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Zhu Z, Deng Z, Xuan C, Shu C. Thermoinduced Radical Cyclization for the Synthesis of Sultines. Org Lett 2024; 26:406-410. [PMID: 38117280 DOI: 10.1021/acs.orglett.3c04099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
A thermoinduced radical homolytic substitution cyclization of alkenyl tethered sulfinate esters was displayed under mild metal-free conditions, enabling the functionalization of alkenes and leading to structurally diverse value-added sultine products. The process utilizes readily available substrates using inexpensive 5% benzoyl peroxide (BPO) as an initiator to generate functionalized sultines with broad functional group tolerance in medium to excellent yields in a highly atom-economical manner. In addition, the obtained sultines could be further readily functionalized toward valuable sultone frameworks in one pot. A thermo-catalytic radical chain process was proposed based on mechanistic studies.
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Affiliation(s)
- Zhiming Zhu
- CCNU-uOttawa Joint Research Centre, National Key Laboratory of Green Pesticide, Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, College of Chemistry, Central China Normal University (CCNU), Wuhan, Hubei 430070, China
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Zhengxi Deng
- CCNU-uOttawa Joint Research Centre, National Key Laboratory of Green Pesticide, Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, College of Chemistry, Central China Normal University (CCNU), Wuhan, Hubei 430070, China
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Chenglong Xuan
- CCNU-uOttawa Joint Research Centre, National Key Laboratory of Green Pesticide, Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, College of Chemistry, Central China Normal University (CCNU), Wuhan, Hubei 430070, China
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Chao Shu
- CCNU-uOttawa Joint Research Centre, National Key Laboratory of Green Pesticide, Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, College of Chemistry, Central China Normal University (CCNU), Wuhan, Hubei 430070, China
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui 241000, China
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Kumari S, Maddeboina K, Bachu RD, Boddu SHS, Trippier PC, Tiwari AK. Pivotal role of nitrogen heterocycles in Alzheimer's disease drug discovery. Drug Discov Today 2022; 27:103322. [PMID: 35868626 DOI: 10.1016/j.drudis.2022.07.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 06/21/2022] [Accepted: 07/14/2022] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease (AD) is a detrimental neurodegenerative disease that progressively worsens with time. Clinical options are limited and only provide symptomatic relief to AD patients. The search for effective anti-AD compounds is ongoing with a few already in Phase III clinical trials, yet to be approved. Heterocycles containing nitrogen are important to biological processes owing to their abundance in nature, their function as subunits of biological molecules and/or macromolecular structures, and their biological activities. The present review discusses previously used strategies, SAR, relevant in vitro and in vivo studies, and success stories of nitrogen-containing heterocyclic compounds in AD drug discovery. Also, we propose strategies for designing and developing novel potent anti-AD small molecules that can be used as treatments for AD.
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Affiliation(s)
- Shikha Kumari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, The University of Toledo, Toledo, OH 43614, USA.
| | - Krishnaiah Maddeboina
- Molecular Targeted Therapeutics Laboratory, Levine Cancer Institute/Atrium Health, Charlotte, NC 28204, USA
| | - Rinda Devi Bachu
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, The University of Toledo, Toledo, OH 43614, USA
| | - Sai H S Boddu
- College of Pharmacy and Health Sciences, Ajman University, UAE; Center of Medical and Bio-allied Health Sciences Research, Ajman University, P.O. Box 346, Ajman, UAE
| | - Paul C Trippier
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, UNMC Center for Drug Discovery, Fred & Pamela Buffett Cancer Center, Omaha, NE 68198, USA
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, The University of Toledo, Toledo, OH 43614, USA; Center of Medical and Bio-allied Health Sciences Research, Ajman University, P.O. Box 346, Ajman, UAE; Department of Cancer Biology, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH 43614, USA.
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Dobrydnev AV, Vashchenko BV, Popova MV, Volovenko YM. A Study on Sulfonylation of Cyanohydrins with α‐Functionalized Sulfonyl Chlorides. ChemistrySelect 2022. [DOI: 10.1002/slct.202202401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alexey V. Dobrydnev
- Enamine Ltd. Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01033 Ukraine
| | - Bohdan V. Vashchenko
- Enamine Ltd. Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01033 Ukraine
| | - Maria V. Popova
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01033 Ukraine
| | - Yulian M. Volovenko
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01033 Ukraine
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Pourabdi L, Küçükkılınç TT, Khoshtale F, Ayazgök B, Nadri H, Farokhi Alashti F, Forootanfar H, Akbari T, Shafiei M, Foroumadi A, Sharifzadeh M, Shafiee Ardestani M, Abaee MS, Firoozpour L, Khoobi M, Mojtahedi MM. Synthesis of New 3-Arylcoumarins Bearing N-Benzyl Triazole Moiety: Dual Lipoxygenase and Butyrylcholinesterase Inhibitors With Anti-Amyloid Aggregation and Neuroprotective Properties Against Alzheimer’s Disease. Front Chem 2022; 9:810233. [PMID: 35127652 PMCID: PMC8812461 DOI: 10.3389/fchem.2021.810233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
A novel series of coumarin derivatives linked to the N-benzyl triazole group were synthesized and evaluated against 15-lipoxygenase (15-LOX), and acetyl- and butyrylcholinesterase (AChE and BuChE) to find the most potent derivative against Alzheimer’s disease (AD). Most of the compounds showed weak to moderate activity against ChEs. Among the most active BuChE and 15-LOX inhibitors, 8l and 8n exhibited an excellent neuroprotective effect, higher than the standard drug (quercetin) on the PC12 cell model injured by H2O2 and significantly reduced aggregation of amyloid Aβ1-42, with potencies of 1.44 and 1.79 times higher than donepezil, respectively. Compound 8l also showed more activity than butylated hydroxytoluene (BHT) as the reference antioxidant agent in reducing the levels of H2O2 activated by amyloid β in BV2 microglial cells. Kinetic and ligand–enzyme docking studies were also performed for better understanding of the mode of interaction between the best BuChE inhibitor and the enzyme. Considering the acceptable BuChE and 15-LOX inhibition activities as well as significant neuroprotection, and anti-amyloid aggregation activities, 8l and 8n could be considered as potential MTDLs for further modification and studies against AD.
