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Lin H, Hu X, Han B, Yang X, Deng Y, Luo J, Ge Y, Mao B, Wang C, Yuan C. Facile Synthesis of Quinoline-Substituted 3-Hydroxy-2-oxindoles and 3-Amino-2-oxindoles via a Palladium-Catalyzed Cascade Intramolecular Cyclization/Intermolecular Nucleophilic Addition Reaction. J Org Chem 2024; 89:3413-3418. [PMID: 38377573 DOI: 10.1021/acs.joc.3c02837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
An efficient cascade intramolecular cyclization/intermolecular nucleophilic addition reaction of allenyl benzoxazinone with isatin or isatin-derived ketimine has been established by using Pd0-π-Lewis base catalysis. A series of 3-hydroxy-2-oxindoles and 3-amino-2-oxindoles with quaternary carbon atoms at the C3 position were synthesized in good yields under mild conditions through this protocol.
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Affiliation(s)
- Huawei Lin
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Xinyan Hu
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Bing Han
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Xianru Yang
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Yiwei Deng
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Jiayi Luo
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Yanqing Ge
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
| | - Biming Mao
- Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, Shandong, P. R. China
| | - Chang Wang
- Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, Shandong, P. R. China
| | - Chunhao Yuan
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China
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Catalyst- and solvent-free coupling of 2-methyl quinazolinones and 3-(trifluoroacetyl)coumarins: An environmentally benign access of quinazolinone derivatives. JOURNAL OF SAUDI CHEMICAL SOCIETY 2023. [DOI: 10.1016/j.jscs.2023.101621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Gu H, Jin X, Li J, Li H, Liu J. Recent Progress in Transition Metal-Catalyzed C—H Bond Activation of N-Aryl Phthalazinones. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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Cho YS, Kim HD, Kim E, Han SH, Han SB, Mishra NK, Jung YH, Jeong T, Kim IS. Direct Integration of Phthalazinone and Succinimide Scaffolds via Rh(III)‐Catalyzed C−H Functionalization. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000454] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yong Sun Cho
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Hak Do Kim
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Euntaek Kim
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
- Division of Bio & Drug Discovery Korea Research Institute of Chemical Technology (KRICT) Daejeon 34114 Republic of Korea
| | - Sang Hoon Han
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Soo Bong Han
- Division of Bio & Drug Discovery Korea Research Institute of Chemical Technology (KRICT) Daejeon 34114 Republic of Korea
| | | | - Young Hoon Jung
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Taejoo Jeong
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
| | - In Su Kim
- School of Pharmacy Sungkyunkwan University Suwon 16419 Republic of Korea
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Parveen N, Sekar G. Palladium Nanoparticle-Catalyzed Stereoselective Domino Synthesis of All-Carbon Tetrasubstituted Olefin Containing Oxindoles via Carbopalladation/C-H Activation. J Org Chem 2020; 85:10514-10524. [PMID: 32806104 DOI: 10.1021/acs.joc.0c00915] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The binaphthyl stabilized palladium nanoparticles (Pd-BNP) catalyzed single-step, stereoselective domino synthesis of symmetrically and unsymmetrically all-carbon tetrasubstituted olefin containing oxindoles from readily accessible anilides has been developed. The Pd-BNP catalyst showed a wide range of functional group tolerance that enabled building a library of heteroaromatics. This reusable Pd catalyst reflected its utility in the synthesis of biologically important AMP-activated protein kinase deprived of any metal Pd contamination. The nanocatalyst was easily recovered and reused five times without any appreciable loss in particle size or catalytic activity.
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Affiliation(s)
- Naziya Parveen
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Govindasamy Sekar
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
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Rao YS, Latha DS, Devunuri N, Almansour AI, Arumugam N, Yaragorla S. Alkylation of α‐Oxo‐Compounds through C(sp
3
)‐H Functionalization of 2‐Methyl Quinolines Under Catalyst‐ and Solvent‐Free Conditions. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yadavalli Subba Rao
- School of Chemistry University of Hyderabad Telangana State 5000046 Hyderabad India
- Division of Chemistry Vignan's Foundation for Science Technology and Research (VFSTR) 522 213 Guntur India
| | | | - Nagaraju Devunuri
- Division of Chemistry Vignan's Foundation for Science Technology and Research (VFSTR) 522 213 Guntur India
| | - Abdulrahman I. Almansour
- Department of Chemistry College of Science King Saud University P.O. Box 2455 11451 Riyadh Saudi Arabia
| | - Natarajan Arumugam
- Department of Chemistry College of Science King Saud University P.O. Box 2455 11451 Riyadh Saudi Arabia
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Parveen N, Sekar G. Palladium Nanoparticle-Catalyzed Stereoselective Domino Synthesis of 3-Allylidene-2(3 H)-oxindoles and 3-Allylidene-2(3 H)-benzofuranones. J Org Chem 2020; 85:4682-4694. [PMID: 32156112 DOI: 10.1021/acs.joc.9b03397] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A single-step, stereoselective protocol for the synthesis of unsymmetrically substituted (E)-3-allylideneoxindole and (E)-3-allylidenebenzofuran from readily accessible starting materials using palladium binaphthyl nanoparticles (Pd-BNPs) has been developed. Pd-BNP showing a wide range of functional group tolerance and an immense array of substrate scope have been explored with the successful synthesis of the drug molecule "tubulin polymerization inhibitor" free from trace metal impurities. The model reaction is extended to a gram-scale synthesis, and one of the products is utilized for derivatization. The Pd-BNP has been recycled up to 5 catalytic cycles without any loss in reaction yields and particle size of nanoparticles.
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Affiliation(s)
- Naziya Parveen
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Govindasamy Sekar
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
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8
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Latha DS, Yaragorla S. C(sp3
)-H Functionalization of 2-Methyl Azaarenes: Highly Facile Approach to Aza-Heterocyclic Compounds. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901899] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dandugula Sneha Latha
- School of Chemistry; University of Hyderabad; P.O. Central University, Gachibowli; 500046 Hyderabad India
| | - Srinivasarao Yaragorla
- School of Chemistry; University of Hyderabad; P.O. Central University, Gachibowli; 500046 Hyderabad India
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