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Manya BS, Kumar MRP, Rajagopal K, Hassan MA, Rab SO, Alshehri MA, Emran TB. Insights into the Biological Activities and Substituent Effects of Pyrrole Derivatives: The Chemistry-Biology Connection. Chem Biodivers 2024:e202400534. [PMID: 38771305 DOI: 10.1002/cbdv.202400534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/19/2024] [Accepted: 05/21/2024] [Indexed: 05/22/2024]
Abstract
Pyrrole, with its versatile heterocyclic ring structure, serves as a valuable template for generating a diverse range of lead compounds with various pharmacophores. Researchers and scientists globally are intrigued by pyrrole and its analogs for their broad pharmacological potential, prompting thorough investigations aimed at advancing human welfare. This comprehensive review delves into the diverse activities exhibited by pyrrole compounds, encompassing their synthesis, reactions, and pharmacological properties alongside their derivatives. In addition to detailing the characteristics of pyrrole and its derivatives within the context of green chemistry, the review also examines microwave-assisted reactions. It provides insights into their chemical structures, natural occurrences, and potential applications across various domains. Furthermore, the article investigates structural alterations of pyrrole compounds and their implications on their functionality, highlighting their versatility as foundational elements for both functional materials and bioactive compounds. The review emphasizes the need for ongoing research and development in the field of pyrrole compounds to discover new activities and benefits.
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Affiliation(s)
- B S Manya
- Department of Pharmaceutical Chemistry, KLE College of Pharmacy, Vidyanagar, Hubballi, 580031, India
| | - M R Pradeep Kumar
- Department of Pharmaceutical Chemistry, KLE College of Pharmacy, Vidyanagar, Hubballi, 580031, India
| | - Kalirajan Rajagopal
- Department of Pharmaceutical chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, 643001, The Nilgiris, Tamil Nadu, India
| | - Md Abul Hassan
- Department of Pharmacy, State University of Bangladesh, 77 Satmasjid Road, Dhanmondi, Dhaka, 1205, Bangladesh
| | - Safia Obaidur Rab
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, King Khalid University, Abha, Saudi Arabia
| | - Mohammed Ali Alshehri
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
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Ferrando N, Pino-Otín MR, Ballestero D, Lorca G, Terrado EM, Langa E. Enhancing Commercial Antibiotics with Trans-Cinnamaldehyde in Gram-Positive and Gram-Negative Bacteria: An In Vitro Approach. PLANTS (BASEL, SWITZERLAND) 2024; 13:192. [PMID: 38256746 PMCID: PMC10820649 DOI: 10.3390/plants13020192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/21/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
One strategy to mitigate the emergence of bacterial resistance involves reducing antibiotic doses by combining them with natural products, such as trans-cinnamaldehyde (CIN). The objective of this research was to identify in vitro combinations (CIN + commercial antibiotic (ABX)) that decrease the minimum inhibitory concentration (MIC) of seven antibiotics against 14 different Gram-positive and Gram-negative pathogenic bacteria, most of them classified as ESKAPE. MIC values were measured for all compounds using the broth microdilution method. The effect of the combinations on these microorganisms was analyzed through the checkboard assay to determine the type of activity (synergy, antagonism, or addition). This analysis was complemented with a kinetic study of the synergistic combinations. Fifteen synergistic combinations were characterized for nine of the tested bacteria. CIN demonstrated effectiveness in reducing the MIC of chloramphenicol, streptomycin, amoxicillin, and erythromycin (94-98%) when tested on Serratia marcescens, Staphylococcus aureus, Pasteurella aerogenes, and Salmonella enterica, respectively. The kinetic study revealed that when the substances were tested alone at the MIC concentration observed in the synergistic combination, bacterial growth was not inhibited. However, when CIN and the ABX, for which synergy was observed, were tested simultaneously in combination at these same concentrations, the bacterial growth inhibition was complete. This demonstrates the highly potent in vitro synergistic activity of CIN when combined with commercial ABXs. This finding could be particularly beneficial in livestock farming, as this sector witnesses the highest quantities of antimicrobial usage, contributing significantly to antimicrobial resistance issues. Further research focused on this natural compound is thus warranted for this reason.
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Affiliation(s)
- Natalia Ferrando
- Facultad de Ciencias de la Salud, Universidad San Jorge, Campus Universitario Villanueva de Gállego, Autovía A-23 Zaragoza-Huesca, km. 510, 50830 Villanueva de Gállego, Spain; (N.F.); (M.R.P.-O.); (D.B.); (G.L.)
| | - María Rosa Pino-Otín
- Facultad de Ciencias de la Salud, Universidad San Jorge, Campus Universitario Villanueva de Gállego, Autovía A-23 Zaragoza-Huesca, km. 510, 50830 Villanueva de Gállego, Spain; (N.F.); (M.R.P.-O.); (D.B.); (G.L.)
| | - Diego Ballestero
- Facultad de Ciencias de la Salud, Universidad San Jorge, Campus Universitario Villanueva de Gállego, Autovía A-23 Zaragoza-Huesca, km. 510, 50830 Villanueva de Gállego, Spain; (N.F.); (M.R.P.-O.); (D.B.); (G.L.)
| | - Guillermo Lorca
- Facultad de Ciencias de la Salud, Universidad San Jorge, Campus Universitario Villanueva de Gállego, Autovía A-23 Zaragoza-Huesca, km. 510, 50830 Villanueva de Gállego, Spain; (N.F.); (M.R.P.-O.); (D.B.); (G.L.)
| | - Eva María Terrado
- Departamento de Didácticas Específicas, Facultad de Educación, Universisad de Zaragoza, Calle Pedro Cerbuna 12, 50009 Zaragoza, Spain;
| | - Elisa Langa
- Facultad de Ciencias de la Salud, Universidad San Jorge, Campus Universitario Villanueva de Gállego, Autovía A-23 Zaragoza-Huesca, km. 510, 50830 Villanueva de Gállego, Spain; (N.F.); (M.R.P.-O.); (D.B.); (G.L.)
