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Synthesis and Insecticidal Activity of Novel N ‐Pyridylpyrazole Carbonyl Thioureas
Author(s) -
Wang Baolei,
Ma Yi,
Xiong Lixia,
Li Zhengming
Publication year - 2012
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201100386
Subject(s) - mythimna separata , chemistry , bioassay , carbonyl group , stereochemistry , organic chemistry , larva , botany , biology , genetics
A series of novel N ‐pyridylpyrazole carbonyl thioureas were designed and synthesized. Their structures were characterized by melting points, 1 H NMR, IR and elemental analysis or HRMS. The bioassay tests indicated that some of these compounds exhibited moderate insecticidal activity against Mythimna separata Walker and Culex pipiens pallens . Among 17 compounds, 5n and 5p showed 100% larvicidal activity against Mythimna separata Walker at the test concentration of 100 mg/L.