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Citation: LI Yan-Jun, DUAN Ji-Ping, HE Hong-Wu. Synthesis and Herbicidal Activity of α-[2-(Fluorosubstituted phenoxy) propionyloxy]alkylphosphonates[J]. Chinese Journal of Applied Chemistry, ;2007, 24(5): 596-598. shu

Synthesis and Herbicidal Activity of α-[2-(Fluorosubstituted phenoxy) propionyloxy]alkylphosphonates

1.
a MOE Key Laboratory of Pesticide & Chemical Biology, College of Chemistry, Central China Normal University, Wuhan 430079;
2.
b College of Chemical Engineering and Technology, Wuhan Science and Technology University, Wuhan

Corresponding author: HE Hong-Wu,
Received Date: 3 June 2006
Available Online: 22 December 2006
Fund Project: 国家重点基础研究计划——"九七三"计划资助项目(2003CB114400) (2003CB114400)国家自然科学基金资助项目(20372023) (20372023)

In order to find new phosphonates with better herbicidal activity,fluorous group was introduced to α-oxophosphonates.Eight novel phosphonate derivatives were synthesized by the condensation reaction of 2-(fluoro-substituted phenoxy) propionyl chloride with α-hydroxyphosphonates in chloroform under reflux in yields of 20%~71%.The molecular structures of all the compounds were confirmed by IR,¹H NMR and MS.Preliminary bioassay results show that some of these compounds have better inhibiting effect against the roots of monocotyledon and dicotyledon.Inhibitory rates of compounds Ⅲe~Ⅲh against the roots of rape and barnyard grass were more than 93%.
- phosphonate,
- fluorous group,
- synthesis,
- herbicidal activity
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