Synthesis and herbicidal activities of 2-(5-Propargyloxyphenyl)-4,5,6,7-tetrahydro-2H-indazole and their related derivatives

새로운 2-(5-Propargyloxyphenyl)-4,5,6,7-tetrahydro-2H-indazole의 합성과 제초활성

  • Published : 2001.12.31


Of the cyclic imide type compounds, S-275 was known to exhibit a potent herbicidal effects. We have designed and synthesized the compounds having diverse subsutuents in place of the chlorine group of bicyclic 4,5,6,7-tetrahydroindazole part of S-275. Their herbicidal activities were studied under flooded paddy conditions. The results showed that the most compounds gave relatively weak herbicidal activities, whereas tile compound substituted with methylthio group showed potent herbicidal effects against paddy weeds at a rate of 0.015 kg/ha and improved tolerance on rice compared to S-275.


Cyclic imide;Protox inhibitor;bicyclic 4,5,6,7-tetrahydroindazole;herbicide