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1
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Zhang W, Wei X, Wang Y, Huang Y, Nawaz S, Qu J, Wang B. Construction of pyrazole fused spiroketals by a (3 + 2) annulation reaction. Org Chem Front 2022. [DOI: 10.1039/d2qo01001a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A stereoselective (3 + 2) annulation process between 4-bromo pyrazolones and benzofuran-derived azadienes was developed. A series of novel pyrazole fused spiroketals were synthesized in the presence of triethylamine.
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Affiliation(s)
- Wande Zhang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Xingfu Wei
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Yue Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Yue Huang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Shah Nawaz
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Jingping Qu
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
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2
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Ma J, Yang J, Yan K, Sun X, Wei W, Tian L, Wen J. Electrochemical‐Induced C(sp
3
)−H Dehydrogenative Trimerization of Pyrazolones to Tripyrazolones. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jing Ma
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Jianjing Yang
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Kelu Yan
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Xue Sun
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Wei Wei
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Laijin Tian
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
| | - Jiangwei Wen
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University, Qufu Shandong 273165 P. R. China
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Olyaei A, Sadeghpour M. Recent developments in the synthesis and applications of furopyrazoles. NEW J CHEM 2020. [DOI: 10.1039/d0nj02178d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This review aims to describe the different strategies developed so far for the synthesis of furopyrazoles and their biological and pharmacological properties.
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Affiliation(s)
- Abolfazl Olyaei
- Department of Chemistry
- Payame Noor University (PNU)
- Tehran
- Iran
| | - Madieh Sadeghpour
- Department of Chemistry
- Takestan Branch, Islamic Azad University
- Takestan
- Iran
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Sakakibara R, Itoh K, Fujii H. Ligand-Dependent Site-Selective Suzuki Cross-Coupling of 4-Bromopyrazol-5-yl Triflates. J Org Chem 2019; 84:11474-11481. [DOI: 10.1021/acs.joc.9b01306] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ryo Sakakibara
- Sohyaku, Innovative Research Division, Mitsubishi Tanabe Pharma Corporation, 2-2-50, Kawagishi, Toda, Saitama 335-8505, Japan
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5
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Reactions with acetoacetanilide: Synthesis and antibacterial activity of some new pyran, pyrano[2,3-c]pyrazole and pyrano[2,3-c]-pyridine derivatives. Arch Pharm Res 1989. [DOI: 10.1007/bf02855555] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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