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Synthesis and herbicidal activities of potassium methyl 1-(substituted phenoxyacetoxy)alkylphosphonate

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Abstract

A series of potassium methyl 1-(substituted phenoxyacetoxy)alkylphosphonates(9a–9o) was designed and synthesized. The results of preliminary bioassays indicate that most of the title compounds possess excellent pre-emergence and post-emergence herbicidal activities against Brassica napus, Amaranthus mangostanus, Medicago sativa, Echinochloa crusgalli, and Digitaria sanguinalis at a dosage of 1500 g/ha(1 ha=10000 m2). Especially, potassium methyl 1-(2,4-dichlorophenoxyacetoxy)-1-(4-methylphenyl)methylphosphonate(9g) and potassium methyl 1-(2,4-dichlorophenoxyacetoxy)-1-(furan-2-yl)methylphosphonate(9j) show the best herbicidal activity against five tested weeds with more than 85% inhibitory rate in pre-emergence.

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Authors and Affiliations

  1. Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China

    Tao Wang, Wei Wang, Hao Peng & Hong-wu He

Authors
  1. Tao Wang
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  2. Wei Wang
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  3. Hao Peng
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  4. Hong-wu He
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Corresponding author

Correspondence to Hao Peng.

Additional information

Supported by the National Basic Research Program of China(No.2010CB126100), the National Key Technologies Research and Development Progaram of China(No.2011BAE06B03), the National Natural Science Foundation of China(No.21172090) and the Program for Changjiang Scholars and Innovative Research Team in University of China(No.IRT0953).

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Wang, T., Wang, W., Peng, H. et al. Synthesis and herbicidal activities of potassium methyl 1-(substituted phenoxyacetoxy)alkylphosphonate. Chem. Res. Chin. Univ. 29, 690–694 (2013). https://doi.org/10.1007/s40242-013-2525-9

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  • DOI: https://doi.org/10.1007/s40242-013-2525-9

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