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Abd El-Lateef HM, Khalaf MM, Gouda M, Kandeel M, Amer AA, Abdelhamid AA, Drar AM, Gad MA. Functionalized Pyridines: Synthesis and Toxicity Evaluation of Potential Insecticidal Agents against Aphis craccivora. ACS OMEGA 2023; 8:29685-29692. [PMID: 37599961 PMCID: PMC10433465 DOI: 10.1021/acsomega.3c03831] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/21/2023] [Indexed: 08/22/2023]
Abstract
Using ultrasound technology instead of traditional methods, some pyridine derivatives were prepared by a simple procedure via a four-component reaction of different aromatic aldehydes, acetyl aryl, sodium alkoxide, and malononitrile, and additionally, all prepared compounds were monitored for insecticidal activities toward nymphs and adults of cowpea aphid. Though a lot of insecticides are discovered as a novelty on the other hand, neonicotinoid compounds are reflected as the most affected insecticides against aphids and many other pests. Thus, some of the pyridine derivatives were chemically prepared as analogues to a large group of insecticides called neonicotinoids. Under laboratory conditions, the toxicity of these components was measured toward adults and nymphs of Aphis craccivora. With respect to the LC50 values, components 1f, 1d, and 1c have the utmost insecticidal bioactivity, with values of 0.080, 0.098, and 0.127 mg/L. This work covers the way to discover novel compounds for the prospective use as insecticidal representatives.
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Affiliation(s)
- Hany M. Abd El-Lateef
- Department
of Chemistry, College of Science, King Faisal
University, Al-Ahsa 31982, Saudi Arabia
- Department
of Chemistry, Faculty of Science, Sohag
University, Sohag 82524, Egypt
| | - Mai M. Khalaf
- Department
of Chemistry, College of Science, King Faisal
University, Al-Ahsa 31982, Saudi Arabia
- Department
of Chemistry, Faculty of Science, Sohag
University, Sohag 82524, Egypt
| | - Mohamed Gouda
- Department
of Chemistry, College of Science, King Faisal
University, Al-Ahsa 31982, Saudi Arabia
| | - Mahmoud Kandeel
- Department
of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department
of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
| | - Amer A. Amer
- Department
of Chemistry, Faculty of Science, Sohag
University, Sohag 82524, Egypt
| | - Antar A. Abdelhamid
- Department
of Chemistry, Faculty of Science, Sohag
University, Sohag 82524, Egypt
- Chemistry
Department, Faculty of Science, Albaha University, Albaha 1988, Saudi Arabia
| | - Ali M. Drar
- Research
Institute of Plant Protection, Agriculture
Research Center, Giza 12112, Egypt
| | - Mohamed A. Gad
- Research
Institute of Plant Protection, Agriculture
Research Center, Giza 12112, Egypt
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Abdelhamid A, Aref SA, Ahmed NA, Elsaghier AMM, Abd El Latif FM, Al-Ghamdi SN, Gad MA. Design, Synthesis, and Toxicological Activities of Novel Insect Growth Regulators as Insecticidal Agents against Spodoptera littoralis (Boisd.). ACS OMEGA 2023; 8:709-717. [PMID: 36643456 PMCID: PMC9835546 DOI: 10.1021/acsomega.2c05977] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
As a result of some major problems that come from using insecticides, the use of safe alternatives to these pesticides has become very necessary. Thus, a novel series of predicted toxicologically active urea, thiourea, thiosemicarbazide, oxadiazole, pyrazole, and triazine derivatives have been synthesized in a pure form to be lufenuron analogues as insect growth regulators which were screened and examined against Spodoptera littoralis (Boisd). The structure of synthesized compounds was established by means of spectroscopic and elemental analyses. Compounds b5, b2, b3, and a4 showed high insecticidal toxicity, and their LC50 values for the second larvae instar were found to be 26.63, 46.35, and 60.84 ppm, respectively, whereas the LC50 value for lufenuron as a reference insecticide was 17.01 ppm.
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Affiliation(s)
- Antar
A. Abdelhamid
- Department
of Chemistry, Faculty of Science, Sohag
University, Sohag 8252, Egypt
- Chemistry
Department, Faculty of Science, Albaha University, Albaha 1988, Saudi Arabia
| | - Safwat A. Aref
- Research
Institute of Plant Protection, Agricultural
Research Center, Giza 12112, Egypt
| | - Nabila A. Ahmed
- Research
Institute of Plant Protection, Agricultural
Research Center, Giza 12112, Egypt
| | | | - Fawy M. Abd El Latif
- Chemistry
Department, Faculty of Science, Albaha University, Albaha 1988, Saudi Arabia
- Chemistry
Department, Faculty of Science, Aswan University, Aswan 81528, Egypt
| | - Sameera N. Al-Ghamdi
- Chemistry
Department, Faculty of Science, Albaha University, Albaha 1988, Saudi Arabia
| | - Mohamed A. Gad
- Research
Institute of Plant Protection, Agricultural
Research Center, Giza 12112, Egypt
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Marzouk AA, Abdelhamid AA, Mohamed SK, Simpson J. Morpholinium hydrogen sulfate (MHS) ionic liquid as an efficient catalyst for the synthesis of bio-active multi-substituted imidazoles (MSI) under solvent-free conditions. ACTA ACUST UNITED AC 2016. [DOI: 10.1515/znb-2016-0121] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Morpholinium hydrogen sulfate as an ionic liquid was employed as a catalyst for the synthesis of a biologically active series of multi-substituted imidazoles by a four-component reaction involving the combination of benzil with different aromatic aldehydes, ammonium acetate, and 1-amino-2-propanol under solvent-free conditions. The key advantages of this method are shorter reaction times, very high yield, and ease of processing. Furthermore, the resulting products can be purified by a non-chromatographic method and the ionic liquid catalyst is reusable. All of these novel compounds have been fully characterized from spectral data. The X-ray crystal structures of two representative molecules are also detailed.
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Affiliation(s)
- Adel A. Marzouk
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al Azhar University, Egypt
| | - Antar A. Abdelhamid
- Department of Chemistry, Faculty of Science, Sohag University, 82524 Sohag, Egypt
| | - Shaaban K. Mohamed
- Chemistry and Environmental Division, Manchester Metropolitan University, Manchester, M1 5GD, England
- Chemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt
| | - Jim Simpson
- Department of Chemistry, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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