Dicationic ionic liquids as new feeding deterrents

Chemické Zvesti
Damian K KaczmarekTomasz Klejdysz

Abstract

In this study, new quaternary bis(ammonium) salts with alkyl-1,X-bis(dimethyldecylammonium) cation and saccharinate, acesulfamate, lactate and pyroglutamate anions were synthesized and characterized by 1H and 13C NMR spectroscopy. Thermal gravimetric and differential scanning calorimetry analyses confirmed that all salts were thermally stable and the majority of them exhibited melting points below 100 °C. The physicochemical properties (viscosity, density, refractive index values, and solubility) of the obtained salts were determined for three compounds with lactate anions. All the tested salts have suitable properties which, in practical application, will reduce the losses caused by the most important storage insects. Most of the synthesized ionic liquids had comparable or better deterrent activity than azadirachtin-an alkaloid known as the most active antifeedant.

References

May 31, 2007·Chemistry : a European Journal·Juliusz PernakRobin D Rogers
Aug 30, 2008·Chemistry : a European Journal·Jacek CybulskiJuliusz Pernak
Jan 12, 2011·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zhu Feng GengZhi Wei Deng
Jan 29, 2013·Pest Management Science·Bożena Łozowicka, Piotr Kaczyński
Aug 12, 2014·Ecotoxicology and Environmental Safety·Francisca A E SilvaSónia P M Ventura
Aug 27, 2014·Physical Chemistry Chemical Physics : PCCP·Reimi Yonekura, Mark W Grinstaff

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Methods Mentioned

BETA
differential scanning calorimetry
NMR
nuclear magnetic resonance

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