Results 21 to 30 of about 465,344 (363)

Design, synthesis, and biological activity of novel 1,2,4-oxadiazole derivatives

BMC Chemistry, 2020
Background Plant diseases seriously threaten food security, it is urgent to discover efficient and low-risk chemical pesticides. 1,2,4-Oxadiazole derivatives exhibit broad spectrum of agricultural biological activities.
Lingzhi Zhu, Huanan Zeng, Dan Liu, Yun Fu, Qiong Wu, Baoan Song, Xiuhai Gan   +6 more
doaj   +1 more source

Design, synthesis, antiviral bioactivities and interaction mechanisms of penta-1,4-diene-3-one oxime ether derivatives containing a quinazolin-4(3H)-one scaffold

BMC Chemistry, 2019
Background penta-1,4-diene-3-one oxime ether and quinazolin-4(3H)-one derivatives possess favorable agricultural activities. Aiming to discover novel molecules with highly-efficient agricultural activities, a series of penta-1,4-diene-3-one oxime ether ...
Lijuan Chen, Xiaobin Wang, Xu Tang, Rongjiao Xia, Tao Guo, Cheng Zhang, Xiangyang Li, Wei Xue   +7 more
doaj   +1 more source

Synthesis and biological activity of myricetin derivatives containing 1,3,4-thiadiazole scaffold

Chemistry Central Journal, 2017
Background Myricetin and 1,3,4-thiadiazole derivatives were reported to exhibit favorable antiviral and antibacterial activities. Aiming to discover novel myricetin analogues with potent activities, a series of novel myricetin derivatives containing 1,3 ...
Xinmin Zhong, Xiaobin Wang, Lijuan Chen, Xianghui Ruan, Qin Li, Juping Zhang, Zhuo Chen, Wei Xue   +7 more
doaj   +1 more source

Toxic effect of cyanobacterial (blue–green algae) extracts as natural pesticides for the control of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)

Egyptian Journal of Biological Pest Control, 2023
Background The Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) is a cosmopolitan polyphagous pest that feeds on nearly 80 species of plants The pest can cause upto 100% damage to crops if neglected.
C. H. Sharanappa, M. Bheemanna, A. Prabhuraj, R. Naik Harischandra, M. Naik Nagaraj, N. Rao Saroja, B. Kariyanna   +6 more
doaj   +1 more source

An Innovative Chiral UPLC-MS/MS Method for Enantioselective Determination and Dissipation in Soil of Fenpropidin Enantiomers

Molecules, 2022
As a chiral piperidine fungicide, fenpropidin has been widely used to control plant diseases. However, there are rare studies that have investigated fenpropidin at the enantiomer level.
Rui Li, Yanqing Zhang, Yanhong Li, Zihao Chen, Zhen Wang, Minghua Wang   +5 more
doaj   +1 more source

Rapid Residue Analysis of Phthalanilic Acid in Cereals and Oilseed Rape by High-Performance Liquid Chromatography Coupled to Tandem Mass Spectrometry

Journal of Chemistry, 2022
Phthalanilic acid is widely used in wheat and oilseed rape fields in China, but there is no analysis method to detect its residues in wheat and oilseed rape substrates.
Aijuan Zhang, Li Zhou, Miao Yu, Yizhi Feng, Yanli Bian, Jinju Pan, Bojun Zuo, Lin Liang   +7 more
doaj   +1 more source

Paraquat (Pesticides)

Food Safety, 2022
Food Safety Commission of Japan (FSCJ) conducted a risk assessment of a bipyridinium herbicide, paraquat (CAS No. 1910-42-5), based on results from various studies. Major adverse effects of paraquat in experimental animals were observed in body weight (suppressed weight gain), lungs (increased weight, alveolar epithelium hyperplasia, and pneumonia ...
openaire   +2 more sources

Chalcogen bond-guided conformational isomerization enables catalytic dynamic kinetic resolution of sulfoxides

Nature Communications, 2022
Conformational isomerization of organic molecules can be guided by noncovalent interactions. Here, the authors report the synthesis of chiral sulfoxides catalyzed by N-heterocyclic carbenes; intramolecular chalcogen bonding interactions are key for ...
Jianjian Liu, Mali Zhou, Rui Deng, Pengcheng Zheng, Yonggui Robin Chi   +4 more
doaj   +1 more source

Fluxametamide (Pesticides)

Food Safety, 2020
FSCJ conducted a risk assessment of fluxametamide (CAS No. 928783-29-3), an isoxazoline insecticide, based on results from various studies. The data used in the assessment include the fate in animals, fate in plants, residues in crops, subacute toxicity, subacute neurotoxicity, chronic toxicity, combined chronic toxicity/carcinogenicity ...
openaire   +3 more sources

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

Advanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida, Yanjie Wang, Thais A. Rodrigues, Paulo H. H. Nunes, Vagner R. de Mendonça, Paulo H. E. Falsetti, Leticia V. Savazi, Tao He, Alexandra V. Bardakova, Aida V. Rudakova, Jie Tian, Alexei V. Emeline, Osmando F. Lopes, Antonio Otavio T. Patrocínio, Jia Hong Pan, Caue Ribeiro, Detlef W. Bahnemann   +16 more
wiley   +1 more source