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Rubbab Pasha A, Khan M, Khan A, Hussain J, Al-Rashida M, Islam T, Batool Z, Kashtoh H, Abdellattif MH, Al-Harrasi A, Shafiq Z, Schenone S. Synthesis, in vitro, and in silico study of novel pyridine based 1,3-diphenylurea derivatives as tyrosinase inhibitors. Bioorg Chem 2024; 152:107724. [PMID: 39167873 DOI: 10.1016/j.bioorg.2024.107724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 08/23/2024]
Abstract
Tyrosinase inhibitors are studied in the cosmetics and pharmaceutical sectors as tyrosinase enzyme is involved in the biosynthesis and regulation of melanin, hence these inhibitors are beneficial for the management of melanogenesis and hyperpigmentation-related disorders. In the current work, a novel series of diphenyl urea derivatives containing a halo-pyridine moiety (5a-t) was synthesized via a multi-step synthesis. In vitro, tyrosinase inhibitory assay results showed that, except for two compounds, the derivatives were excellent inhibitors of human tyrosinase. The average IC50 value of the inhibitors (15.78 μM) is lower than that of kojic acid (17.3 μM) used as the reference compound, indicating that, on average, these molecules are more potent than the reference. Derivative 5a was identified as the most potent human tyrosinase inhibitor of the series, with an IC50 value of 3.5 ± 1.2 μM, approximately 5 times more potent than kojic acid. To get further insights into the nature of binding site interactions, molecular docking and molecular dynamics simulation studies were carried out. Moreover, the evaluation of in silico ADME properties showed a highly favorable profile for the synthesized compounds. These findings suggested that the further development of this class of compounds could be useful to get potent drug-like compounds that can target hyperpigmentation-related disorders.
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Affiliation(s)
- Anam Rubbab Pasha
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan; Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Oman
| | - Majid Khan
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Oman; Department of Biochemistry, Hazara University, Mansehra, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Oman
| | - Javid Hussain
- Department of Biological Sciences and Chemistry, University of Nizwa, Oman
| | - Mariya Al-Rashida
- Department of Chemistry, Forman Christian College (A Chartered University), Lahore, Pakistan
| | - Talha Islam
- Department of Chemistry, Forman Christian College (A Chartered University), Lahore, Pakistan
| | - Zahra Batool
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Hamdy Kashtoh
- Department of Biotechnology, Yeungnam University, Gyeongsan 38541, Gyeongbuk, Republic of Korea.
| | - Magda H Abdellattif
- Chemistry Department, College of Sciences, University College of Taraba, Taif University, Taif 21944, Saudi Arabia
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Oman.
| | - Zahid Shafiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Silvia Schenone
- Department of Pharmacy, University of Genoa, Viale Benedetto XV, 3, Genoa 16132, Italy.
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2
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Albaaj LTT, Hassan QMA, Dhumad AM, Sultan HA, Emshary CA. Synthesis of a New Schiff Base: Nonlinear Optical Properties Investigations. J Fluoresc 2024:10.1007/s10895-024-03784-9. [PMID: 38874824 DOI: 10.1007/s10895-024-03784-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
A Schiff base is prepared by the reaction of 7-hydroxy-1-naphthaldehyde with 4-aminoben-zenesulfonamide. The prepared Schiff base L4 compound was characterized by 1H NMR, Mass and FTIR spectroscopies. The optimization of the prepared L4 compound is carried out via DFT-B3LYP and 6-311G (d,p). The nonlinear optical (NLO) properties of the prepared L4 compound are investigated theoretically by the calculation of some quantum chemical descriptors (QCDs). TD-DFT via B3LYP and 6-311G calculations are used to study L4 compound UV-vis. spectrum at the same theoretical method and level. The L4 compound NLO properties are examined via irradiation with a CW laser beam, where the nonlinear index of refraction (NLIR) is calculated via diffraction patterns (DPs) and the Z-scan and as high as 4.579 × 10-11 m2/W of NLRI is obtained. Static (S) and dynamic (D) all optical switching (AOS) are examined using two CW and pulsed laser beams of wavelengths (473 and 532) nm.
