Metsulfuron-methyl-based herbicidal ionic liquids

Journal of Agricultural and Food Chemistry
Juliusz PernakRobin D Rogers

Abstract

Ten sulfonylurea-based herbicidal ionic liquids (HILs) were prepared by combining the metsulfuron-methyl anion with various cation types including quaternary ammonium ([bis(2-hydroxyethyl)methyloleylammonium](+), [2-hydroxyethyltrimethylammonium](+)), pyridinium ([1-dodecylpyridinium](+)), piperidinium ([1-methyl-1-propylpiperidinium](+)), imidazolium ([1-allyl-3-methylimidazolium](+), [1-butyl-3-methylimidazolium](+)), pyrrolidinium ([1-butyl-1-methylpyrrolidinium](+)), morpholinium ([4-decyl-4-methylmorpholinium](+)), and phosphonium ([trihexyltetradecylphosphonium](+) and [tetrabutylphosphonium](+)). Their herbicidal efficacy was studied in both greenhouse tests and field trials. Preliminary results for the greenhouse tests showed at least twice the activity for all HILs when compared to the activity of commercial Galmet 20 SG, with HILs with phosphonium cations being the most effective. The results of two-year field studies showed significantly less enhancement of activity than observed in the greenhouse; nonetheless, it was found that the herbicidal efficacy was higher than that of the commercial analog, and efficacy varied depending on the plant species.

Citations

Jun 24, 2015·Biodegradation·Łukasz ŁawniczakAnna Syguda
Dec 21, 2016·Journal of Agricultural and Food Chemistry·Juliusz PernakTadeusz Praczyk
Apr 6, 2017·Chemistry : a European Journal·Wenbao MaZhenshan Hou
Jul 5, 2016·Chemistry : a European Journal·Juliusz PernakTadeusz Praczyk
Jan 18, 2020·ChemPlusChem·Daria CzuryszkiewiczJuliusz Pernak
Aug 8, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Witold StachowiakMichał Niemczak
Aug 14, 2020·Journal of Agricultural and Food Chemistry·Wiktoria WilmsŁukasz Chrzanowski
Sep 20, 2018·Journal of Agricultural and Food Chemistry·Junfan NiuYongsong Cao

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