Paper
Synthesis and Herbicidal Activities of Novel Ethyl 2-(4-(Pyridin-2-yl-oxy)phenyl-amino)propanoates/acetates
Published 2017 · Zhihong Xu, Tao Zhang, Shaokang Wang
Chinese Journal of Organic Chemistry
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Abstract
Aryloxyphenoxypropionates (APPs) are a class of herbicides targeting on acetyl-coenzyme A carboxylase (AC-Case) in monocot chloroplast. The article presents synthesis of twenty three novel ethyl 2-(4-(pyridin-2-yl-oxy)phenylamino)-propanoates/acetates, and their structures were characterized by 1 H NMR, HRMS and X-ray single-crystal diffraction. The herbicidal activities on barnyard grass and rape of the novel compounds were evaluated. Ethyl 2-(4-(5-nitropyridin-2-yloxy)-phenylamino)propanoate ( B5 ) showed almost the same level of herbicidal activity on barnyard grass as commercial herbicide fluazifop-methyl which could become a potential lead compound on weeds.
Novel ethyl 2-(4-(pyridin-2-yl-oxy)phenylamino)-propanoates/acetates show potential as lead compounds for weed control, with B5 showing nearly the same herbicidal activity as commercial fluazifop-methyl.
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