In this work, a novel series of pyridazinone derivatives (-) were synthesized and characterized by NMR (H and C), FT-IR spectroscopies, and ESI-MS methods. All synthesized compounds were screened for their antibacterial activities against (Methicillin-resistant), , , , and . Among the series, compounds and were found to be active against (MRSA), , and with the lowest MIC value range of 3.74-8.92 µM. Afterwards, DFT calculations of B3LYP/6-31++G(d,p) level were carried out to investigate geometry structures, frontier molecular orbital, molecular electrostatic potential maps, and gap energies of the synthesized compounds. In addition, the activities of these compounds against various bacterial proteins were compared with molecular-docking calculations. Finally, ADMET studies were performed to investigate the possibility of using of the target compounds as drugs.
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http://dx.doi.org/10.3390/molecules28020678 | DOI Listing |
Bioorg Chem
December 2024
Chemistry Department, Faculty of Science, Ain Shams University, Cairo 11566, Egypt. Electronic address:
A new series of benzo[h]quinoline-containing heterocycles was synthesized via reactions of benzo[h]quinolinyl-2(3H)-furanone with some nitrogen bidentate nucleophiles, leading to the formation of pyridazinone, pyrrolinone, benzimidazole, and benzoxazinone derivatives. The synthesized compounds were evaluated for their insecticidal activity against Culex pipiens L. larvae.
View Article and Find Full Text PDFMol Divers
December 2024
State Key Laboratory of Green Pesticides, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China.
Pyridazine and pyridazinone belong to the same group of six-membered heterocyclic compounds, and both structurally feature two adjacent nitrogen atoms. Pyridazine and pyridazinone derivatives are frequently used as core structures in the development of new green agrochemicals due to their high activity and environmental friendliness, attracting significant attention from researchers in recent years. Over the past 20 years, significant developments have occurred in the field of pyridazine and pyridazinone derivatives, which exhibit insecticidal, fungicidal, herbicidal, antiviral, and plant growth regulating activities.
View Article and Find Full Text PDFSci Rep
November 2024
Pharmaceutical organic chemistry department, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
People of all age categories and lifestyles suffer to different extents from hypertension. Accordingly, this necessitates the rise of new ways to defeat this enemy. Vasodilators exert a principal portion of highly effectual antihypertensive agents; our research is focused on the design, synthesis and biological evaluation of a new series of 6-(4-substitutedphenyl)-3-pyridazinones as potential hydralazine vasodilator analogues implementing both in vitro and in silico approaches.
View Article and Find Full Text PDFSci Rep
October 2024
Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
As a result of its high reactivity, furan-2(3H)-one derivative 2 can be selected as a versatile and suitable candidate for building of novel nitrogen heterocyclic compounds. Consequently, furan-2(3H)-one derivative 2 and some nitrogen nucleophiles were utilized as starting materials for the formation of new pyridazinone and pyrrolone derivatives bearing naphthalene moiety. The continuous buildup of insecticide resistance is the main obstacle facing pest control measures.
View Article and Find Full Text PDFRSC Med Chem
August 2024
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University Abbassia Cairo 11566 Egypt
Cancer patients undergoing chemotherapy are highly susceptible to infections owing to their compromised immune system, which also promotes cancer progression through inflammation. Thus, this study aimed to develop novel chemotherapeutic agents with both anticancer and antimicrobial properties. A series of diarylurea derivatives based on pyridazinone scaffolds were designed, synthesized, and characterized as surrogates for sorafenib.
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