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Alzahrani AYA, Shehab WS, Amer AH, Assy MG, Mouneir SM, Aziz MA, Abdel Hamid AM. Design, synthesis, pharmacological evaluation, and in silico studies of the activity of novel spiro pyrrolo[3,4- d]pyrimidine derivatives. RSC Adv 2024; 14:995-1008. [PMID: 38174254 PMCID: PMC10759174 DOI: 10.1039/d3ra07078f] [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: 10/17/2023] [Accepted: 12/09/2023] [Indexed: 01/05/2024] Open
Abstract
In the present study, spiro compounds are shown to have distinctive characteristics because of their interesting conformations and their structural impacts on biological systems. A new family of functionalized spiro pyrrolo[3,4-d]pyrimidines is prepared via the one-pot condensation reaction of amino cyclohexane derivatives with benzaldehyde to prepare fused azaspiroundecanedione and azaspirodecenone/thione derivatives. A series of synthesized spiro compounds were scanned against DPPH and evaluated for their ability to inhibit COX-1 and COX-2. All compounds exhibit significant antiinflammatory activity, and they inhibited both COX-1 and COX-2 enzymes with a selectivity index higher than celecoxib as a reference drug. The most powerful and selective COX-2 inhibitor compounds were 11 and 6, with selectivity indices of 175 and 129.21 in comparison to 31.52 of the standard celecoxib. However, candidate 14 showed a very promising antiinflammatory activity with an IC50 of 6.00, while celecoxib had an IC50 of 14.50. Our findings are promising in the area of medicinal chemistry for further optimization of the newly designed and synthesized compounds regarding the discussed structure-activity relationship study (SAR), in order to obtain a superior antioxidant lead compound in the near future. All chemical structures of the novel synthesized candidates were unequivocally elucidated and confirmed utilizing spectroscopic and elemental investigations.
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Affiliation(s)
- Abdullah Y A Alzahrani
- Department of Chemistry, Faculty of Science and Arts, King Khalid University Mohail Assir Saudi Arabia
| | - Wesam S Shehab
- Department of Chemistry, Faculty of Science, Zagazig University Zagazig 44519 Egypt
| | - Asmaa H Amer
- Department of Chemistry, Faculty of Science, Zagazig University Zagazig 44519 Egypt
| | - Mohamed G Assy
- Department of Chemistry, Faculty of Science, Zagazig University Zagazig 44519 Egypt
| | - Samar M Mouneir
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University Cairo 12211 Egypt
| | - Maged A Aziz
- Department of Chemistry, Faculty of Science, Zagazig University Zagazig 44519 Egypt
| | - Atef M Abdel Hamid
- Department of Chemistry, Faculty of Science, Zagazig University Zagazig 44519 Egypt
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4
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Prates JLB, Lopes JR, Chin CM, Ferreira EI, Dos Santos JL, Scarim CB. Discovery of Novel Inhibitors of Cruzain Cysteine Protease of Trypanosoma cruzi. Curr Med Chem 2024; 31:2285-2308. [PMID: 37888814 DOI: 10.2174/0109298673254864230921090519] [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: 04/06/2023] [Revised: 07/11/2023] [Accepted: 08/15/2023] [Indexed: 10/28/2023]
Abstract
Chagas disease (CD) is a parasitic disease endemic in several developing countries. According to the World Health Organization, approximately 6-8 million people worldwide are inflicted by CD. The scarcity of new drugs, mainly for the chronic phase, is the main reason for treatment limitation in CD. Therefore, there is an urgent need to discover new targets for which new therapeutical agents could be developed. Cruzain cysteine protease (CCP) is a promising alternative because this enzyme exhibits pleiotropic effects by acting as a virulence factor, modulating host immune cells, and interacting with host cells. This systematic review was conducted to discover new compounds that act as cruzain inhibitors, and their effects in vitro were studied through enzymatic assays and molecular docking. Additionally, the advances and perspectives of these inhibitors are discussed. These findings are expected to contribute to medicinal chemistry in view of the design of new, safe, and efficacious inhibitors against Trypanosoma cruzi CCP detected in the last decade (2013-2022) to provide scaffolds for further optimization, aiming toward the discovery of new drugs.
