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Abbasi M, Nowrouzi N, Sajedinia S. I 2-catalyzed one-pot oxidative condensation of thiourea, methyl ketones, and aryl thiols into 5-sulfenylated 2-amino-1,3-thiazoles by DMSO. Mol Divers 2023; 27:2887-2894. [PMID: 36515805 DOI: 10.1007/s11030-022-10585-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 12/04/2022] [Indexed: 12/15/2022]
Abstract
A one-pot, efficient oxidative-condensation process for constructing both 4-alkyl and 4-aryl-5-(arylthio) thiazol-2-amines using DMSO/I2 is introduced. In this procedure, methyl ketones, thiourea, DMSO, and thiols are reacted together in the presence of molecular I2 at 80 °C simply to produce 4-alkyl or aryl-5-(arylthio)thiazol-2-amines due to formation of a C-S bond between thiourea and methyl carbon linked to carbonyl group and the another C-S bond formation between thiol and thiazol ring. Under reaction conditions, both aryl and alkyl methyl ketones including acetophenone and substituted acetophenones also, 2-alkanones such as acetone, 2-butanone, 2-pentanone, and 2-heptanone yield those products successfully.
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Affiliation(s)
- Mohammad Abbasi
- Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr, 75169, Iran.
| | - Najmeh Nowrouzi
- Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr, 75169, Iran
| | - Sara Sajedinia
- Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr, 75169, Iran
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2
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Kalhor M, Vahedi Z, Gharoubi H. Design of a new method for one-pot synthesis of 2-amino thiazoles using trichloroisocyanuric acid in the presence of a novel multi-functional and magnetically catalytic nanosystem: Ca/4-MePy-IL@ZY-Fe 3O 4. RSC Adv 2023; 13:9208-9221. [PMID: 36950710 PMCID: PMC10026822 DOI: 10.1039/d3ra00758h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
In this study, an effective approach was developed to synthesize a novel, multifunctional ionic liquid nanocatalyst based on zeolite-Y with 4-methylpyridinium chloride (4-MePy-Cl) and calcium ions (Ca/4-MePy-IL@ZY). Then, Fe3O4 nanoparticles were produced inside the zeolite pores with the use of ultrasonic waves. XRD, FESEM, FT-IR, EDX-Map, TGA-DTA, VSM, BET, and atomic absorption techniques were used to identify the structure of the magnetic nanocomposite. Then, its catalytic activity in the one-pot synthesis of 2-aminothiazoles using trichloroisocyanuric acid (TCCA) as a green supplier of halogen ions for intermediates was studied. To provide ideal conditions for the preparation of pure products, first, the one-pot reaction of acetophenone and thiourea in various solvents, different temperatures, and the presence of different amounts of nanocatalysts and the molar amount of TCCA was used. Next, the reaction was investigated in the one-pot preparation of 2-aminothiazole derivatives under optimal conditions. This method replaces iodine (I2), a toxic reagent, for the first time with TCCA, a safe and sustainable source of halogen. The use of non-toxic solvent and a cheap, safe, recyclable nanocatalyst, quick reaction times, high efficiency, and ease of nanocatalyst separation with the aid of a magnet are additional benefits of this method. This has led to this procedure being classified as "green chemistry".
