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Liu X, Xie D, Yang Q, Song Z, Fu Y, Peng Y. Ag-Catalyzed cross-dehydrogenative-coupling for the synthesis of 1,4-dioxan-2-yl substituted quinazoline hybrids in an aqueous medium. Org Biomol Chem 2024; 22:7725-7735. [PMID: 39229654 DOI: 10.1039/d4ob01188k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
We herein developed an effective approach for the construction of 2- or 4-(1,4-dioxan-2-yl) substituted quinazolines under mild conditions. A silver-K2S2O8 catalyzed direct CDC reaction between quinazolines and 1,4-dioxane for the synthesis of a series of 2- or 4-(1,4-dioxan-2-yl) substituted quinazoline hybrids is reported. The reaction proceeded well in water under mild conditions and showed a broad substrate scope and good functional group compatibility.
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Affiliation(s)
- Xixian Liu
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
| | - Dayu Xie
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
| | - Qin Yang
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
| | - Zhibin Song
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yang Fu
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yiyuan Peng
- College of Chemistry and Materials, Jiangxi Normal University, Nanchang, 330022, China.
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2
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Arockiaraj M, Rajeshkumar V. Iodine-promoted sequential C(sp 3)-H oxidation and cyclization of aryl methyl ketones with 2-(2-aminophenyl)quinazolin-4(3 H)-ones. Org Biomol Chem 2024; 22:7052-7058. [PMID: 39145634 DOI: 10.1039/d4ob01146e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
An I2-promoted, metal-free protocol has been developed for the one-pot synthesis of 6-aroyl-5,6-dihydro-8H-quinazolino[4,3-b]quinazolin-8-ones from readily accessible substrates. This reaction involves the in situ sp3 C-H oxidation of aryl methyl ketones to phenylglyoxal, followed by imine formation and intramolecular nucleophilic addition, resulting in the formation of two new C-N bonds. Furthermore, the method is applicable to a wide range of aryl methyl ketones, including heterocycles and drug-derived substrates, yielding the desired products with yields ranging from 62% to 93%. Additionally, the practical utility of this approach was demonstrated through gram-scale synthesis.
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Affiliation(s)
- Mariyaraj Arockiaraj
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
| | - Venkatachalam Rajeshkumar
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
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3
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Awasthi A, Tiwari K, Tiwari DK. Tf 2O-mediated [4+2]-annulation of anthranils with 2-chloropyridines: enabling access to pyridoquinazolinones and euxylophoricine B. Chem Commun (Camb) 2024; 60:7749-7752. [PMID: 38973615 DOI: 10.1039/d4cc01821d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
We present an efficient approach for synthesizing pyridoquinazolinones in the presence of triflic anhydride utilizing anthranils and 2-chloropyridines as starting materials. In this process, Tf2O initially activates anthranils forming an electrophilic 1-((trifluoromethyl)sulfonyl)benzo[c]isoxazol-1-ium species. This species undergoes an in situ annulation reaction with 2-chloropyridines, resulting in therapeutically useful pyridoquinazolinones. The reaction is tolerant to various functional groups, allowing access to a wide range of substituted pyridoquinazolinones in good yields. Furthermore, the synthesis of euxylophoricine B, known to be an antitumor agent, was also achieved.
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Affiliation(s)
- Annapurna Awasthi
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Department of Chemistry, Institute of Science, Banaras Hindu Universiy, 221005, UP, India
| | - Khushboo Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Academy of Scientific & Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus Ghaziabad, Uttar Pradesh-201 002, India
| | - Dharmendra Kumar Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Academy of Scientific & Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus Ghaziabad, Uttar Pradesh-201 002, India
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4
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Luo W, Zhang C, Dong L. Rhodium(III)-Catalyzed Annulation Synthesis of Difluorinated Quinazolinone Derivatives Using an Amide Carbonyl as the Directing Group. J Org Chem 2024; 89:9627-9640. [PMID: 38888955 DOI: 10.1021/acs.joc.3c02596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
The use of amide carbonyl groups of substrates as weakly coordinating directing groups has received a significant amount of attention. Recently, difluoromethylene alkynes have been successfully used in fluorination reactions, resulting in the preparation of various fluorine-containing compounds. This work describes a [4+2] annulation method for creating a range of fluorinated quinolino[2,1-b]quinazolinone derivatives. The derivatives are formed through Rh(III)-catalyzed cascade cyclization of 3-phenylquinazolinones and gem-difluoromethylene alkynes.