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Affiliation(s)
- Luma Taher Tuma Albaaj
- Department of Chemistry, College of Education for Pure Sciences, University of Basrah, Basrah, 61001, Iraq
| | - Qusay M A Hassan
- Department of Physics, College of Education for Pure Sciences, University of Basrah, Basrah, 61001, Iraq.
| | - Adil Muala Dhumad
- Department of Chemistry, College of Education for Pure Sciences, University of Basrah, Basrah, 61001, Iraq
| | - H A Sultan
- Department of Physics, College of Education for Pure Sciences, University of Basrah, Basrah, 61001, Iraq
| | - C A Emshary
- Department of Physics, College of Education for Pure Sciences, University of Basrah, Basrah, 61001, Iraq
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3
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Jorge J, Del Pino Santos KF, Timóteo F, Vasconcelos RRP, Ayala Cáceres OI, Granja IJA, de Souza DM, Frizon TEA, Di Vaccari Botteselle G, Braga AL, Saba S, Rashid HU, Rafique J. Recent Advances on the Antimicrobial Activities of Schiff Bases and their Metal Complexes: An Updated Overview. Curr Med Chem 2024; 31:2330-2344. [PMID: 36823995 DOI: 10.2174/0929867330666230224092830] [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: 08/03/2022] [Revised: 12/12/2022] [Accepted: 12/29/2022] [Indexed: 02/25/2023]
Abstract
Schiff bases represent a valuable class of organic compounds, synthesized via condensation of primary amines with ketones or aldehydes. They are renowned for possessing innumerable applications in agricultural chemistry, organic synthesis, chemical and biological sensing, coating, polymer and resin industries, catalysis, coordination chemistry, and drug designing. Schiff bases contain imine or azomethine (-C=N-) functional groups which are important pharmacophores for the design and synthesis of lead bioactive compounds. In medicinal chemistry, Schiff bases have attracted immense attention due to their diverse biological activities. This review aims to encompass the recent developments on the antimicrobial activities of Schiff bases. The article summarizes the antibacterial, antifungal, antiviral, antimalarial, and antileishmanial activities of Schiff bases reported since 2011.
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Affiliation(s)
- Juliana Jorge
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, 79074-460, MS, Brazil
| | | | - Fernanda Timóteo
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, 79074-460, MS, Brazil
| | | | | | | | - David Monteiro de Souza
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, 79074-460, MS, Brazil
| | - Tiago Elias Allievi Frizon
- Department of Energy and Sustainability, Universidade Federal de Santa Catarina - UFSC, Campus Araranguá, Araranguá, 88905-120, SC, Brazil
| | | | - Antonio Luiz Braga
- Departamento de Química, Universidade Federal de Santa Catarina, 88040-970, Florianópolis, SC, Brazil
| | - Sumbal Saba
- Instituto de Química, Universidade Federal de Goiás - UFG, Goiânia, 74690-900, GO, Brazil
| | - Haroon Ur Rashid
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, 79074-460, MS, Brazil
- Departamento de Química, Universidade Federal de Santa Catarina, 88040-970, Florianópolis, SC, Brazil
| | - Jamal Rafique
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, 79074-460, MS, Brazil
- Instituto de Química, Universidade Federal de Goiás - UFG, Goiânia, 74690-900, GO, Brazil
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4
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Bhanja A, Paikra SK, Sutar PP, Mishra M. Characterization and identification of inulin from Pachyrhizus erosus and evaluation of its antioxidant and in-vitro prebiotic efficacy. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:328-339. [PMID: 36618034 PMCID: PMC9813300 DOI: 10.1007/s13197-022-05619-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/02/2022] [Accepted: 10/07/2022] [Indexed: 11/21/2022]
Abstract
Inulin is the polysaccharide obtained from different plant sources i.e. Wheat, Chicory, Jerusalem artichoke and Dahlia. In this study, Jicama (Pachyrhizus erosus) is used to isolate inulin using the microwave heating. The 1H NMR study reveals the presence of fructose and glucose unit which is the backbone of inulin. Further FT-IR and Raman confirmed the functional groups present in inulin. The UV-Vis spectroscopy analysis depicts the purity of the isolated inulin. The shape and size of the extracted inulin was determined from scanning electron microscopy and dynamic light scattering appeared as flat-flakes and 135 nm respectively. X-ray diffractogram showed semi-crystalline nature suggesting the stability of the extracted inulin. The isolated inulin has phenolic and flavonoid content of 8.1804 ± 6.26 mg gallic acid equivalent/g and 14.387 ± 4.192 mg rutin equivalent/g of dried polysaccharide respectively. The inhibition percentage of DPPH and FRAP of isolated inulin were found to be 75.74 ± 4.5% and 0.11 ± 0.007 respectively. The isolated inulin promotes the growth of probiotics like Enterococcus faecium (MZ540315) and Lactiplantibacillus plantarum (MZ540317). All the analysis suggest the isolated inulin has good prebiotic potential as the commercially available one. The current study proposes that isolated inulin can be used as a prebiotic in the future. Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s13197-022-05619-6.
