1,2-a]Pyrazol-1(5H)-One. Chem Asian J 2021; 16:2669-2673. [PMID: 34313007 DOI: 10.1002/asia.202100693] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/20/2021] [Indexed: 11/11/2022]
Abstract
An efficient protocol for the synthesis of 5-aryl-6-(trifluoromethyl)-2,3-dihydropyrazolo[1,2-a]pyrazol-1(5H)-one derivatives through a copper-catalyzed [3+2]-cycloaddition of azomethine imines with 3,3,3-trifluoropropyne (generated in situ from dehydrobromination of 2-bromo-3,3,3-trifluoropropene under base conditions) is developed. The advantages of this transformation are the broad substrate scope and the good functional group compatibility. The subsequent oxidation and nucleophilic substitution/aromatization provide a new approach to 4-trifluoromethylated pyrazol-1-yl propanoic acids.
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Affiliation(s)
- Xinyu Zhang
- Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials and Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Hui Wang
- Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials and Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Lili Xie
- Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials and Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Chenhui You
- Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials and Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xiaoyan Han
- Testing and Analysis Center, Soochow University, Suzhou, 215123, P. R. China
| | - Zhiqiang Weng
- Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials and Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
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6
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Vahedpour T, Hamzeh‐Mivehroud M, Hemmati S, Dastmalchi S. Synthesis of 2‐Pyrazolines from Hydrazines: Mechanisms Explained. ChemistrySelect 2021. [DOI: 10.1002/slct.202101467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Teymour Vahedpour
- Biotechnology Research Center Tabriz University of Medical Sciences Tabriz Iran
- Department of Medicinal Chemistry School of Pharmacy Tabriz University of Medical Sciences Tabriz Iran
| | - Maryam Hamzeh‐Mivehroud
- Biotechnology Research Center Tabriz University of Medical Sciences Tabriz Iran
- Department of Medicinal Chemistry School of Pharmacy Tabriz University of Medical Sciences Tabriz Iran
| | - Salar Hemmati
- Drug Applied Research Center Tabriz University of Medical Sciences Tabriz Iran
- Pharmaceutical Analysis Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Siavoush Dastmalchi
- Biotechnology Research Center Tabriz University of Medical Sciences Tabriz Iran
- Department of Medicinal Chemistry School of Pharmacy Tabriz University of Medical Sciences Tabriz Iran
- Faculty of Pharmacy Near East University Nicosia, North Cyprus, Mersin 10 Turkey
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8
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Sugimoto K, Kosuge S, Sugita T, Miura Y, Tsuge K, Matsuya Y. Au(I) Catalyzed Synthesis of Densely Substituted Pyrazolines and Dihydropyridines via Sequential Aza-Enyne Metathesis/6π-Electrocyclization. Org Lett 2021; 23:3981-3985. [PMID: 33979152 DOI: 10.1021/acs.orglett.1c01171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A gold(I) autotandem catalysis protocol is reported for the de novo synthesis of densely substituted pyrazolines and dihydropyridines from the corresponding imine derivatives in a highly regioselective fashion via a one-pot aza-enyne metathesis/6π-electrocyclization sequence. The substituents on the nitrogen atom of the imine perfectly control the reaction pathways from the pivotal 1-azabutadiene intermediate; thus, carbazates were converted into pyrazolines via 6π-electrocyclization of α,β-unsaturated hydrazones, while aryl imines provided dihydropyridines via 6π-electrocyclization of 3-azahexatrienes.
