Journal
HETEROCYCLIC COMMUNICATIONS
Volume 23, Issue 6, Pages 455-460Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/hc-2017-0110
Keywords
insecticidal activity; oxazole; pyrazole; structure-activity relationship; thiazole
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Funding
- National Natural Science Foundation of China [21572050, 21672057]
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Fourteen 1H-pyrazole-5-carboxylic acid derivatives containing oxazole and thiazole rings were synthesized and characterized by H-1 NMR, mass spectrometry and elemental analysis. Most target compounds were obtained in overall yields in the range of 30-50%. The insecticidal activities of these new compounds against Aphis fabae were evaluated. The bioassays' results indicate that some of these compounds exhibit good activities, especially compound 7h which shows 85.7% mortality against A. fabae at a concentration of 12.5 mg/L. This activity is comparable to that of the commercial insecticide imidacloprid.
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