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Affiliation(s)
- Amrita Bhanja
- Neural Developmental Biology Lab, Department of Life Science, National Institute of Technology, Rourkela, Odisha 769008 India
| | - Sanjeev Kumar Paikra
- Neural Developmental Biology Lab, Department of Life Science, National Institute of Technology, Rourkela, Odisha 769008 India
| | - Parag Prakash Sutar
- Department of Food Process Engineering, National Institute of Technology, Rourkela, Odisha 769008 India
| | - Monalisa Mishra
- Neural Developmental Biology Lab, Department of Life Science, National Institute of Technology, Rourkela, Odisha 769008 India
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Munir S, Khurshid M, Ahmad M, Ashfaq UA, Zaki MEA. Exploring the Antimicrobial and Pharmacological Potential of NF22 as a Potent Inhibitor of E. coli DNA Gyrase: An In Vitro and In Silico Study. Pharmaceutics 2022; 14:pharmaceutics14122768. [PMID: 36559262 PMCID: PMC9784730 DOI: 10.3390/pharmaceutics14122768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/27/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022] Open
Abstract
Toward the search for novel antimicrobial agents to control pathogenic E. coli-associated infections, a series of novel norfloxacin derivatives were screened for antimicrobial activities. The norfloxacin derivative, 1-ethyl-6-fluoro-7-(4-(2-(2-(3-hydroxybenzylidene)hydrazinyl)-2-oxoethyl)piperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (NF22) demonstrated excellent antibacterial activities against E. coli ATCC 25922 (MIC = 0.0625 μg/mL) and MDR E. coli 1-3 (MIC = 1, 2 and 1 µg/mL). The time-kill kinetic studies have demonstrated that the NF22 was advantageous over norfloxacin and ciprofloxacin in killing the control and MDR E. coli strains. The checkerboard assay showed that NF22 in combination with tetracycline had a synergistic effect against the E. coli strains. The experimental findings are supported by molecular modeling studies on DNA gyrase, explaining the interactions involved for compound NF22, compared to norfloxacin and ciprofloxacin. Further, the compound was also evaluated for various pharmacokinetics (absorption, metabolism, distribution, toxicity and excretion) as well as drug-likeness properties. Our data have highlighted the potential of norfloxacin by restoring its efficacy against E. coli which could lead to the development of new antimicrobial agents.
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Affiliation(s)
- Samman Munir
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Mohsin Khurshid
- Department of Microbiology, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Usman Ali Ashfaq
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan
- Correspondence: (U.A.A.); (M.E.A.Z.)
| | - Magdi E. A. Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
- Correspondence: (U.A.A.); (M.E.A.Z.)
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6
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Sharma R, Srijana PJ, Singh M, Kamal, Narayana B, Sarojini BK, Likhitha U, Murugavel S, Raj JM, Kant R. Supramolecular co-crystal of 4-dimethyl aminopyridine with Picric acid (4DMAP: PA): Synthesis, single crystal investigation, HF/DFT inspection, Hirshfeld surface and antifungal activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133921] [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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7
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Borrego-Muñoz P, Becerra LD, Ospina F, Coy-Barrera E, Quiroga D. Synthesis ( Z) vs ( E) Selectivity, Antifungal Activity against Fusarium oxysporum, and Structure-Based Virtual Screening of Novel Schiff Bases Derived from l-Tryptophan. ACS OMEGA 2022; 7:24714-24726. [PMID: 35874194 PMCID: PMC9301946 DOI: 10.1021/acsomega.2c02614] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Schiff bases are widely used molecules due to their potential biological activity. In this manuscript, we presented the synthesis and NMR study of new enamine Schiff bases derived from l-tryptophan, showing that the Z-form of the enamine is the main tautomeric form for aliphatic precursors. The DFT-B3LYP methodology at the 6-311+G**(d,p) level suggested that the tautomeric imine forms are less stable than the corresponding enamine forms. Their isomerism depends on the formation of intramolecular hydrogen bonds and steric factors associated with the starting carbonyl precursors. The in vitro biological activity tests against Fusarium oxysporum revealed that acetylacetone derivatives are the most active agents (IC50 < 0.9 mM); however, the antifungal activity could be disfavored by bulky groups on ester and enamine moieties. Finally, the structure-based virtual screening through molecular docking and MM-GBSA rescoring revealed that Schiff bases 3e, 3g, and 3j behave putatively as binders for target proteins involved in the life processes of F. oxysporum. In this sense, molecular dynamics analysis showed that the ligand-protein complexes have good stability with root-mean-square deviation (RMSD) values within the allowed range. Therefore, the present study paves the way for designing new antifungal compounds based on l-tryptophan-derived Schiff bases.