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Affiliation(s)
- Kenji Sugimoto
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Shuto Kosuge
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Takae Sugita
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Yuka Miura
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Kiyoshi Tsuge
- Faculty of Science, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
| | - Yuji Matsuya
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
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9
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Takagi R, Sakai Y, Duong DT. Bis(trifluoromethanesulfonimide) (BSI): Acidity and application to hydrofunctionalization as a Brønsted acid catalyst. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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10
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Yang C, Wu TR, Li Y, Wu BB, Jin RX, Hu DD, Li YB, Bian KJ, Wang XS. Facile synthesis of axially chiral styrene-type carboxylic acids via palladium-catalyzed asymmetric C-H activation. Chem Sci 2021; 12:3726-3732. [PMID: 34163646 PMCID: PMC8179534 DOI: 10.1039/d0sc06661c] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 01/19/2021] [Indexed: 12/27/2022] Open
Abstract
A novel method by a one-step introduction of axial chirality and sterically hindered group has been developed for facile synthesis of axially chiral styrene-type carboxylic acids. With the palladium-catalyzed C-H arylation and olefination of readily available cinnamic acid established, this transformation demonstrated excellent yield, excellent stereocontrol (up to 99% yield and 99% ee), and broad substrate scope under mild conditions. The axially chiral styrene-type carboxylic acids produced have been successfully applied to Cp*CoIII-catalyzed asymmetric C-H activation reactions, indicating their potential as chiral ligands or catalysts in asymmetric synthesis.
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Affiliation(s)
- Chi Yang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Tian-Rui Wu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Yan Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Bing-Bing Wu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Ruo-Xing Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Duo-Duo Hu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Yuan-Bo Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Kang-Jie Bian
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
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11
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Sau M, Verma K, Das T. Synthesis of N‐heterocycles via [4 + 3] cycloaddition of azomethine imine. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Madan Sau
- Department of Chemistry NIT Jamshedpur Jamshedpur India
| | - Kshitiz Verma
- Department of Chemistry NIT Jamshedpur Jamshedpur India
| | - Tapas Das
- Department of Chemistry NIT Jamshedpur Jamshedpur India
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12
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13
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Shi Y, Wang G, Chen Z, Wu M, Wang J, Trigoura L, Guo H, Xing Y, Sun S. Synthesis of spiro(indoline‐3,1′‐pyrazolo[1,2‐
a
]pyrazoles) by 1,3‐dipolar cycloadditions of isatin
N
,
N
′‐cyclic azomethine imines with alkynes. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yang Shi
- School of Pharmacy, Hubei University of Science and Technology, Xianning, China
- Department of ChemistryWilliam Paterson University of New Jersey Wayne New Jersey
- School of Pharmaceutical SciencesTsinghua University Beijing China
| | - Gangqiang Wang
- School of Pharmaceutical SciencesTsinghua University Beijing China
| | - Zhiyu Chen
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & BiologyHubei University of Science and Technology Xianning China
- School of Pharmaceutical SciencesTsinghua University Beijing China
| | - Minghu Wu
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & BiologyHubei University of Science and Technology Xianning China
| | - Jian Wang
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & BiologyHubei University of Science and Technology Xianning China
- School of Pharmaceutical SciencesTsinghua University Beijing China
| | - Leslie Trigoura
- Department of ChemistryWilliam Paterson University of New Jersey Wayne New Jersey
| | - Haibing Guo
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & BiologyHubei University of Science and Technology Xianning China
| | - Yalan Xing
- Department of ChemistryWilliam Paterson University of New Jersey Wayne New Jersey
| | - Shaofa Sun
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & BiologyHubei University of Science and Technology Xianning China
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14
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Ring opening [3 + 2] cyclization of azaoxyallyl cations with benzo[d]isoxazoles: Efficient access to 2-hydroxyaryl-oxazolines. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.09.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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15
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Allylic Acetals as Acrolein Oxonium Precursors in Tandem C−H Allylation and [3+2] Dipolar Cycloaddition. Angew Chem Int Ed Engl 2019; 58:9470-9474. [DOI: 10.1002/anie.201903983] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 04/27/2019] [Indexed: 12/19/2022]
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16
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Lee H, Kang D, Han SH, Chun R, Pandey AK, Mishra NK, Hong S, Kim IS. Allylic Acetals as Acrolein Oxonium Precursors in Tandem C−H Allylation and [3+2] Dipolar Cycloaddition. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Heeyoung Lee
- School of PharmacySungkyunkwan University Suwon 16419 Republic of Korea
| | - Dahye Kang
- Center for Catalytic Hydrocarbon FunctionalizationsInstitute for Basic Science (IBS) Daejeon 34141 Republic of Korea
- Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Sang Hoon Han
