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Gao Z, Fan W, Zhang R, Li P, Yang X, Gao X, Ji X, Wei Y, Lai M. Synthesis, Thermal Stability and Antifungal Evaluation of Two New Pyrrole Esters. Chem Biodivers 2024; 21:e202301684. [PMID: 38224313 DOI: 10.1002/cbdv.202301684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/16/2024]
Abstract
To develop new chemicals that are stable at high temperatures with biological activity, a pyrrole intermediate was firstly synthesized using glucosamine hydrochloride as raw materials through cyclization and oxidation. Further, two novel pyrrole ester derivatives were prepared via Steglich esterification from pyrrole intermediate with vanillin and ethyl maltol, respectively. Nuclear magnetic resonance (1 H-NMR, 13 C NMR), infrared spectroscopy (IR) and high resolution mass spectrometry (HRMS) were used to confirm the target compounds. Thermal behavior of the compounds was investigated by thermogravimetry (TG), differential scanning calorimeter (DSC) and the pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) methods. The plausible pyrolytic mechanism was proposed. Additionally, their biological activities against the pathogens Fusarium graminearum, Fusarium oxysporum, Fusarium moniliforme, Phytophthora nicotianae, and Rhizoctonia solani were assessed. These target compounds showed outstanding antifungal activities and the highest inhibitor rates of 62.50 % and 68.75 % against R. solani with EC50 values of 0.0296 and 0.0200 mg mL-1 , respectively. SDHI protein sequence was molecularly docked to identify the binding mechanisms in the active pocket and examine the interactions between both the molecules and the SDHI protein.
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Affiliation(s)
- Ziting Gao
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Wenpeng Fan
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
- Hubei Zhongyan Industry Co. Ltd., WuHan, 430048, P. R. China
| | - Ruiting Zhang
- Co-construction State Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R China
| | - Pengyu Li
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Xiaopeng Yang
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Xue Gao
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Xiaoming Ji
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Yuewei Wei
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Miao Lai
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, 450046, P. R. China
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Fan W, Chu W, Li Y, Han L, Li P, Tian H, Lai M, Ji X. Synthesis, Characterization and Thermal Behavior of N‐Substituted Pyrrole Esters. ChemistrySelect 2022. [DOI: 10.1002/slct.202203722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Wenpeng Fan
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Wenjuan Chu
- Technology Center of China Tobacco Henan Industry Co., Ltd Zhengzhou 450000 P. R. China
| | - Yaoguang Li
- Technology Center of China Tobacco Henan Industry Co., Ltd Zhengzhou 450000 P. R. China
| | - Lu Han
- Technology Center of China Tobacco Henan Industry Co., Ltd Zhengzhou 450000 P. R. China
| | - Pengyu Li
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Haiying Tian
- Technology Center of China Tobacco Henan Industry Co., Ltd Zhengzhou 450000 P. R. China
| | - Miao Lai
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Xiaoming Ji
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
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Intermittent Hypoxia Inhibits Hepatic CYP1a2 Expression and Delays Aminophylline Metabolism. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2782702. [PMID: 35529917 PMCID: PMC9076297 DOI: 10.1155/2022/2782702] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/17/2021] [Accepted: 04/09/2022] [Indexed: 01/08/2023]
Abstract
Purpose In this study, we aimed to determine the effects of intermittent hypoxia (IH) on hepatic cytochrome P450 1A2 (CYP1A2) expression and the pharmacokinetics of CYP1A2-mediated aminophylline and warfarin in vitro and in a rabbit model of obstructive sleep apnea. Materials Human normal liver (LO-2) cells were exposed to 30 min each of 1%, 1–21%, 21%, and 21–1% O2, and then, CYP1A2 expression and drug concentrations were analyzed. We compared the pharmacokinetic parameters of drugs administered to normoxic rabbits and those exposed to 10 min of IH during which the oxygen level fluctuated from 21% to 8%–10% (n = 10 per group). Result s. The expression of CYP1A2 protein in vitro was significantly reduced in the IH compared with the normoxic cells (0.56 ± 0.11 vs. 1.27 ± 0.17, p < 0.001). Aminophylline was more abundant in cell culture supernatants after 48 h of IH than in those under normoxia. The T1/2, AUC0–24 h, and Ke values for aminophylline were significantly higher in the IH group. Conclusion Intermittent hypoxia inhibits hepatic CYP1A2 expression and delays aminophylline metabolism, suggesting that the impact of IH on the expression of CYP enzymes should be closely monitored in clinical practice.
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Fu Z, Wang Z, Liu M, Cai J, Yuan P, Wang Q, Xing W, Sun S. Dual‐layer membrane with hierarchical hydrophobicity and transport channels for nonpolar organic solvent nanofiltration. AIChE J 2021. [DOI: 10.1002/aic.17138] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Zheng‐Jun Fu
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Zhen‐Yuan Wang
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Mei‐Ling Liu
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Jing Cai
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Pu‐An Yuan
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Qian Wang
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Weihong Xing
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
| | - Shi‐Peng Sun
- State Key Laboratory of Materials‐Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, College of Chemical Engineering Nanjing Tech University Nanjing China
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