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Synthesis and Larvicidal Activity of Novel Thenoylhydrazide Derivatives.


ABSTRACT: A pair of chemical isomeric structures of novel N-tert-butylphenyl thenoylhydrazide compounds I and II were designed and synthesized. Their structures were characterized by MS, IR, (1)H NMR, elemental analysis and X-ray single crystal diffraction. The regioselectivity of the Meerwein arylation reaction and the electrophilic substitution reaction of N-tert-butyl hydrazine were studied by density functional theory (DFT) quantum chemical method. The larvicidal tests revealed that some compounds I had excellent larvicidal activity against Culex pipiens pallens. As the candidates of insect growth regulators (IGRs), the larval growth inhibition and regulation against Culex pipiens pallens were examined for some compounds, especially I1 and I7. Compounds I1 and I7 were further indicated as an ecdysteroid agonist by reporter gene assay on the Spodoptera frugiperda cell line (Sf9 cells). Finally, a molecular docking study of compound I7 was conducted, which was not only beneficial to understand the structure-activity relationship, but also useful for development of new IGRs for the control of mosquitos.

SUBMITTER: Song GP 

PROVIDER: S-EPMC4785375 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Synthesis and Larvicidal Activity of Novel Thenoylhydrazide Derivatives.

Song Gao-Peng GP   Hu De-Kun DK   Tian Hao H   Li Ya-Sheng YS   Cao Yun-Shen YS   Jin Hong-Wei HW   Cui Zi-Ning ZN  

Scientific reports 20160310


A pair of chemical isomeric structures of novel N-tert-butylphenyl thenoylhydrazide compounds I and II were designed and synthesized. Their structures were characterized by MS, IR, (1)H NMR, elemental analysis and X-ray single crystal diffraction. The regioselectivity of the Meerwein arylation reaction and the electrophilic substitution reaction of N-tert-butyl hydrazine were studied by density functional theory (DFT) quantum chemical method. The larvicidal tests revealed that some compounds I h  ...[more]

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