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Affiliation(s)
- João Lucas Bruno Prates
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Chemistry Institute Araraquara, São Paulo State University (UNESP), SP, Brazil
| | - Juliana Romano Lopes
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Chung Man Chin
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Union of the Colleges of the Great Lakes (UNILAGO), School of Medicine, Advanced Research Center in Medicine, São José do Rio Preto, SP, Brazil
| | - Elizabeth Igne Ferreira
- LAPEN-Laboratory of Design and Synthesis of Chemotherapeutic Agents Potentially Active on Neglected Diseases, Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Jean Leandro Dos Santos
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Chemistry Institute Araraquara, São Paulo State University (UNESP), SP, Brazil
| | - Cauê Benito Scarim
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
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Khamitova А, Berillo D, Lozynskyi A, Konechnyi Y, Mural D, Georgiyants V, Lesyk R. Thiadiazole and Thiazole Derivatives as Potential Antimicrobial Agents. Mini Rev Med Chem 2024; 24:531-545. [PMID: 37448365 DOI: 10.2174/1389557523666230713115947] [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: 04/24/2023] [Revised: 05/17/2023] [Accepted: 06/09/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND This review summarizes data on heterocyclic systems with thiadiazole and thiazole fragments in molecules as promising antimicrobial agents. INTRODUCTION Thiadiazole and thiazole backbones are the most favored and well-known heterocycles, a common and essential feature of various drugs. These scaffolds occupy a central position and are the main structural components of numerous drugs with a wide spectrum of action. These include antimicrobial, antituberculous, anti-inflammatory, analgesic, antiepileptic, antiviral, and anticancer agents. METHOD The research is based on bibliosemantic and analytical methods using bibliographic and abstract databases, as well as databases of chemical compounds. RESULT This review reports on thiadiazole and thiazole derivatives, which have important pharmacological properties. We are reviewing the structural modifications of various thiadiazole and thiazole derivatives, more specifically, the antimicrobial activity reported over the last years, as we have taken this as our main research area. 80 compounds were illustrated, and various derivatives containing hydrazone bridged thiazole and pyrrole rings, 2-pyridine and 4-pyridine substituted thiazole derivatives, compounds containing di-, tri- and tetrathiazole moieties, spiro-substituted 4- thiazolidinone-imidazoline-pyridines were analyzed. Derivatives of 5-heteroarylidene-2,4- thiazolidinediones, fluoroquinolone-thiadiazole hybrids, and others. CONCLUSION 1,3,4-thiadiazoles and thiazoles are valuable resource for researchers engaged in rational drug design and development in this area.
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Affiliation(s)
- Аkzhonas Khamitova
- Department of Pharmaceutical and Toxicological Chemistry, Pharmacognosy and Botany, NJSC «Asfendiyarov Kazakh National Medical University», 94 Tole Bi, Almaty, 050000, Kazakhstan
| | - Dmitriy Berillo
- Department of Pharmaceutical and Toxicological Chemistry, Pharmacognosy and Botany, NJSC «Asfendiyarov Kazakh National Medical University», 94 Tole Bi, Almaty, 050000, Kazakhstan
- Department of Chemistry and Biochemical Engineering, Institute of Chemical and Biological Technologies (IHBT), Satbayev University 22 Satbaev, Almaty, 050013, Kazakhstan
| | - Andrii Lozynskyi
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, 69 Pekarska, Lviv, 79010, Ukraine
| | - Yulian Konechnyi
- Department of Microbiology, Danylo Halytsky Lviv National Medical University, 69 Pekarska, Lviv, 79010, Ukraine
| | - Dmytro Mural
- Department of Pharmaceutical Chemistry, National University of Pharmacy, 4 Valentynivska, Kharkiv, 61168, Ukraine
| | - Victoriya Georgiyants
- Department of Pharmaceutical Chemistry, National University of Pharmacy, 4 Valentynivska, Kharkiv, 61168, Ukraine
| | - Roman Lesyk
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, 69 Pekarska, Lviv, 79010, Ukraine
- Department of Biotechnology and Cell Biology, University of Information Technology and Management in Rzeszow, 2 Sucharskiego, Rzeszow, 35-225, Poland
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Miranda-Sánchez D, Escalante CH, Andrade-Pavón D, Gómez-García O, Barrera E, Villa-Tanaca L, Delgado F, Tamariz J. Pyrrole-Based Enaminones as Building Blocks for the Synthesis of Indolizines and Pyrrolo[1,2- a]pyrazines Showing Potent Antifungal Activity. Molecules 2023; 28:7223. [PMID: 37894702 PMCID: PMC10608852 DOI: 10.3390/molecules28207223] [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: 09/08/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
As a new approach, pyrrolo[1,2-a]pyrazines were synthesized through the cyclization of 2-formylpyrrole-based enaminones in the presence of ammonium acetate. The enaminones were prepared with a straightforward method, reacting the corresponding alkyl 2-(2-formyl-1H-pyrrol-1-yl)acetates, 2-(2-formyl-1H-pyrrol-1-yl)acetonitrile, and 2-(2-formyl-1H-pyrrol-1-yl)acetophenones with DMFDMA. Analogous enaminones elaborated from alkyl (E)-3-(1H-pyrrol-2-yl)acrylates were treated with a Lewis acid to afford indolizines. The antifungal activity of the series of substituted pyrroles, pyrrole-based enaminones, pyrrolo[1,2-a]pyrazines, and indolizines was evaluated on six Candida spp., including two multidrug-resistant ones. Compared to the reference drugs, most test compounds produced a more robust antifungal effect. Docking analysis suggests that the inhibition of yeast growth was probably mediated by the interaction of the compounds with the catalytic site of HMGR of the Candida species.
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Affiliation(s)
- Diter Miranda-Sánchez
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
| | - Carlos H. Escalante
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
| | - Dulce Andrade-Pavón
- Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu S/N, Mexico City 07738, Mexico;
- Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico;
| | - Omar Gómez-García
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
| | - Edson Barrera
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
| | - Lourdes Villa-Tanaca
- Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico;
| | - Francisco Delgado
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
| | - Joaquín Tamariz
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Mexico City 11340, Mexico; (D.M.-S.); (C.H.E.); (O.G.-G.); (E.B.); (F.D.)