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8
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Ayaz M, Gündoğdu Ö, Aytaç S, Erdem B, Çiftçi H, Erdogdu Y. Microwave-Assisted Synthesis, Characterizations, Antimicrobial Activities, and DFT Studies on Some Pyridine Derived Schiff Bases. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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9
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Effects of Coumarinyl Schiff Bases against Phytopathogenic Fungi, the Soil-Beneficial Bacteria and Entomopathogenic Nematodes: Deeper Insight into the Mechanism of Action. Molecules 2022; 27:molecules27072196. [PMID: 35408596 PMCID: PMC9000709 DOI: 10.3390/molecules27072196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/24/2022] [Accepted: 03/26/2022] [Indexed: 11/24/2022] Open
Abstract
Coumarin derivatives have been reported as strong antifungal agents against various phytopathogenic fungi. In this study, inhibitory effects of nine coumarinyl Schiff bases were evaluated against the plant pathogenic fungi (Fusarium oxysporum f. sp. lycopersici, Fusarium culmorum, Macrophomina phaseolina and Sclerotinia sclerotiourum). The compounds were demonstrated to be efficient antifungal agents against Macrophomina phaseolina. The results of molecular docking on the six enzymes related to the antifungal activity suggested that the tested compounds act against plant pathogenic fungi, inhibiting plant cell-wall-degrading enzymes such as endoglucanase I and pectinase. Neither compound exhibited inhibitory effects against two beneficial bacteria (Bacillus mycoides and Bradyrhizobium japonicum) and two entomopathogenic nematodes. However, compound 9 was lethal (46.25%) for nematode Heterorhabditis bacteriophora and showed an inhibitory effect against acetylcholinesterase (AChE) (31.45%), confirming the relationship between these two activities. Calculated toxicity and the pesticide-likeness study showed that compound 9 was the least lipophilic compound with the highest aquatic toxicity. A molecular docking study showed that compounds 9 and 8 bind directly to the active site of AChE. Coumarinyl Schiff bases are promising active components of plant protection products, safe for the environment, human health, and nontarget organisms.