- School of PharmacySungkyunkwan University Suwon 16419 Republic of Korea
| | - Rina Chun
- School of PharmacySungkyunkwan University Suwon 16419 Republic of Korea
| | | | | | - Sungwoo Hong
- Center for Catalytic Hydrocarbon FunctionalizationsInstitute for Basic Science (IBS) Daejeon 34141 Republic of Korea
- Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - In Su Kim
- School of PharmacySungkyunkwan University Suwon 16419 Republic of Korea
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17
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Wu CY, Xu MH. Construction of Chiral 1,3-Diamines through Rhodium-Catalyzed Asymmetric Arylation of Cyclic N-Sulfonyl Imines. Org Lett 2019; 21:5035-5039. [DOI: 10.1021/acs.orglett.9b01633] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chun-Yan Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu-chongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu-chongzhi Road, Shanghai 201203, China
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Boulevard, Shenzhen 518055, China
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18
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Shen S, Yang Y, Duan J, Jia Z, Liang J. Solvent incorporated sequential [3 + 2] annulation/substitution reaction of azomethine imines and propargyl sulfur ylide. Org Biomol Chem 2019; 16:1068-1072. [PMID: 29364309 DOI: 10.1039/c7ob03012f] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel solvent incorporated sequential [3 + 2] cycloaddition/substitution reaction of azomethine imines with propargyl sulfur ylide was developed. In the actual three-component reaction, propargyl sulfur ylide acts as a dipole reagent to furnish the annulation with azomethine imines, followed by the protic solvents acting as nucleophiles. The simple, mild, catalyst-free and practical protocol allows for the formation of N,N-bicyclic pyrazolidinones in moderate to excellent yields. Further transformation and gram-scale operations could also be achieved efficiently.
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Affiliation(s)
- Shoujie Shen
- Key Laboratory of Magnetic Molecules, Magnetic Information Materials Ministry of Education, The School of Chemical and Materia Science, Shanxi Normal University, Linfen, 041004, PR China. shoujie_shen @outlook.com
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19
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Chen B, Chu WD, Liu QZ. Formal [4 + 1] cycloaddition of in situ generated 1,2-diaza-1,3-dienes with diazo esters: facile approaches to dihydropyrazoles containing a quaternary center. RSC Adv 2019; 9:1487-1490. [PMID: 35518004 PMCID: PMC9059575 DOI: 10.1039/c8ra08909d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 01/02/2019] [Indexed: 01/04/2023] Open
Abstract
A Cu(ii)/bisoxazoline ligand-promoted formal [4 + 1] cycloaddition of diazo esters with azoalkenes formed in situ has been developed. This strategy provides a potential protocol for the construction of dihydropyrazoles containing a quaternary center with good to excellent yields.
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Affiliation(s)
- Bo Chen
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University No. 1, Shida Road Nanchong 637002 P. R. China
| | - Wen-Dao Chu
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University No. 1, Shida Road Nanchong 637002 P. R. China
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University No. 1, Shida Road Nanchong 637002 P. R. China
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Babu SA, Krishnan KK, Ujwaldev SM, Anilkumar G. Applications of Pybox Complexes in Asymmetric Catalysis. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800094] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sheba Ann Babu
- School of Chemical Sciences; Mahatma Gandhi University, Priyadarsini Hills; Kottayam Kerala 686560 India
| | - K. Keerthi Krishnan
- School of Chemical Sciences; Mahatma Gandhi University, Priyadarsini Hills; Kottayam Kerala 686560 India
| | - S. M. Ujwaldev
- School of Chemical Sciences; Mahatma Gandhi University, Priyadarsini Hills; Kottayam Kerala 686560 India
| | - Gopinathan Anilkumar
- School of Chemical Sciences; Mahatma Gandhi University, Priyadarsini Hills; Kottayam Kerala 686560 India
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21
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Grošelj U, Svete J, Al Mamari HH, Požgan F, Štefane B. Metal-catalyzed [3+2] cycloadditions of azomethine imines. Chem Heterocycl Compd (N Y) 2018. [DOI: 10.1007/s10593-018-2258-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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22
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Synthesis of Non-Racemic Pyrazolines and Pyrazolidines by [3+2] Cycloadditions of Azomethine Imines. Molecules 2017; 23:molecules23010003. [PMID: 29267229 PMCID: PMC5943927 DOI: 10.3390/molecules23010003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 12/12/2017] [Accepted: 12/12/2017] [Indexed: 01/25/2023] Open
Abstract
Asymmetric [3+2] cycloadditions of azomethine imines comprise a useful synthetic tool for the construction of pyrazole derivatives with a variable degree of saturation and up to three stereogenic centers. As analogues of pyrrolidines and imidazolidines that are abundant among natural products, pyrazoline and pyrazolidine derivatives represent attractive synthetic targets due to their extensive applications in the chemical and medicinal industries. Following the increased understanding of the mechanistic aspect of metal-catalyzed and organocatalyzed [3+2] cycloadditions of 1,3-dipoles gained over recent years, significant strides have been taken to design and develop new protocols that proceed efficiently under mild synthetic conditions and duly benefit from superior functional group tolerance and selectivity. In this review, we represent the current state of the art in this field and detailed methods for the synthesis of non-racemic pyrazolines and pyrazolidines via [3+2] metal and organocatalyzed transformations reported since the seminal work of Kobayashi et al. and Fu et al. in 2002 and 2003 up to the end of year 2017.