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Affiliation(s)
- Mehdi Kalhor
- Department of Chemistry, Payame Noor University Tehran 19395-4697 Iran +98 2537179170 +98 2537179170
| | - Zahra Vahedi
- Department of Chemistry, Payame Noor University Tehran 19395-4697 Iran +98 2537179170 +98 2537179170
| | - Hanieh Gharoubi
- Department of Chemistry, Payame Noor University Tehran 19395-4697 Iran +98 2537179170 +98 2537179170
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3
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Chudasama SJ, Shah BJ, Patel KM, Dhameliya TM. The spotlight review on ionic liquids catalyzed synthesis of aza- and oxa-heterocycles reported in 2021. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119664] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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4
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Zeng Y, Nie L, Bozorov K, Ruzi Z, Song B, Zhao J, Aisa HA. 2‐substituted
tricyclic oxazolo[5,4‐
d
]pyrimidine library: Design, synthesis, and cytotoxicity activity. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yan Zeng
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
- University of Chinese Academy of Sciences Beijing China
| | - Lifei Nie
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
| | - Khurshed Bozorov
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
- Faculty of Chemistry Samarkand State University Samarkand Uzbekistan
| | - Zukela Ruzi
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
- University of Chinese Academy of Sciences Beijing China
| | - Buer Song
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
- University of Chinese Academy of Sciences Beijing China
| | - Jiangyu Zhao
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
| | - Haji Akber Aisa
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Urumqi China
- University of Chinese Academy of Sciences Beijing China
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5
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Mahgoub S, Kotb El-Sayed MI, El-Shehry MF, Mohamed Awad S, Mansour YE, Fatahala SS. Synthesis of novel calcium channel blockers with ACE2 inhibition and dual antihypertensive/anti-inflammatory effects: A possible therapeutic tool for COVID-19. Bioorg Chem 2021; 116:105272. [PMID: 34474305 PMCID: PMC8403975 DOI: 10.1016/j.bioorg.2021.105272] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/11/2021] [Accepted: 08/14/2021] [Indexed: 02/08/2023]
Abstract
Hypertension has been recognized as one of the most frequent comorbidities and risk factors for the seriousness and adverse consequences in COVID-19 patients. 3,4-dihydropyrimidin-2(1H) ones have attracted researchers to be synthesized via Beginilli reaction and evaluate their antihypertensive activities as bioisosteres of nifedipine a well-known calcium channel blocker. In this study, we report synthesis of some bioisosteres of pyrimidines as novel CCBs with potential ACE2 inhibitory effect as antihypertensive agents with protective effect against COVID-19 infection by suppression of ACE2 binding to SARS-CoV-2 Spike RBD. All compounds were evaluated for their antihypertensive and calcium channel blocking activities using nifedipine as a reference standard. Furthermore, they were screened for their ACE2 inhibition potential in addition to their anti‐inflammatory effects on LPS-stimulated THP‐1 cells. Most of the tested compounds exhibited significant antihypertensive activity, where compounds 7a, 8a and 9a exhibited the highest activity compared to nifedipine. Moreover, compounds 4a,b, 5a,b, 7a,b, 8a,c and 9a showed promising ACE2:SARS-CoV-2 Spike RBD inhibitory effect. Finally, compounds 5a, 7b and 9a exerted a promising anti-inflammatory effect by inhibition of CRP and IL-6 production. Ultimately, compound 9a may be a promising antihypertensive candidate with anti-inflammatory and potential efficacy against COVID-19 via ACE2 receptor inhibition.
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Affiliation(s)
- Shahenda Mahgoub
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, P.O. Box, 11795 Cairo, Egypt.
| | - Mohamed-I Kotb El-Sayed
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, P.O. Box, 11795 Cairo, Egypt; Department of Biochemistry, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Mohamed F El-Shehry
- Pesticide Chemistry Department, National Research Centre, P.O. Box, 12622 Dokki, Egypt
| | - Samir Mohamed Awad
- Pharmaceutical Organic Chemistry Department, Helwan University, P.O. Box, 11795 Cairo, Egypt
| | - Yara E Mansour
- Pharmaceutical Organic Chemistry Department, Helwan University, P.O. Box, 11795 Cairo, Egypt
| | - Samar S Fatahala
- Pharmaceutical Organic Chemistry Department, Helwan University, P.O. Box, 11795 Cairo, Egypt.
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Si PB, Zhe HF, Zhou AH, Liu XQ, Teng MY, Rong MZ, Wang YF, Wang Q, Wang ZL, Zhang J. Synthesis and photoelectric properties of Ir III complexes using fluorobenzylimidazole[2,1- b]thiazole derivatives as primary ligands. NEW J CHEM 2021. [DOI: 10.1039/d1nj03784f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Twelve novel phosphorescent IrIII complexes based on fluorobenzimidazole[2,1-b]thiazole derivatives as primary ligands with luminescent nearly full colors.
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Affiliation(s)
- Peng-bin Si
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Hai-feng Zhe
- School of Chemistry & Environment, Yunnan Minzu University, Kunming, Yunnan 650504, China
| | - Ai-hui Zhou
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Xiao-qing Liu
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Ming-yu Teng
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Mei-zhu Rong
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Yu-fei Wang
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Qin Wang
- Facult of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China
| | - Zheng-liang Wang
- School of Chemistry & Environment, Yunnan Minzu University, Kunming, Yunnan 650504, China
| | - Jie Zhang
- School of Pharmmaceutical and Materials Engineering, Taizhou University, Taizhou 318000, Zhejiang Province, China
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