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7
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Abdel Hamid AM, Amer AH, Assy MG, Zordok WA, Mouneir SM, El-Kalyoubi S, Shehab WS. Synthesis, pharmacological evaluation, DFT calculation, and theoretical investigation of spirocyclohexane derivatives. Bioorg Chem 2023; 131:106280. [PMID: 36436418 DOI: 10.1016/j.bioorg.2022.106280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/05/2022] [Accepted: 11/13/2022] [Indexed: 11/21/2022]
Abstract
Polycyclic structures fused at a central carbon are of great interest due to their appealing conformational features and their structural implications in biological systems. Although progress in the development of synthetic methodologies toward such structures has been impressive, the stereo selective construction of such quaternary stereo centers remains a significant challenge in the total synthesis of natural products. From the computational calculations by Density Functional Theory along with the B3LYP as basis set, It is obvious that the all studied compounds are soft molecules and η varied from 0.069 for compound (10) to 0.087 for compound (15), while the compound (14) is treated as hard molecule, the value of η is 0.102, also the electronic transition within the soft compounds is easy as indicated from the △E, the compound (10) is absolute soft according to the (σ = 14.49 eV), while the compound (14) is treated as hard compounds (σ = 9.804 eV). The newly formed compounds exhibited both anti-inflammatory and antioxidant activities on HRBC homolytic and membrane stabilization and DPPH scavenging percent, respectively.
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Affiliation(s)
- Atef M Abdel Hamid
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Asmaa H Amer
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Mohamed G Assy
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Wael A Zordok
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Samar M Mouneir
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Cairo 12211, Egypt
| | - Samar El-Kalyoubi
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo 11651, Egypt
| | - Wesam S Shehab
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
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Valorization of Spent Coffee Grounds as a Natural Source of Bioactive Compounds for Several Industrial Applications-A Volatilomic Approach. Foods 2022; 11:foods11121731. [PMID: 35741929 PMCID: PMC9222233 DOI: 10.3390/foods11121731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 01/25/2023] Open
Abstract
Coffee is one of the most popular beverages worldwide, whose production and consumption result in large amounts of waste, namely spent coffee grounds, constituting an important source of compounds for several industrial applications. This work focused on the establishment of the volatile fingerprint of five spent coffee grounds from different geographical origins using headspace solid-phase microextraction coupled with gas chromatography-mass spectrometry (HS-SPME/GC-MS), as a strategy to identify volatile organic metabolites (VOMs) with potential application in the food industry as antioxidant, anti-inflammatory, and antiproliferative agents. One hundred eleven VOMs belonging to different chemical families were identified, of which 60 were found in all spent coffee grounds analyzed. Furanic compounds (34%), nitrogen compounds (30%), and esters (19%) contributed significant to the total volatile fingerprint. The data obtained suggest that spent coffee grounds have great potential to be used as raw material for different approaches in the food industry towards the development of new food ingredients or products for human consumption, in addition to pharmaceutical and cosmetic applications, namely as antioxidant (e.g., limonene, carvacrol), antimicrobial (e.g., pyrrole-2-carboxaldehyde, β-myrcene) and anti-inflammatory (e.g., furfural, 2-furanmethanol) agents, promoting their integral valorization within the circular bioeconomy concept.
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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10
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Antioxidant Properties, Neuroprotective Effects and in Vitro Safety Evaluation of New Pyrrole Derivatives. Pharm Chem J 2022. [DOI: 10.1007/s11094-022-02577-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Baharfar R, Verdian M, Mohajer S. New protocol for diastereoselective synthesis of spirodihydropyrrole-oxindole derivatives. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02121-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Fungal keratitis infected eye treatment with antibiotic-loaded zinc ions tagged polyvinyl acetate phthalate-g-polypyrrole drug carrier. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Rohit KR, Meera G, Anilkumar G. A
solvent‐free manganese(II) ‐catalyzed Clauson‐Kaas
protocol for the synthesis of
N‐aryl
pyrroles under microwave irradiation. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Gopinadh Meera
- School of Chemical Sciences Mahatma Gandhi University Kottayam India
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Kottayam India
- Advanced Molecular Materials Research Centre (AMMRC) Mahatma Gandhi University Kottayam India
- Institute for Integrated programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Kottayam India
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14
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Nuha D, Evren AE, Yılmaz Cankılıç M, Yurttaş L. Design and synthesis of novel 2,4,5-thiazole derivatives as 6-APA mimics and antimicrobial activity evaluation. PHOSPHORUS SULFUR 2021. [DOI: 10.1080/10426507.2021.1946537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Demokrat Nuha
- Department of Chemistry, Faculty of Science, Eskisehir Technical University, Eskişehir, Turkey
| | - Asaf Evrim Evren
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
- Vocational School of Health Services, Bilecik Seyh Edebali University, Bilecik, Turkey
| | - Meral Yılmaz Cankılıç
- Department of Biology, Faculty of Science, Eskisehir Technical University, Eskişehir, Turkey
| | - Leyla Yurttaş
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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Matesanz AI, Herrero JM, Quiroga AG. Chemical and Biological Evaluation of Thiosemicarbazone-Bearing Heterocyclic Metal Complexes. Curr Top Med Chem 2021; 21:59-72. [PMID: 33092510 DOI: 10.2174/1568026620666201022144004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/06/2020] [Accepted: 09/14/2020] [Indexed: 01/07/2023]
Abstract
Thiosemicarbazones (TSCNs) constitute a broad family of compounds (R1R2C=N-NH-C(S)- NR3R4), particularly attractive because many of them display some biological activity against a wide range of microorganisms and cancer cells. Their activity can be related to their electronic and structural properties, which offer a rich set of donor atoms for metal coordination and a high electronic delocalization providing different binding modes for biomolecules. Heterocycles such as pyrrole, imidazole and triazole are present in biological molecules such as Vitamine B12 and amino acids and could potentially target multiple biological processes. Considering this, we have explored the chemistry and biological properties of thiosemicarbazones series and their complexes bearing heterocycles such as pyrrole, imidazole, thiazole and triazole. We focus at the chemistry and cytotoxicity of those derivatives to find out the structure activity relationships, and particularly we analyzed those examples with the TSCN units in which the mechanism of action information has been profoundly studied and pathways determined, to promote future studies for heterocycle derivatives.
