Novel pyrazole and imidazolone compounds: synthesis, X-ray crystal structure with theoretical investigation of new pyrazole and imidazolone compounds anticipated insecticide's activities against and

In this study, we synthesized (2-propoxyphenyl)(3-( p -tolyl)oxiran-2-yl)methanone through oxidizing the double bond of the respective chalcone via the Weitz-Scheffer epoxidation reaction. Additionally, the chalcone with an oxirane ring served as a fundamental building block for the synthesis of var...

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Veröffentlicht in:RSC advances 2024-04, Vol.14 (15), p.1464-148
Hauptverfasser: Shalaby, Mona A, BinSabt, Mohammad H, Rizk, Sameh A, Fahim, Asmaa M
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container_end_page 148
container_issue 15
container_start_page 1464
container_title RSC advances
container_volume 14
creator Shalaby, Mona A
BinSabt, Mohammad H
Rizk, Sameh A
Fahim, Asmaa M
description In this study, we synthesized (2-propoxyphenyl)(3-( p -tolyl)oxiran-2-yl)methanone through oxidizing the double bond of the respective chalcone via the Weitz-Scheffer epoxidation reaction. Additionally, the chalcone with an oxirane ring served as a fundamental building block for the synthesis of various pyrazole and imidazole derivatives, employing diverse nitrogen nucleophiles. All synthesized compounds were confirmed via analytical and spectroscopic analysis, such as FT-IR, 1 H NMR, 13 C NMR, and mass spectroscopy. Furthermore, all these nitrogen heterocycles were optimized via the DFT/B3LYP/6-31G(d,p) basis set and their physical descriptors were identified. Compound 11 was further confirmed using single-crystal X-ray diffraction with Hirshfeld analysis, and the results were correlated with the optimized structure by comparing their bond length and bond angle, which provided excellent correlation. Additionally, the insecticidal activities of the newly synthesized compounds were tested against P. interpunctella and Nilaparvata lugens . The heterocyclic compounds exhibited remarkable activity compared to the standard reference thiamethoxam. These findings were further confirmed through docking simulation with different proteins, namely PDBID 3aqy and 3wyw. The compounds interacted effectively within the protein pockets, displaying a higher binding energy with amino acids. In this study, (2-propoxyphenyl)(3-(p-tolyl)oxiran-2-yl)methanone was synthesised by oxidizing the double bond of the respective chalcone via the Weitz-Scheffer epoxidation reaction. The insecticidal activities of the newly synthesized compounds were tested with computional investigation.
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These findings were further confirmed through docking simulation with different proteins, namely PDBID 3aqy and 3wyw. The compounds interacted effectively within the protein pockets, displaying a higher binding energy with amino acids. In this study, (2-propoxyphenyl)(3-(p-tolyl)oxiran-2-yl)methanone was synthesised by oxidizing the double bond of the respective chalcone via the Weitz-Scheffer epoxidation reaction. 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title Novel pyrazole and imidazolone compounds: synthesis, X-ray crystal structure with theoretical investigation of new pyrazole and imidazolone compounds anticipated insecticide's activities against and
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