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Li K, Weber AE, Tseng L, Malcolmson SJ. Diastereoselective and Enantiospecific Synthesis of 1,3-Diamines via 2-Azaallyl Anion Benzylic Ring-Opening of Aziridines. Org Lett 2017; 19:4239-4242. [DOI: 10.1021/acs.orglett.7b01886] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Kangnan Li
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Alexandria E. Weber
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Luke Tseng
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Steven J. Malcolmson
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
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Copper(I)-catalysed regioselective synthesis of pyrazolo[5,1-c]-1,2,4-triazoles: A DFT mechanistic study. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.06.040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Tomažin U, Grošelj U, Počkaj M, Požgan F, Štefane B, Svete J. Combinatorial Synthesis of Acacen-Type Ligands and Their Coordination Compounds. ACS COMBINATORIAL SCIENCE 2017; 19:386-396. [PMID: 28371583 DOI: 10.1021/acscombsci.7b00027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A highly modular synthetic method for the preparation of acacen-type ligands and their coordination compounds was developed. A series of 46 acacen-type ligands were synthesized by a combinatorial acid-catalyzed transamination between six primary diamines and eight enaminones. The bis-enaminone products were used as tetradentate ligands for coordination of copper(II), nickel(II), cobalt(II), and palladium(II). Dependence of the preferred E- or Z-configuration of the enaminone ligand on the α-substituent of the enaminone moiety in solution was determined by NMR and confirmed by X-ray diffraction. The copper(II) complexes were tested for their suitability as catalysts in 3 + 2 cycloaddition of azomethine imine to methyl propiolate.
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Affiliation(s)
- Urša Tomažin
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Uroš Grošelj
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Marta Počkaj
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Franc Požgan
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Bogdan Štefane
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Jurij Svete
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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Mohammadi Ziarani G, Fathi Vavsari V. The role of hydrazide compounds in asymmetric synthesis. TETRAHEDRON: ASYMMETRY 2017; 28:203-214. [DOI: 10.1016/j.tetasy.2016.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
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27
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Min C, Seidel D. Asymmetric Brønsted acid catalysis with chiral carboxylic acids. Chem Soc Rev 2017; 46:5889-5902. [DOI: 10.1039/c6cs00239k] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review provides an overview of various catalytic enantioselective transformations that utilize chiral carboxylic acids as Brønsted acid catalysts.
