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- Title
Synthesis and Insecticidal Activity of Nitenpyram Analogs with Tetrahydropyrimidine Fixed ( Z)-Configuration.
- Authors
Sun, Chuan ‐ wen; Fang, Ting; Hao, Zhi ‐ bing; Pang, Chun ‐ cheng; Xu, Xiao; Xin, Hua ‐ jia
- Abstract
Two series of novel ( Z)-nitenpyram analogs 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 3a, 3b, 3c, 3d were synthesized by introducing various benzyl ester or tetrahydrofurfur-2-yl ester into nitenpyram and forming a tetrahydropyrimidine ring to fix ( Z)-configuration. The structures of the target compounds were characterized by 1HNMR, MS, IR, and elemental analysis. Preliminary bioassays against Nilaparvata lugens indicated that all the nitenpyram analogs exhibited good insecticidal activity at 100 mg/L, whereas the compounds 3b and 3d afforded the best in vitro inhibitory activities that had ≥ 90% mortality at 20 mg/L.
- Subjects
PYRIMIDINE derivatives; NILAPARVATA lugens; CHEMICAL synthesis; IN vitro toxicity testing; BIOLOGICAL assay; MORTALITY
- Publication
Journal of Heterocyclic Chemistry, 2013, Vol 50, Issue 5, p1025
- ISSN
0022-152X
- Publication type
Article
- DOI
10.1002/jhet.1558