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De S, Kumar S K A, Shah SK, Kazi S, Sarkar N, Banerjee S, Dey S. Pyridine: the scaffolds with significant clinical diversity. RSC Adv 2022; 12:15385-15406. [PMID: 35693235 PMCID: PMC9121228 DOI: 10.1039/d2ra01571d] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/27/2022] [Indexed: 12/20/2022] Open
Abstract
The nitrogen-bearing heterocycle pyridine in its several analogous forms occupies an important position as a precious source of clinically useful agents in the field of medicinal chemistry research. This privileged scaffold has been consistently incorporated in a diverse range of drug candidates approved by the FDA (Food and Drug Administration). This moiety has attracted increasing attention from several disease states owing to its ease of parallelization and testing potential pertaining to the chemical space. In the next few years, a larger share of novel pyridine-based drug candidates is expected. This review unifies the current advances in novel pyridine-based molecular frameworks and their unique clinical relevance as reported over the last two decades. It highlights an inclination to the use of pyridine-based molecules in drug crafting and the subsequent emergence of several potent and eligible candidates against a range of diversified diseases. The nitrogen-bearing heterocycle pyridine in its several analogous forms occupies an important position as a precious source of clinically useful agents in the field of medicinal chemistry research.![]()
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Affiliation(s)
- Sourav De
- Department of Pharmaceutical Technology, School of Medical Science, Adamas University, Kolkata-700126, West Bengal, India
| | - Ashok Kumar S K
- Department of Chemistry, School of Advanced Sciences, VIT, Vellore-632014, India
| | - Suraj Kumar Shah
- Department of Pharmaceutical Technology, School of Medical Science, Adamas University, Kolkata-700126, West Bengal, India
| | - Sabnaz Kazi
- Department of Pharmaceutical Technology, School of Medical Science, Adamas University, Kolkata-700126, West Bengal, India
| | - Nandan Sarkar
- Department of Pharmaceutical Technology, School of Medical Science, Adamas University, Kolkata-700126, West Bengal, India
| | - Subhasis Banerjee
- Department of Pharmaceutical Chemistry, Gupta College of Technological Sciences, Asansol-713301, West Bengal, India
| | - Sanjay Dey
- Department of Pharmaceutical Technology, School of Medical Science, Adamas University, Kolkata-700126, West Bengal, India
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Ling Y, Hao ZY, Liang D, Zhang CL, Liu YF, Wang Y. The Expanding Role of Pyridine and Dihydropyridine Scaffolds in Drug Design. Drug Des Devel Ther 2021; 15:4289-4338. [PMID: 34675489 PMCID: PMC8520849 DOI: 10.2147/dddt.s329547] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/21/2021] [Indexed: 12/13/2022] Open
Abstract
Pyridine-based ring systems are one of the most extensively used heterocycles in the field of drug design, primarily due to their profound effect on pharmacological activity, which has led to the discovery of numerous broad-spectrum therapeutic agents. In the US FDA database, there are 95 approved pharmaceuticals that stem from pyridine or dihydropyridine, including isoniazid and ethionamide (tuberculosis), delavirdine (HIV/AIDS), abiraterone acetate (prostate cancer), tacrine (Alzheimer's), ciclopirox (ringworm and athlete's foot), crizotinib (cancer), nifedipine (Raynaud's syndrome and premature birth), piroxicam (NSAID for arthritis), nilvadipine (hypertension), roflumilast (COPD), pyridostigmine (myasthenia gravis), and many more. Their remarkable therapeutic applications have encouraged researchers to prepare a larger number of biologically active compounds decorated with pyridine or dihydropyridine, expandeing the scope of finding a cure for other ailments. It is thus anticipated that myriad new pharmaceuticals containing the two heterocycles will be available in the forthcoming decade. This review examines the prospects of highly potent bioactive molecules to emphasize the advantages of using pyridine and dihydropyridine in drug design. We cover the most recent developments from 2010 to date, highlighting the ever-expanding role of both scaffolds in the field of medicinal chemistry and drug development.
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Affiliation(s)
- Yong Ling
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People’s Republic of China
| | - Zhi-You Hao
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, Henan, People’s Republic of China
| | - Dong Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, Guangxi, People’s Republic of China
| | - Chun-Lei Zhang
- State Key Laboratory of Natural Medicines and Jiangsu Provincial Key Laboratory for TCM Evaluation and Translational Development, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, People’s Republic of China
| | - Yan-Fei Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yan Wang
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
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12
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Liu W, Qin Y, Li P. Design of Chitosan Sterilization Agents by a Structure Combination Strategy and Their Potential Application in Crop Protection. Molecules 2021; 26:3250. [PMID: 34071327 PMCID: PMC8198111 DOI: 10.3390/molecules26113250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/23/2021] [Accepted: 05/27/2021] [Indexed: 01/02/2023] Open
Abstract
Chitosan is the only cationic polysaccharide in nature. It is a type of renewable resource and is abundant. It has good biocompatibility, biodegradability and biological activity. The amino and hydroxyl groups in its molecules can be modified, which enables chitosan to contain a variety of functional groups, giving it a variety of properties. In recent years, researchers have used different strategies to synthesize a variety of chitosan derivatives with novel structure and unique activity. Structure combination is one of the main strategies. Therefore, we will evaluate the synthesis and agricultural antimicrobial applications of the active chitosan derivatives structure combinations, which have not been well-summarized. In addition, the advantages, challenges and developmental prospects of agricultural antimicrobial chitosan derivatives will be discussed.
