Application of sulfonamide compounds in the control of agricultural pests
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A technology for sulfonamides and compounds, which is applied in the field of sulfonamides, can solve problems such as restricting the widespread use of neonicotinoids, and achieve the effects of simple structure and large modification space
Active Publication Date: 2018-08-17
CHINA AGRI UNIV
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It can be seen that the impact of neonicotinoid insecticides on bee populations has been widely recognized, which greatly limits the widespread use of neonicotinoids in agriculture
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[0012] The present invention will be further described below through specific examples. Those skilled in the art should understand that the following examples are only for better understanding of the present invention, and are not intended to limit the present invention in any way.
[0013] Two kinds of sulfonamide compounds according to formula I and formula II were purchased from Beijing Yinuokai Technology Co., Ltd., the code names are respectively recorded as VS03 and VS04, and their structural formulas are as follows:
[0014]
[0015] Using them as pesticide active ingredients respectively, they were prepared into liquid medicines with different concentrations, and the following test experiments were carried out.
[0016] Aphidicidal activity test experiment
[0017] Experimental test insects: soybean aphids (Aphis glycines) were collected from normal populations reared indoors, and the insecticide activity screening test was carried out with wingless adults with the...
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Abstract
The invention discloses application of sulfanilamide compounds in prevention and control of agricultural insects. The sulfanilamide compounds have a structural formula as shown in the formula I or formula II in the specification, wherein R1 represents hydrogen, C1-C4 alkyl, C1-C4 halogenated alkyl, C1-C4 alkoxy, C1-C4 alkyl sulphanyl, halogen, nitryl, cyan, azido, hydroxy or trifluoromethyl; R2 represents isopentene group, C1-C10 alkyl, benzene ring, pyridine, thiazole, thiophene, pyrrole, furan, pyrazole, imidazole, pyran, pyrazine, pyrimidine, pyridazine, benzofuran, benzothiophene, indole, quinoline, trifluoromethyl or halogen. The pesticides prepared by taking the compounds shown in the formula I and formula II as active ingredients have good aphid killing activity, and shows low toxicity to non-targeted bees.
Description
technical field [0001] The invention relates to the application of sulfonamide compounds in preventing and controlling agricultural pests. Background technique [0002] Neonicotinoid insecticides, represented by imidacloprid, are a new generation of insecticides with milestone significance after organophosphorus, organic ammonia, carbamates and pyrethroids. Because of its high efficiency, wide insecticidal spectrum, especially for the control of piercing-sucking mouthparts pests, systemic root absorption, contact and stomach toxicity, low residue, environmental friendliness, and safety to mammals and aquatic organisms, it is widely used Application, occupying the main share of the global pesticide market, the global annual sales continue to grow, reaching or exceeding hundreds of millions of dollars (Kagabu S.J.Agric.Food Chem.2011, 59, 2887-2896). [0003] Due to improper use and irrational application of pesticides, the resistance and cross-resistance to neonicotinoid ins...
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