2021
DOI: 10.1002/ps.6267
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Spirodiclofen ether derivatives: semisynthesis, structural elucidation, and pesticidal activities against Tetranychus cinnabarinusBoisduval, Aphis citricolaVan der Goot and Mythimna separataWalker

Abstract: BACKGROUND Spirodiclofen is a spirocyclic tetronic acid‐type acaricidal agent. Nowadays, serious pests resistance to spirodiclofen and cross‐resistance to other acaricides has appeared. To overcome pests resistance and discover new potential agrochemicals, a series of ether derivatives were prepared based on spirodiclofen as a lead compound. Their pesticidal activities were investigated against three typically agricultural pests, Mythimna separata Walker, Aphis citricola Van der Goot and Tetranychus cinnabarin… Show more

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Cited by 10 publications
(6 citation statements)
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“…The acaricidal activities of compounds 1–12 against T. cinnabarinus were tested by using the slide-dipping method [ 38 , 39 ]. The commercial acaricidal pesticide spirodiclofen was used as a positive control.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The acaricidal activities of compounds 1–12 against T. cinnabarinus were tested by using the slide-dipping method [ 38 , 39 ]. The commercial acaricidal pesticide spirodiclofen was used as a positive control.…”
Section: Methodsmentioning
confidence: 99%
“…Tween-80 (1 g/L) only. The experimental conditions and evaluation method were as mentioned above [ 38 , 39 ].…”
Section: Methodsmentioning
confidence: 99%
“…Ke et al altered the structure of spirodiclofen derivatives, testing their biological activity against Aphis fabae, Plutella xylostella, Pyrrhocoridae, Tetranychus cinnabarinus , and other pests. Compounds 1–4 showed good insecticidal activity against Plutella xylostella , compounds 5–8 had excellent acaricidal activity against Tetranychus cinnabarinus , while the insecticidal activity of compounds 9 and 10 against Aphis fabae was more than twice that of spirodiclofen (Figure ). The relationship between the R group substituents and these insecticidal activities is illustrated in Figure .…”
Section: Insecticidal Activitymentioning
confidence: 99%
“…Compounds 1−4 showed good insecticidal activity against Plutella xylostella, compounds 5−8 had excellent acaricidal activity against Tetranychus cinnabarinus, 39−41 while the insecticidal activity of compounds 9 and 10 against Aphis fabae was more than twice that of spirodiclofen (Figure 4). 39 The relationship between the R group substituents and these insecticidal activities is illustrated in Figure 3. Generally, electron-withdrawing groups enhance insecticidal activity.…”
Section: ■ Insecticidal Activitymentioning
confidence: 99%
“…The main objective of this study was to identify the strain QHLA isolated from the fresh samples of Chinese caterpillar fungus complex and to clarify the biological characteristics of the strain QHLA, especially for its optimal growth temperature and fermentation conditions. In addition, the potential pesticide application of QHLA was evaluated by using Henosepilachna vigintioctopunctata (Coleoptera Coccinellidae), Spodoptera exigua (Lepidoptera Noctuidae), Plutella xylostella (Lepidoptera Plutellidae), Spodoptera frugiperda (Lepidoptera Noctuidae), Sitobion avenae (Hemiptera Aphididae), Hayloperus perikonus (Hemiptera Aphididae), and Aphis citricola (Hemiptera Aphididae) [18][19][20][21][22]. This research will provide a better understanding of the optimal growth temperature, carbon and nitrogen sources, the composition of the fermentation broth, and the effective pesticidal range of the QHLA and provide a theoretical basis for its production and application in the field.…”
Section: Introductionmentioning
confidence: 99%