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Affiliation(s)
- Ladan Pourabdi
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | | | - Fatemeh Khoshtale
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Beyza Ayazgök
- Faculty of Pharmacy, Department of Biochemistry, Hacettepe University, Ankara, Turkey
| | - Hamid Nadri
- Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Farid Farokhi Alashti
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Hamid Forootanfar
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Tayebeh Akbari
- Department of Microbiology, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Mohammad Shafiei
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Pharmaceutical Sciences Research Center, The institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sharifzadeh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - M. Saeed Abaee
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Loghman Firoozpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Khoobi
- Pharmaceutical Sciences Research Center, The institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad M. Mojtahedi, ; Mehdi Khoobi, ,
| | - Mohammad M. Mojtahedi
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
- *Correspondence: Mohammad M. Mojtahedi, ; Mehdi Khoobi, ,
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Synthesis, Structural Characterization, and In Vitro and In Silico Antifungal Evaluation of Azo-Azomethine Pyrazoles (PhN 2(PhOH)CHN(C 3N 2(CH 3) 3)PhR, R = H or NO 2). Molecules 2021; 26:molecules26247435. [PMID: 34946516 PMCID: PMC8708670 DOI: 10.3390/molecules26247435] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
The azo-azomethine imines, R1-N=N-R2-CH=N-R3, are a class of active pharmacological ligands that have been prominent antifungal, antibacterial, and antitumor agents. In this study, four new azo-azomethines, R1 = Ph, R2 = phenol, and R3 = pyrazol-Ph-R’ (R = H or NO2), have been synthesized, structurally characterized using X-ray, IR, NMR and UV–Vis techniques, and their antifungal activity evaluated against certified strains of Candida albicans and Cryptococcus neoformans. The antifungal tests revealed a high to moderate inhibitory activity towards both strains, which is regulated as a function of both the presence and the location of the nitro group in the aromatic ring of the series. These biological assays were further complemented with molecular docking studies against three different molecular targets from each fungus strain. Molecular dynamics simulations and binding free energy calculations were performed on the two best molecular docking results for each fungus strain. Better affinity for active sites for nitro compounds at the “meta” and “para” positions was found, making them promising building blocks for the development of new Schiff bases with high antifungal activity.
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Zhang H, Wu C, Chen X, Zhang Z, Jiang X, Qin HL, Tang W. Novel pyridine-containing sultones: Structure-activity relationship and biological evaluation as selective AChE inhibitors for the treatment of Alzheimer's disease. ChemMedChem 2021; 16:3189-3200. [PMID: 34036731 DOI: 10.1002/cmdc.202100272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/19/2021] [Indexed: 11/12/2022]
Abstract
Novel pyridine-containing sultones were synthesized and evaluated for their cholinesterase (ChE) inhibitory activity. Most of compounds showed selective acetylcholinesterase (AChE) inhibitory activity. The structure-activity relationship (SAR) showed: (i) the fused pyridine-containing sultones increase AChE inhibition, series B>series A; (ii) for series A, the effect of the 4-substituent on AChE activity, p->m- or o-; (iii) for series B, a halophenyl group increase activity. Compound B4 (4-(4-chlorophenyl)-2,2-dioxide-3,4,5,6-tetrahydro-1,2-oxathiino[5,6-h]quinoline) was identified as a selective AChE inhibitor (IC50 =8.93 μM), and molecular docking studies revealed a good fit into TcAChE via hydrogen interactions between the δ-pyridylsultone scaffold with Asp72, Ser122, Phe288, Phe290 and Trp84. Compound B4 showed reversible and non-competitive (Ki =7.67 μM) AChE inhibition, nontoxicity and neuroprotective activity. In vivo studies confirmed that compound B4 could ameliorate the cognitive performance of scopolamine-treated C57BL/6 J mice, suggesting a significant benefit of AChE inhibition for a disease-modifying treatment of AD.
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Affiliation(s)
- Hong Zhang
- Department of Pharmacy, Fuyang People's Hospital of AHMU, Anhui Medical University, Fuyang, 236000, China
| | - Chengyao Wu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Xing Chen
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, China
| | - Ziwen Zhang
- School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Xia Jiang
- School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Hua-Li Qin
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, China
| | - Wenjian Tang
- School of Pharmacy, Anhui Medical University, Hefei, 230032, China
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