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Affiliation(s)
- Chang Min
- Department of Chemistry and Chemical Biology
- Rutgers, The State University of New Jersey
- Piscataway
- USA
| | - Daniel Seidel
- Department of Chemistry and Chemical Biology
- Rutgers, The State University of New Jersey
- Piscataway
- USA
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Zhang X, Yuan C, Zhang C, Gao X, Wang B, Sun Z, Xiao Y, Guo H. Thermal [3 + 2] cycloaddition of N-iminoquiazoline ylides with allenoates for synthesis of tetrahydropyrazoloquinazoline derivatives. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.10.064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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29
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Synthesis and (3+2) cycloaddition reactions of N,N ʹ- and C,N-cyclic azomethine imines. Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1943-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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30
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Yang ZW, Wang JF, Peng LJ, You XL, Cui HL. Thermal 1,3-dipolar cycloaddition of azomethine imines with alkynes affording N,N-bicyclic pyrazolidinones under microwave irradiation. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.10.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Yuan C, Zhou L, Xia M, Sun Z, Wang D, Guo H. Phosphine-Catalyzed Enantioselective [4 + 3] Annulation of Allenoates with C,N-Cyclic Azomethine Imines: Synthesis of Quinazoline-Based Tricyclic Heterocycles. Org Lett 2016; 18:5644-5647. [DOI: 10.1021/acs.orglett.6b02885] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- 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
| | - Miaoren Xia
- Institute
of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Zhanhu Sun
- 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
- Key
Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry
of Education, Guizhou University, Guiyang 550025, China
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Pušavec Kirar E, Grošelj U, Mirri G, Požgan F, Strle G, Štefane B, Jovanovski V, Svete J. "Click" Chemistry: Application of Copper Metal in Cu-Catalyzed Azomethine Imine-Alkyne Cycloadditions. J Org Chem 2016; 81:5988-97. [PMID: 27305104 DOI: 10.1021/acs.joc.6b00945] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A series of 16 copper-catalyzed azomethine imine-alkyne cycloaddition (CuAIAC) reactions between four pyrazolidinone-1-azomethine imines and four terminal ynones gave the corresponding fluorescent cycloadducts as bimane analogues in very high yields. The applicability of CuAIAC was demonstrated by the fluorescent labeling of functionalized polystyrene and by using Cu-C and Cu-Fe as catalysts. Experimental evidence, kinetic measurements, and correlation between a clean catalyst surface and the reaction rate are in agreement with a homotopic catalytic system with catalytic Cu(I)-acetylide formed from Cu(0) by "in situ" oxidation. The availability of azomethine imines, mild reaction conditions, simple workup, and scalability make CuAIAC a viable supplement to the Cu-catalyzed azide-alkyne cycloaddition reaction in "click" chemistry.
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Affiliation(s)
- Eva Pušavec Kirar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Uroš Grošelj
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Giorgio Mirri
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Franc Požgan
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Gregor Strle
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Bogdan Štefane
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
| | - Vasko Jovanovski
- National Institute of Chemistry , Hajdrihova 19, SI-1000 Ljubljana, Slovenia
| | - Jurij Svete
- Faculty of Chemistry and Chemical Technology, University of Ljubljana , Večna Pot 113, SI-1000 Ljubljana, Slovenia
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Afraj SN, Nuzlia C, Chen C, Lee GH. Multicomponent Coupling Reaction and Intramolecular Nitrile Oxide-Alkyne Cycloaddition towards Isoxazolo[3,4]-pyrrolizines. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600223] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shakil N. Afraj
- Department of Chemistry; National Dong Hwa University; Soufeng Hualien 974 Taiwan
| | - Cut Nuzlia
- Department of Chemistry; National Dong Hwa University; Soufeng Hualien 974 Taiwan
| | - Chinpiao Chen
- Department of Chemistry; National Dong Hwa University; Soufeng Hualien 974 Taiwan
- Department of Nursing; Tzu Chi University of Science and Technology; Hualien 970 Taiwan
| | - Gene-Hsian Lee
- Instrumentation Center; National Taiwan University; Taipei 10617 Taiwan
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Abstract
A novel [3 + 2]-cycloaddition between azomethine imines and lithium ynolates is described to synthesize bicyclic pyrazolidinones. These bicyclic pyrazolidinones are versatile intermediates to form β-amino acids and monocyclic pyrazolidinones. High diastereoselectivity and stereospecificity allow access to optically active products.
