Syntheses of jasmonic acid related compounds and their structure-activity relationships on the growth of rice seedings.

  • YAMANE Hisakazu
    Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
  • SUGAWARA Jun
    Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
  • SUZUKI Yasushi
    Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
  • SHIMAMURA Etsuko
    Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
  • TAKAHASHI Nobutaka
    Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo

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Jasmonic acid (JA)-related compounds were synthesized, and their inhibitory activities on rice seedling growth were investigated. Three functions (C-1 CH2COOH or CH2COOCH3, C-2 (Z)-2'-pentenyl or n-pentyl and C-3 ketone or hydroxyl) were essential for exhibiting inhibitory activity in this series of compounds. A dihydro-JA-related compound, 4-acetylnonanoic acid, also showed inhibitory activity similar to JA.

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