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Design, synthesis and insecticidal activities of dihydropyridine-fused neonicotinoids compounds with trifluoromethyl group

Design, synthesis and insecticidal activities of dihydropyridine-fused neonicotinoids compounds... A series of novel neonicotinoids containing a dihydro-pyridine ring and a trifluoromethyl group were designed and synthesized by multicomponent reactions of 6-Cl-PMNI, triethoxymethane and 4,4,4-trifluoro-3-oxobutaneanilides (9) under solvent-free and catalyst-free conditions. The trifluoromethyl group plays an important role as an electron-withdrawing group in enhancing the reaction activity of compound 9. The target compounds were characterized by 1H NMR, IR and elemental analysis. Bioassays indicated that most of the synthesized compounds exhibited moderate insecticidal activities against Aphis craccivora. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Design, synthesis and insecticidal activities of dihydropyridine-fused neonicotinoids compounds with trifluoromethyl group

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References (16)

Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
DOI
10.1007/s11164-014-1835-y
Publisher site
See Article on Publisher Site

Abstract

A series of novel neonicotinoids containing a dihydro-pyridine ring and a trifluoromethyl group were designed and synthesized by multicomponent reactions of 6-Cl-PMNI, triethoxymethane and 4,4,4-trifluoro-3-oxobutaneanilides (9) under solvent-free and catalyst-free conditions. The trifluoromethyl group plays an important role as an electron-withdrawing group in enhancing the reaction activity of compound 9. The target compounds were characterized by 1H NMR, IR and elemental analysis. Bioassays indicated that most of the synthesized compounds exhibited moderate insecticidal activities against Aphis craccivora.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Feb 17, 2015

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