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Affiliation(s)
- Wen Luo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Chao Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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5
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Liu Y, Yang Q, Wang W, Fu Y, Ding Q, Peng Y. Visible-light-induced three-component reactions of α-diazoesters, quinazolinones and cyclic ethers toward quinazoline-based hybrids. Org Biomol Chem 2024; 22:4332-4346. [PMID: 38726656 DOI: 10.1039/d4ob00295d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
An effective approach for the construction of 4-short-chain ether attached carbonyl group-substituted quinazolines was developed. Visible-light-induced three-component reactions of α-diazoesters, quinazolinones, and cyclic ethers, with a broad substrate scope and excellent functional group tolerance, under extremely mild conditions without the need for any additional additives and catalysts, selectively led to quinazoline-based hybrids in good to excellent yields. The synthesized hybrids, which are a conglomeration of a quinazoline, a short-chain ether, and a carbonyl group in one molecular skeleton, have potential for application in the development of new drugs or drug candidates.
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Affiliation(s)
- Yan Liu
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Qin Yang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Wei Wang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yang Fu
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Qiuping Ding
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yiyuan Peng
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
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6
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Wu Q, Zhang X, Yang Q, Song Z, Ding Q, Peng Y. Synthesis of Selenium-Containing N-Quinazolinyl Acroleins via a 3,3-Radical Rearrangement Cascade Reaction. Org Lett 2024. [PMID: 38189242 DOI: 10.1021/acs.orglett.3c04026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
An effective approach for the construction of 2-aryl-3-(3-oxo-1-aryl-2-(organoselanyl)prop-1-en-1-yl)quinazolin-4(3H)-ones was developed. Excellent to almost quantitative yields were obtained by the cascade reaction of propargyl quinazoline-4-yl ethers, diselenides, and 70% tert-butyl hydrogen peroxide aqueous solution under metal-free and mild conditions. The synthesized hybrids, with conglomeration of quinazolinone, organoselenium, aldehyde, and fully substituted alkene moieties in one molecule, will have the potential for applications in development of new drugs or drug candidates.
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Affiliation(s)
- Qiong Wu
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Xinqin Zhang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Qin Yang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Zhibin Song
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Qiuping Ding
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Yiyuan Peng
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
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7
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Zeng FL, Zhang ZY, Yin PC, Cheng FK, Chen XL, Qu LB, Cao ZY, Yu B. Visible-Light-Induced Cascade Cyclization of 3-(2-(Ethynyl)phenyl)quinazolinones to Phosphorylated Quinolino[2,1- b]quinazolinones. Org Lett 2022; 24:7912-7917. [PMID: 36269864 DOI: 10.1021/acs.orglett.2c02930] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
3-(2-(Ethynyl)phenyl)quinazolinones were designed and synthesized as a class of novel and efficient skeletons for phosphorylation/cyclization reactions. Under visible light irradiation, a series of phosphorylated quinolino[2,1-b]quinazolinones (35 examples, up to 87% yield) were first synthesized from 3-(2-(ethynyl)phenyl)quinazolinones and diarylphosphine oxides by using 4CzIPN as a photocatalyst under mild conditions. This reaction was also applicable under sunlight irradiation. Moreover, the reaction efficiency could be significantly improved under continuous-flow conditions.
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Affiliation(s)
- Fan-Lin Zeng
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Zhi-Yang Zhang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Peng-Cheng Yin
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Fu-Kun Cheng
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xiao-Lan Chen
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Ling-Bo Qu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Zhong-Yan Cao
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Bing Yu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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8
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Wu Q, Deng Z, Xie D, Liu Y, Yang Q, Fu Y, Peng Y. Aminothiolation of 2-(2-bromophenyl)quinazolinones with elemental sulfur to access 7H-benzo[4,5]isothiazolo[3,2-b]quinazolinones through C–S/S–N bond formation under metal-free condition. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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