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Affiliation(s)
- Weixiang Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Yukun Qin
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
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13
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Dylong A, Dysz K, Bogdanowicz KA, Przybył W, Konieczny KA, Turowska-Tyrk I, Kaim A, Iwan A. Crystal Structure Determination of 4-[(Di-p-tolyl-amino)-benzylidene]-(5-pyridin-4-yl-[1,3,4]thiadiazol-2-yl)-imine along with Selected Properties of Imine in Neutral and Protonated Form with Camforosulphonic Acid: Theoretical and Experimental Studies. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1952. [PMID: 33924588 PMCID: PMC8070542 DOI: 10.3390/ma14081952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 11/17/2022]
Abstract
The crystal structure was determined for the first time for 4-[(di-p-tolyl-amino)benzylidene]-(5-pyridin-4-yl-[1,3,4]thiadiazol-2-yl)-imine (trans-PPL9) by X-ray diffraction. The imine crystallized in the monoclinic P21/n space group with a = 18.9567(7) Å, b = 6.18597(17) Å, c = 22.5897(7) Å, and β = 114.009(4)°. Intermolecular interactions in the PPL9 crystal were only weak C-H⋯N hydrogen bonds investigated using the Hirshfeld surface. The electronic and geometric structure of the imine were investigated by the density functional theory and the time-dependent density-functional theory. The properties of the imine in neutral and protonated form with camforosulphonic acid (CSA) were investigated using cyclic voltammetry, UV-vis and 1H NMR spectroscopy. Theoretical and experimental studies showed that for the 1:1 molar ratio the protonation occured on nitrogen in pyridine in the PPL9 structure, as an effect of Brönsted acid-base interactions. Thermographic camera was used to defined defects in constructed simple devices with ITO/PPL9 (or PPL9:CSA)/Ag/ITO architecture. In conclusion, a thermally stable imine was synthesized in crystalline form and by CSA doping, a modification of absorption spectra together with reduction of overheating process was observed, suggesting its potential application in optoelectronics.
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Affiliation(s)
- Agnieszka Dylong
- Military Institute of Engineer Technology, 136 Obornicka Str., 50-961 Wroclaw, Poland; (A.D.); (K.D.); (K.A.B.); (W.P.)
| | - Karolina Dysz
- Military Institute of Engineer Technology, 136 Obornicka Str., 50-961 Wroclaw, Poland; (A.D.); (K.D.); (K.A.B.); (W.P.)
| | - Krzysztof A. Bogdanowicz
- Military Institute of Engineer Technology, 136 Obornicka Str., 50-961 Wroclaw, Poland; (A.D.); (K.D.); (K.A.B.); (W.P.)
| | - Wojciech Przybył
- Military Institute of Engineer Technology, 136 Obornicka Str., 50-961 Wroclaw, Poland; (A.D.); (K.D.); (K.A.B.); (W.P.)
| | - Krzysztof A. Konieczny
- Faculty of Chemistry, Wrocław University of Science and Technology, 27 Wybrzeże Wyspiańskiego, 50-370 Wroclaw, Poland; (K.A.K.); (I.T.-T.)
| | - Ilona Turowska-Tyrk
- Faculty of Chemistry, Wrocław University of Science and Technology, 27 Wybrzeże Wyspiańskiego, 50-370 Wroclaw, Poland; (K.A.K.); (I.T.-T.)
| | - Andrzej Kaim
- Faculty of Chemistry, University of Warsaw, 1 Pasteura Str., 02-093 Warsaw, Poland;
| | - Agnieszka Iwan
- Military Institute of Engineer Technology, 136 Obornicka Str., 50-961 Wroclaw, Poland; (A.D.); (K.D.); (K.A.B.); (W.P.)
