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Guo YM, Wang H, Yang JR, Chen Q, Cao C, Chen JZ. Synthesis of 2,3-Fused Quinazolinones via the Radical Cascade Pathway and Reaction Mechanistic Studies by DFT Calculations. J Org Chem 2023; 88:10448-10459. [PMID: 37458429 DOI: 10.1021/acs.joc.2c03050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
An efficient radical cascade cyclization of unactivated alkenes toward the synthesis of a series of ring-fused quinazolinones has been developed in moderate to excellent yields using commercially available ethers, alkanes, and alcohols, respectively, under a base-free condition in a short time without a transition metal as catalyst. Notably, the transformations can be carried out with the advantages of a broad substrate scope and high atomic economy. Density functional theory calculations and wavefunction analyses were performed to elucidate the radical reaction mechanism.
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Affiliation(s)
- Ya-Min Guo
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Rd., Hangzhou 310058, Zhejiang, China
| | - Hao Wang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Rd., Hangzhou 310058, Zhejiang, China
| | - Jin-Rong Yang
- Polytechnic Institute, Zhejiang University, 269 Shixiang Rd., Hangzhou 310015, Zhejiang, China
| | - Qiang Chen
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Rd., Hangzhou 310058, Zhejiang, China
| | - Cheng Cao
- Polytechnic Institute, Zhejiang University, 269 Shixiang Rd., Hangzhou 310015, Zhejiang, China
| | - Jian-Zhong Chen
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Rd., Hangzhou 310058, Zhejiang, China
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Chen X, Chen Y, Xie S, Wang X, Wu Y, Zhang H, Zhao Y, Jia J, Wang B, Li W, Tang J, Xiao X. The mechanism of Renshen-Fuzi herb pair for treating heart failure-Integrating a cardiovascular pharmacological assessment with serum metabolomics. Front Pharmacol 2022; 13:995796. [PMID: 36545315 PMCID: PMC9760753 DOI: 10.3389/fphar.2022.995796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 11/23/2022] [Indexed: 12/07/2022] Open
Abstract
Background: Renshen-Fuzi herb pair (RS-FZ) is often used in the clinical treatment of heart failure (HF) and has a remarkable therapeutic effect. However, the mechanism of RS-FZ for treating HF remains unclear. In our study, we explored the mechanism of RS-FZ for treating HF. Methods: Evaluation of RS-FZ efficacy by cardiovascular pharmacology. Moreover, Global metabolomics profiling of the serum was detected by UPLC-QTOF/MS. Multivariate statistics analyzed the specific serum metabolites and corresponding metabolic pathways. Combining serum metabolomics with network pharmacology, animal experiments screened and validated the critical targets of RS-FZ intervention in HF. Results: RS-FZ significantly ameliorated myocardial fibrosis, enhanced cardiac function, and reduced the serum HF marker (brain natriuretic peptide) level in rats with HF. Through topological analysis of the "Metabolite-Target-Component" interaction network, we found that 79 compounds of RS-FZ directly regulated the downstream specific serum metabolites by acting on four critical target proteins (CYP2D6, EPHX2, MAOB, and ENPP2). The immunohistochemistry results showed that RS-FZ observably improved the expression of CYP2D6 and ENPP2 proteins while decreasing the expression of EPHX2 and MAOB proteins dramatically. Conclusion: The integrated cardiovascular pharmacological assessment with serum metabolomics revealed that RS-FZ plays a crucial role in the treatment of HF by intervening in CYP2D6, EPHX2, MAOB, and ENPP2 target proteins. It provides a theoretical basis for RS-FZ for treating HF.
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Affiliation(s)
- Xiaofei Chen
- College of Medicine, Chengdu University of Chinese Medicine, Chengdu, China,Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Yulong Chen
- College of Medicine, Henan University of Chinese Medicine, Zhengzhou, China
| | - Shiyang Xie
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xiaoyan Wang
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Yali Wu
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Hui Zhang
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Ya Zhao
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Jinhao Jia
- College of Medicine, Henan University of Chinese Medicine, Zhengzhou, China
| | - Bin Wang
- College of Medicine, Henan University of Chinese Medicine, Zhengzhou, China
| | - Weixia Li
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China,*Correspondence: Weixia Li, ; Jinfa Tang, ; Xiaohe Xiao,
| | - Jinfa Tang
- Henan Province Engineering Laboratory for Clinical Evaluation Technology of Chinese Medicine, Henan Province Engineering Research Center for Clinical Application, Evaluation and Transformation of Traditional Chinese Medicine, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China,*Correspondence: Weixia Li, ; Jinfa Tang, ; Xiaohe Xiao,
| | - Xiaohe Xiao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China,*Correspondence: Weixia Li, ; Jinfa Tang, ; Xiaohe Xiao,
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