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Affiliation(s)
- Ana I Matesanz
- Departamento Quimica Inorganica, Universidad Autonoma de Madrid, Madrid, Spain
| | - Jorge M Herrero
- Departamento Quimica Inorganica, Universidad Autonoma de Madrid, Madrid, Spain
| | - Adoración G Quiroga
- Departamento Quimica Inorganica, Universidad Autonoma de Madrid, Madrid, Spain
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16
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Evren AE, Yurttaş L, Ekselli B, Aksoy O, Akalin-Çiftçi G. Design and Efficient Synthesis of Novel 4,5-Dimethylthiazole-Hydrazone Derivatives and their Anticancer Activity. LETT DRUG DES DISCOV 2021. [DOI: 10.2174/1570180817999201022192937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background::
Recently, researchers have been warning about the increased mortality of
the various cancer types. Also, the lung adenocarcinoma and the glioma types are burning issues for
world's health due to late or wrong diagnosis and/or insufficient treatment methods. For this
purpose, our research group designed and synthesized novel 4,5-dimethyl thiazole-hydrazone
derivatives which were tested against cancer and normal cell lines to understand the structureactivity
relationship (SAR).
Method::
The lead compounds were obtained by reacting 2-(substituted aryl-2-ylmethylene)
hydrazin-1-carbothioamide with 3-chloro-2-butanone derivatives. The structural elucidation of the
compounds was performed by 1H-NMR, 13C-NMR, and LC/MS-IT-TOF spectral and elemental
analyses. The synthesized compounds were tested in vitro for the anticancer activity against A549
human lung adenocarcinoma and C6 rat glioma cells and investigated for which pathway to induce
cell death. Also, the docking study of the active compounds was achieved to understand the SAR.
Result and Discussion::
The targeted compounds (2a-2l) were synthesized successfully above 70% yields, and
the analysis findings proved their purity. In general, the results of activity studies displayed
significant effects against at least one cell line, except compounds 2e (indol-3-yl) and 2h
(4-dimethylaminophenyl). Furthermore, compounds 2b and 2f displayed potential anticancer
activity. With the help of molecular docking study, a potential selectivity of compound 2f was
observed for type II protein kinase. On the other hand, compound 2b interacted with the active site
nearly the same as Dasatinib. Therefore, these two compounds could be used as a base on
developing selective anticancer drugs.
Conclusion::
Pyridin-2-yl (2b) derivative was found to be a favorable molecule with high anticancer
potency against C6 and A549 cell lines. Additionally, 1-naphthyl (2f) derivative was a worthy
compound for potential selectivity. In future studies, it will be our priority to focus on developing
derivatives of these two compounds (2b and 2f) and elucidate their mechanisms.
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Affiliation(s)
- Asaf Evrim Evren
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir,Turkey
| | - Leyla Yurttaş
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir,,Turkey
| | - Büşra Ekselli
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir,Turkey
| | - Onur Aksoy
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir,Turkey
| | - Gülşen Akalin-Çiftçi
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir,Turkey
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17
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An Overview of the Synthesis and Antimicrobial, Antiprotozoal, and Antitumor Activity of Thiazole and Bisthiazole Derivatives. Molecules 2021; 26:molecules26030624. [PMID: 33504100 PMCID: PMC7865802 DOI: 10.3390/molecules26030624] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 11/16/2022] Open
Abstract
Thiazole, a five-membered heteroaromatic ring, is an important scaffold of a large number of synthetic compounds. Its diverse pharmacological activity is reflected in many clinically approved thiazole-containing molecules, with an extensive range of biological activities, such as antibacterial, antifungal, antiviral, antihelmintic, antitumor, and anti-inflammatory effects. Due to its significance in the field of medicinal chemistry, numerous biologically active thiazole and bisthiazole derivatives have been reported in the scientific literature. The current review provides an overview of different methods for the synthesis of thiazole and bisthiazole derivatives and describes various compounds bearing a thiazole and bisthiazole moiety possessing antibacterial, antifungal, antiprotozoal, and antitumor activity, encouraging further research on the discovery of thiazole-containing drugs.