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Affiliation(s)
- Sarah E. Winterton
- Department of Biochemistry, Division of Chemistry, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-9038 (USA)
| | - Joseph M. Ready
- Department of Biochemistry, Division of Chemistry, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-9038 (USA)
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Li Z, Yu H, Liu Y, Zhou L, Sun Z, Guo H. Phosphane-Catalyzed [3+3] Annulation of C,N-Cyclic Azomethine Imines with Ynones: A Practical Method for Tricyclic Dinitrogen-Fused Heterocycles. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600223] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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37
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Zhao HW, Li B, Pang HL, Tian T, Chen XQ, Song XQ, Meng W, Yang Z, Zhao YD, Liu YY. Diastereoselective 1,3-Dipolar Cycloadditions of N,N'-Cyclic Azomethine Imines with Iminooxindoles for Access to Oxindole Spiro-N,N-bicyclic Heterocycles. Org Lett 2016; 18:848-51. [PMID: 26853121 DOI: 10.1021/acs.orglett.6b00139] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the presence of CuI, 1,3-dipolar cycloadditions of N,N'-cyclic azomethine imines with iminooxindoles proceeded readily and furnished novel oxindole spiro-N,N-bicyclic heterocycles in moderate to excellent chemical yields with excellent diastereoselectivities.
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Affiliation(s)
- Hong-Wu Zhao
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Bo Li
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Hai-Liang Pang
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Ting Tian
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Xiao-Qin Chen
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Xiu-Qing Song
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Wei Meng
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Zhao Yang
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Yu-Di Zhao
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
| | - Yue-Yang Liu
- College of Life Science and Bio-engineering, Beijing University of Technology , No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China
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Afraj SN, Chen C. Tin(II) Chloride Catalyzed Multicomponent Synthesis of Propargylamines and Intramolecular [3+2] Cycloaddition. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201500471] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Shakil N. Afraj
- Department of Chemistry; National Dong Hwa University, Soufeng; Hualien 974 Taiwan
| | - Chinpiao Chen
- Department of Chemistry; National Dong Hwa University, Soufeng; Hualien 974 Taiwan
- General Education Center; Tzu Chi University of Science and Technology; Hualien 970 Taiwan
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Recent Advances of 1,3-Dipolar Cycloaddition Chemistry for Alkaloid Synthesisa. ADVANCES IN HETEROCYCLIC CHEMISTRY 2016. [DOI: 10.1016/bs.aihch.2016.03.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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41
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Zhang DY, Shao L, Xu J, Hu XP. Copper-Catalyzed Asymmetric Formal [3 + 2] Cycloaddition of Propargylic Acetates with Hydrazines: Enantioselective Synthesis of Optically Active 2-Pyrazolines. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01283] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- De-Yang Zhang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Long Shao
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Xu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
| | - Xiang-Ping Hu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
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Abstract
Azomethine imines are considered 1,3-dipoles of the aza-allyl type which are transient intermediates and should be generated in situ but can also be stable and isolable compounds. They react with electron-rich and electron-poor olefins as well as with acetylenic compounds and allenoates mainly by a [3 + 2] cycloaddition but they can also take part in [3 + 3], [4 + 3], [3 + 2 + 2] and [5 + 3] with different dipolarophiles. These 1,3-dipolar cycloadditions (1,3-DC) can be performed not only under thermal or microwave conditions but also using metallo- and organocatalytic systems. In recent years enantiocatalyzed 1,3-dipolar cycloadditions have been extensively considered and applied to the synthesis of a great variety of dinitrogenated heterocycles with biological activity. Acyclic azomethine imines derived from mono and disubstituted hydrazones could be generated by prototropy under heating or by using Lewis or Brønsted acids to give, after [3 + 2] cycloadditions, pyrazolidines and pyrazolines. Cyclic azomethine imines, incorporating a C-N bond in a ring, such as isoquinolinium imides are the most widely used dipoles in normal and inverse-electron demand 1,3-DC allowing the synthesis of tetrahydro-, dihydro- and unsaturated pyrazolo[1,5-a]isoquinolines in racemic and enantioenriched forms with interesting biological activity. Pyridinium and quinolinium imides give the corresponding pyrazolopyridines and indazolo[3,2-a]isoquinolines, respectively. In the case of cyclic azomethine imines with an N-N bond incorporated into a ring, N-alkylidene-3-oxo-pyrazolidinium ylides are the most popular stable and isolated dipoles able to form dinitrogen-fused saturated and unsaturated pyrazolopyrazolones as racemic or enantiomerically enriched compounds present in many pharmaceuticals, agrochemicals and other useful chemicals.