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14
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Kaddouri Y, Abrigach F, Ouahhoud S, Benabbes R, El Kodadi M, Alsalme A, Al-Zaqri N, Warad I, Touzani R. Mono-Alkylated Ligands Based on Pyrazole and Triazole Derivatives Tested Against Fusarium oxysporum f. sp. albedinis: Synthesis, Characterization, DFT, and Phytase Binding Site Identification Using Blind Docking/Virtual Screening for Potent Fophy Inhibitors. Front Chem 2020; 8:559262. [PMID: 33363103 PMCID: PMC7759635 DOI: 10.3389/fchem.2020.559262] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 10/16/2020] [Indexed: 11/13/2022] Open
Abstract
Twelve recent compounds, incorporating several heterocyclic moieties such as pyrazole, thiazole, triazole, and benzotriazole, made in excellent yield up to 37–99.6%. They were tested against Fusarium oxysporum f. sp. albedinis fungi (Bayoud disease), where the best results are for compounds 2, 4, and 5 with IC50 = 18.8–54.4 μg/mL. Density functional theory (DFT) study presented their molecular reactivity, while the docking simulations to describe the synergies between the trained compounds of dataset containing all the tested compounds (57 molecules) and F. oxysporum phytase domain (Fophy) enzyme as biological target. By comparing the results of the docking studies for the Fophy protein, it is found that compound 5 has the best affinity followed by compounds 2 and 4, so there is good agreement with the experimental results where their IC50 values are in the following order: 74.28 (5) < 150 (2) < 214.10 (4), using Blind docking/virtual screening of the homology modeled protein and two different tools as Autodock Vina and Dockthor web tool that gave us predicted sites for further antifungal drug design.
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Affiliation(s)
- Yassine Kaddouri
- Laboratory of Applied Chemistry and Environment (LCAE), Faculty of Sciences, University Mohammed Premier, Oujda, Morocco
| | - Farid Abrigach
- Laboratory of Applied Chemistry and Environment (LCAE), Faculty of Sciences, University Mohammed Premier, Oujda, Morocco
| | - Sabir Ouahhoud
- Laboratory of Biochemistry (LB), Department of Biology, Faculty of Sciences, University Mohamed Premier, Oujda, Morocco
| | - Redouane Benabbes
- Laboratory of Biochemistry (LB), Department of Biology, Faculty of Sciences, University Mohamed Premier, Oujda, Morocco
| | - Mohamed El Kodadi
- Laboratory of Applied Chemistry and Environment (LCAE), Faculty of Sciences, University Mohammed Premier, Oujda, Morocco.,Centre Régional des Métiers de l'Education et de Formation Oujda, Oriental, Morocco
| | - Ali Alsalme
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Nabil Al-Zaqri
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia.,Department of Chemistry, College of Science, Ibb University, Ibb, Yemen
| | - Ismail Warad
- Department of Chemistry, Science College, An-Najah National University, Nablus, Palestine
| | - Rachid Touzani
- Laboratory of Applied Chemistry and Environment (LCAE), Faculty of Sciences, University Mohammed Premier, Oujda, Morocco
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15
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Beyzaei H, Hosseini Moghadam H, Bagherzade G, Aryan R, Moghaddam-Manesh M. Synthesis and In Vitro Antibacterial Evaluation of Schiff Bases Derived FROM 2-Chloro-3-Quinolinecarboxaldehyde. AVICENNA JOURNAL OF MEDICAL BIOCHEMISTRY 2019. [DOI: 10.34172/ajmb.2019.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background: Design, identification, and synthesis of new antimicrobial agents along with preventive proceedings are essential to confront antibiotic-resistant pathogenic bacteria. Heterocyclic Schiff bases are biologically important compounds whose antimicrobial potentials have been proven to bacterial and fungal pathogens. Objectives: In this study, some quinoline Schiff bases were synthesized from condensation of 2-chloro3-quinolinecarboxaldehyde and aniline derivatives. Their inhibitory activities were evaluated against 6 gram-positive and 2 gram-negative bacterial pathogens. Methods: Disc diffusion, broth microdilution, and time-kill tests were applied according to the CLSI guidelines to determine IZD, MIC, and MBC values. Results: 2-Chloro-3-quinolinecarboxaldehyde Schiff bases could inhibit the growth of bacteria with IZDs of 7.5-19.8 mm, MICs of 256-2048 μg mL-1, and MBCs of 512 to ≥2048 μg mL-1. Conclusion: Moderate antibacterial effects were observed with heterocyclic Schiff bases. Complexation and structural changes can improve their antimicrobial properties.
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Affiliation(s)
- Hamid Beyzaei
- Department of Chemistry, Faculty of Science, University of Zabol, Zabol, Iran
| | | | - Ghodsieh Bagherzade
- Department of Chemistry, Faculty of Science, University of Birjand, Birjand, Iran
| | - Reza Aryan
- Department of Chemistry, Faculty of Science, University of Zabol, Zabol, Iran
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