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Gagare D, Patil R, Lokhande R, Dwivedi P, Deshmukh A. Synthesis and characterization of (E)-2-(1-hydrazonoethyl)-4,5-dimethylphenol from 2-hydroxy-4,5-dimethylacetophenone. J CHEM SCI 2020. [DOI: 10.1007/s12039-020-01802-4] [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]
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19
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GC-MS-Based Metabolomics Analysis of Prawn Shell Waste Co-Fermentation by Lactobacillus plantarum and Bacillus subtilis. POLYSACCHARIDES 2020. [DOI: 10.3390/polysaccharides1010004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
GC-MS-based metabolomics were used to investigate metabolic changes in prawn shell waste during fermentation. Microbial strains Lactobacillus plantarum and Bacillus subtilis were co-fermented in a shake flask comprising of 5% (w/v) prawn shell waste and 20% (w/v) glucose as a carbon source. Analysis of the prawn shell waste fermentation showed a total of 376 metabolites detected in the culture supernatant, including 14 amino acids, 106 organic acids, and 90 antimicrobial molecules. Results show that the liquid fraction of the co-fermentation is promising for harvesting valuable metabolites for probiotics application.
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20
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Meera G, Rohit KR, Saranya S, Anilkumar G. Microwave assisted synthesis of five membered nitrogen heterocycles. RSC Adv 2020; 10:36031-36041. [PMID: 35517065 PMCID: PMC9057010 DOI: 10.1039/d0ra05150k] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/02/2020] [Indexed: 11/21/2022] Open
Abstract
Our continuously changing environment demands sensible and sustainable chemistry. Consequently, organic synthesis started to follow green chemistry principles in recent years. It is observed that microwave (MW) radiation has been widely used as a source of energy in organic synthesis in the past decade. The MW heating approach has evolved into a new green method in organic synthesis since it provides short reaction time, high yields, and high product purities along with a decrease in the rate of by-product formation. Solvent-free reaction protocols worked well under MW irradiation. All these features make MW assisted organic synthesis an environment-friendly approach. In organic synthesis, heterocycles are vital targets especially nitrogen-containing ones because of their prominent presence in natural products and widespread applications in pharmaceutical industries. Five membered nitrogen heterocycles include pyrroles, oxazoles, pyrrolidones, etc. among which pyrroles are the most important ones due to their potent biological properties. Even though there are a variety of reaction protocols for the synthesis of pyrroles, a significant development materialized in MW assisted synthesis of pyrroles in the past few years. In this review, we focus on the developments in MW assisted synthesis of pyrroles and other five-membered nitrogen heterocycles.
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Affiliation(s)
- Gopinadh Meera
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India +91-481-273 1036
| | - K R Rohit
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India +91-481-273 1036
| | - Salim Saranya
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India +91-481-273 1036
| | - Gopinathan Anilkumar
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India +91-481-273 1036.,Advanced Molecular Materials Research Centre (AMMRC), Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India.,Institute for Integrated Programmes and Research in Basic Sciences (IIRBS), Mahatma Gandhi University Priyadarsini Hills P O. Kottayam Kerala 686 560 India
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21
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Synthesis, in vitro safety and antioxidant activity of new pyrrole hydrazones. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2020; 70:303-324. [PMID: 32074071 DOI: 10.2478/acph-2020-0026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/12/2019] [Indexed: 01/19/2023]
Abstract
Six new N-pyrrolylhydrazide hydrazones were synthesized under micro synthesis conditions, assuring about 59-93 % yield, low harmful emissions and reagent economy. The structures of the new compounds were elucidated by melting points, TLC characteristics, IR, 1H and 13C NMR spectral data followed by MS data. The purity of the obtained compounds was proven by the corresponding elemental analyses. "Lipinski's rule of five" parameters were applied for preliminary evaluation of the pharmacokinetic properties of the target molecules. The initial in vitro safety screening for cytotoxicity (on HepG2 cells) and hemocompatibility (hemolysis assay) showed good safety of the new compounds, where ethyl 5-(4-bromophenyl)-1-(1-(2-(4-hydroxy-3-methoxybenzylidene)-hydrazineyl)-1-oxo-3-phenylpropan-2-yl)-2-methyl-1H-pyr-role-3-carboxylate (4d) and ethyl 5-(4-bromophenyl)-1-(1-(2-(2-hydroxybenzylidene)hydrazineyl)-1-oxo-3-phenylpropan--2-yl)-2-methyl-1H-pyrrole-3-carboxylate (4a) were the least toxic. The antioxidant activity in terms of radical scavenging activity (DPPH test) and reducing ability (ABTS) was also evaluated. The antioxidant protective potential of the compounds was next determined in different in vitro cellular-based models, revealing compounds 4d and 3 [ethyl 5-(4-bromophenyl)-1-(1-hydrazineyl-1-oxo-3-phenylpropan-2-yl)-2-methyl-1H-pyrrole-3-carboxylate] as the most promising compounds, with 4d having better safety profile.
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22
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Synthesis, pharmacological evaluation and structure-activity relationship of recently discovered enzyme antagonist azoles. Heliyon 2020; 6:e03656. [PMID: 32274429 PMCID: PMC7132078 DOI: 10.1016/j.heliyon.2020.e03656] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/06/2020] [Accepted: 03/20/2020] [Indexed: 12/18/2022] Open
Abstract
Global people are suffering from the legion of diseases. Cytotoxic property of the chemical compound would not solely influence effective drug properties and reduce unnecessary side effects. Proteins/enzymes responsible for microbe proliferation or survival are specifically targeted and inhibited successfully making the cells to undergo apoptosis. Furthermore, isoforms of essential enzymes have distinct physiological functions; thereby inhibition of essential enzyme isoforms is an apt way to the clinical approach of disease neutralization. Drugs are designed so as to play significant roles such as signaling pathways in the oncogenic process including cell proliferation, invasion, and angiogenesis. The present review comprises collective information of the recent synthesis of various organic drug compounds in brief, which could inhibit particular enzyme. The review also covers the correlation of the structure of a drug molecule designed and its inhibitory activity. Also, the most significant enzyme inhibitors are highlighted and structural moieties/core units responsible for remarkable inhibitory values are emphasized.