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Affiliation(s)
- Carmen Nájera
- Departamento de Química Orgánica, Facultad de Ciencias, and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain.
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Hashimoto T, Maruoka K. Recent advances of catalytic asymmetric 1,3-dipolar cycloadditions. Chem Rev 2015; 115:5366-412. [PMID: 25961125 DOI: 10.1021/cr5007182] [Citation(s) in RCA: 740] [Impact Index Per Article: 82.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Takuya Hashimoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Keiji Maruoka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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Hashimoto T, Nakatsu H, Maruoka K. Catalytic Asymmetric Diels-Alder Reaction of Quinone Imine Ketals: A Site-Divergent Approach. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410957] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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45
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Hashimoto T, Nakatsu H, Maruoka K. Catalytic Asymmetric Diels-Alder Reaction of Quinone Imine Ketals: A Site-Divergent Approach. Angew Chem Int Ed Engl 2015; 54:4617-21. [DOI: 10.1002/anie.201410957] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/20/2015] [Indexed: 12/28/2022]
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46
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Li Z, Yu H, Feng Y, Hou Z, Zhang L, Yang W, Wu Y, Xiao Y, Guo H. Phosphine-catalyzed [4 + 3] cycloaddition reaction of aromatic azomethine imines with allenoates. RSC Adv 2015. [DOI: 10.1039/c5ra04374c] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
An efficient phosphine-catalyzed [4 + 3] cycloaddition of aromatic azomethine imines with allenoates has been developed, providing dinitrogen-fused heterocyclic compounds in moderate to excellent yields.
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Affiliation(s)
- Zhen Li
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Hao Yu
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Yalin Feng
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Zhanfeng Hou
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Lei Zhang
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Wenjun Yang
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Yang Wu
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Yumei Xiao
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Hongchao Guo
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
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47
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Lee SI, Kim KE, Hwang GS, Ryu DH. Highly enantioselective catalytic 1,3-dipolar cycloadditions of α-alkyl diazoacetates: efficient synthesis of functionalized 2-pyrazolines. Org Biomol Chem 2015; 13:2745-9. [DOI: 10.1039/c4ob02372b] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral oxazaborolidinium ion catalyzed 1,3-dipolar cycloaddition reaction of α-substituted diazoacetates gives functionalized 2-pyrazolines in high to excellent enantiomeric ratios.
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Affiliation(s)
- Sung Il Lee
- Western Seoul Center
- Korea Basic Science Institute
- Seoul 120-140
- Korea
- Department of Chemistry
| | - Ka Eun Kim
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Geum-Sook Hwang
- Western Seoul Center
- Korea Basic Science Institute
- Seoul 120-140
- Korea
| | - Do Hyun Ryu
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Korea
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48
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Asymmetric Cycloaddition and Cascade Addition–Cyclization Reactions. TOP ORGANOMETAL CHEM 2015. [DOI: 10.1007/3418_2015_160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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49
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N-Imide Ylide-Based Reactions: CH Functionalization, Nucleophilic Addition and Cycloaddition. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400631] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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50
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Hori M, Sakakura A, Ishihara K. Enantioselective 1,3-dipolar cycloaddition of azomethine imines with propioloylpyrazoles induced by chiral π-cation catalysts. J Am Chem Soc 2014; 136:13198-201. [PMID: 25197958 DOI: 10.1021/ja508441t] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
We developed 1,3-dipolar cycloadditions of azomethine imines with propioloylpyrazoles catalyzed by a chiral copper(II) complex of 3-(2-naphthyl)-l-alanine amide. The asymmetric environment created by intramolecular π-cation interaction and the N-alkyl group of the chiral ligand gives the corresponding adducts in high yields with excellent enantioselectivity. This is the first successful method for the catalytic enantioselective 1,3-dipolar cycloaddition of azomethine imines with internal alkyne derivatives to give fully substituted pyrazolines.
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Affiliation(s)
- Masahiro Hori
- Graduate School of Engineering, Nagoya University , Furo-cho, Chikusa, Nagoya 464-8603, Japan
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