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23
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Zhang Y, Fu X, Yan Y, Liu J. Microwave‐assisted synthesis and biological evaluation of new thiazolylhydrazone derivatives as tyrosinase inhibitors and antioxidants. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3760] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Yu Zhang
- Department of Food and Chemical EngineeringShaoyang University Shao Shui Xi Road, Shaoyang 422100 People's Republic of China
| | - Xi Fu
- Department of Food and Chemical EngineeringShaoyang University Shao Shui Xi Road, Shaoyang 422100 People's Republic of China
| | - Yangting Yan
- Department of Food and Chemical EngineeringShaoyang University Shao Shui Xi Road, Shaoyang 422100 People's Republic of China
| | - Jinbing Liu
- Department of Food and Chemical EngineeringShaoyang University Shao Shui Xi Road, Shaoyang 422100 People's Republic of China
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24
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Tzankova D, Peikova L, Vladimirova S, Georgieva M. Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. PHARMACIA 2019. [DOI: 10.3897/pharmacia.66.e47035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
RP-HPLC method with UV detection was developed and validated for determination of the chemical stability and stability in close to physiological conditions of a model pyrrole hydrazone ethyl 5-(4-bromophenyl)-1-(1-(2-(4-hydroxy-3-methoxybenzylidene) hydrazineyl)-4-methyl-1-oxopentan-2-yl)-2-methyl-1H-pyrrole-3-carboxylate (D_5d), containing susceptible to hydrolysis hydrazone group. The evaluated substance was subjected to the influence of a variety of pH , representing the main physiological values of 37°C and corresponding pH values in the stomach (pH 2.0), blood (pH 7.4) and small intestine (pH 9.0). Chemical stability in a highly alkaline medium with a pH of 13.0 was also evaluated. The hydrazone I tested was found to be stable at pH 7.4 and pH 9.0 and 37 ° C and hydrolyzed under strong acidic (pH 2.0) and highly alkaline media (pH 13.0) and at the same temperature.The products of hydrolysis were identified to be the initial hydrazide and aldehyde, pointing the hydrazone group as most liable.
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25
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Foroughi Kaldareh M, Mokhtary M, Nikpassand M. Deep Eutectic Solvent Mediated One-Pot Synthesis of Hydrazinyl-4-Phenyl-1,3-Thiazoles. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1639062] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
| | - Masoud Mokhtary
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
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26
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Chen J, Li C, Zhou Y, Sun C, Sun T. An Efficient, Scalable and Eco‐friendly Synthesis of 4,5‐substituted Pyrrole‐3‐Carbonitriles by Intramolecular Annulation on Pd/C and HZSM‐5. ChemCatChem 2019. [DOI: 10.1002/cctc.201900154] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jianchao Chen
- Key Laboratory of Structure-based Drug Design and DiscoveryShenyang Pharmaceutical University Ministry of Education Shenyang 110016 PR China
| | - Chengtao Li
- Key Laboratory of Structure-based Drug Design and DiscoveryShenyang Pharmaceutical University Ministry of Education Shenyang 110016 PR China
| | - Yanan Zhou
- Key Laboratory of Structure-based Drug Design and DiscoveryShenyang Pharmaceutical University Ministry of Education Shenyang 110016 PR China
| | - Changshan Sun
- Pharmacy DepartmentShenyang Pharmaceutical University Shenyang 110016 PR China
| | - Tiemin Sun
- Key Laboratory of Structure-based Drug Design and DiscoveryShenyang Pharmaceutical University Ministry of Education Shenyang 110016 PR China
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27
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Gholami S, Mokhtary M. An Efficient Method for the One‐pot Synthesis of 4‐Phenyl‐hydrazinyl Thiazole Derivatives Using Nano‐SiO2. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3371] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Sahar Gholami
- Department of Chemistry, Rasht BranchIslamic Azad University Rasht Iran
| | - Masoud Mokhtary
- Department of Chemistry, Rasht BranchIslamic Azad University Rasht Iran
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Carbazole and hydrazone derivatives as new competitive inhibitors of tyrosinase: Experimental clues to binuclear copper active site binding. Bioorg Chem 2018; 83:235-241. [PMID: 30384179 DOI: 10.1016/j.bioorg.2018.10.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 10/11/2018] [Accepted: 10/15/2018] [Indexed: 11/21/2022]
Abstract
In this work a total of 12 carbazoles and hydrazone-bridged thiazole-pyrrole derivatives have been identified as new competitive inhibitors of tyrosinase. Carbazole derivative with 2-benzoimidazole substitution showed most potent inhibition in the series. Other carbazole derivatives containing benzothiazole and benzoxazole substitutions showed comparable levels of tyrosinase inhibition. The hydrazone derivatives also showed potent tyrosinase inhibitory activity with comparable Ki values except one with fluoride at its terminal position. Kinetic studies showed competitive inhibition of tyrosinase by all compounds that increased the substrate Km without changing the Vmax value. Moreover, experimental evidence suggests that the target compounds specifically bind to the binuclear copper center of the tyrosinase active site in an apparent mono-dentate fashion. Carbazoles and hydrazones are new and emerging classes of compounds as tyrosinase inhibitors that may provide new structural avenues to discovery of drugs targeting the treatment of hyperpigmentation and related dermatological disorders.
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Ghani U, Albarrag A, Yurttaş L, Demirci F, Kaplancikli ZA. Carbazoles and Hydrazone‐Bridged Thiazole‐Pyrrole Derivatives as New Inhibitors of α‐Glucosidase. ChemistrySelect 2018. [DOI: 10.1002/slct.201801771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Usman Ghani
- Clinical Biochemistry UnitDepartment of PathologyCollege of MedicineKing Saud University Riyadh 11461 Saudi Arabia
| | - Ahmed Albarrag
- Medical Microbiology UnitDepartment of PathologyCollege of MedicineKing Saud University Riyadh 11461 Saudi Arabia
| | - Leyla Yurttaş
- Department of Pharmaceutical ChemistryFaculty of PharmacyAnadolu University 26470 Eskişehir Turkey
| | - Fatih Demirci
- Department of PharmacognosyFaculty of PharmacyAnadolu University 26470 Eskişehir Turkey
| | - Zafer Asim Kaplancikli
- Department of Pharmaceutical ChemistryFaculty of PharmacyAnadolu University 26470 Eskişehir Turkey
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Mohareb RM, Abdallah AEM, Ahmed EA. Synthesis and cytotoxicity evaluation of thiazole derivatives obtained from 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene- 3-carbonitrile. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2017; 67:495-510. [PMID: 29337677 DOI: 10.1515/acph-2017-0040] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/08/2017] [Indexed: 12/14/2022]
Abstract
Reactivity of 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3- carbonitrile towards thioglycolic acid resulted in thiazole derivative 1. The latter reacted with different chemical reagents to give thiazole, pyrano[2,3-d]thiazole and thiazolo[ 4,5-d]thiazole derivatives. Cytotoxicity effects of the newly synthesized products against six cancer cell lines, namely, human gastric cancer (NUGC), human colon cancer (DLD- 1), human liver cancer (HA22T and HEPG-2), human breast cancer (MCF) and nasopharyngeal carcinoma (HONE-1) as well as against a normal fibroblast cell (WI-38) were evaluated. The study showed that the 4,5,6,7 tetrahydrobenzo[ b] thiophene derivatives 6a, 7, 8a,b, 9b and 10b,c w ere t he most active compounds. Their potencies were attributed to the presence of the electron withdrawing groups.
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Affiliation(s)
- Rafat M. Mohareb
- Department of Chemistry Faculty of Science Cairo University, Giza , A. R. Egypt
| | - Amira E. M. Abdallah
- Department of Chemistry Faculty of Science, Helwan University Ain Helwan, Cairo A. R. Egypt
| | - Ebtsam A. Ahmed
- Department of Chemistry Faculty of Science, Helwan University Ain Helwan, Cairo A. R. Egypt
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31
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Enriching biologically relevant chemical space around 2-aminothiazole template for anticancer drug development. Med Chem Res 2017. [DOI: 10.1007/s00044-017-2039-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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32
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Chaitra TK, Mohana KN, Gurudatt DM, Tandon HC. Inhibition activity of new thiazole hydrazones towards mild steel corrosion in acid media by thermodynamic, electrochemical and quantum chemical methods. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.08.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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33
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Synthesis, biological evaluation and molecular docking studies of thiazole-based pyrrolidinones and isoindolinediones as anticonvulsant agents. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1371-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Synthesis of a sugar-based thiosemicarbazone series and structure-activity relationship versus the parasite cysteine proteases rhodesain, cruzain, and Schistosoma mansoni cathepsin B1. Antimicrob Agents Chemother 2015; 59:2666-77. [PMID: 25712353 DOI: 10.1128/aac.04601-14] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/02/2015] [Indexed: 01/27/2023] Open
Abstract
The pressing need for better drugs against Chagas disease, African sleeping sickness, and schistosomiasis motivates the search for inhibitors of cruzain, rhodesain, and Schistosoma mansoni CB1 (SmCB1), the major cysteine proteases from Trypanosoma cruzi, Trypanosoma brucei, and S. mansoni, respectively. Thiosemicarbazones and heterocyclic analogues have been shown to be both antitrypanocidal and inhibitory against parasite cysteine proteases. A series of compounds was synthesized and evaluated against cruzain, rhodesain, and SmCB1 through biochemical assays to determine their potency and structure-activity relationships (SAR). This approach led to the discovery of 6 rhodesain, 4 cruzain, and 5 SmCB1 inhibitors with 50% inhibitory concentrations (IC50s) of ≤ 10 μM. Among the compounds tested, the thiosemicarbazone derivative of peracetylated galactoside (compound 4i) was discovered to be a potent rhodesain inhibitor (IC50 = 1.2 ± 1.0 μM). The impact of a range of modifications was determined; removal of thiosemicarbazone or its replacement by semicarbazone resulted in virtually inactive compounds, and modifications in the sugar also diminished potency. Compounds were also evaluated in vitro against the parasites T. cruzi, T. brucei, and S. mansoni, revealing active compounds among this series.
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Cukurovali A, Yilmaz E. Synthesis, characterization, investigation of biological activity and theoretical studies of hydrazone compounds containing choloroacetyl group. J Mol Struct 2014. [DOI: 10.1016/j.molstruc.2014.06.070] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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