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Synthesis and herbicidal activities of N-[4-Cyano-2-fluoro-5-(substituted)phenyl]-3,4,5,6-tetrahydrophthalimide  

Ryu, Jae-Wook (Korea Research Institute of Chemical Technology)
Chung, Kun-Hoe (Korea Research Institute of Chemical Technology)
Ko, Young-Kwan (Korea Research Institute of Chemical Technology)
Woo, Jae-Chun (Korea Research Institute of Chemical Technology)
Koo, Dong-Wan (Korea Research Institute of Chemical Technology)
Kim, Tae-Joon (Korea Research Institute of Chemical Technology)
Choi, Jung-Sub (Korea Research Institute of Chemical Technology)
Park, Chae-Hyun (Dongbu Hannong Chemical Co., Ltd.)
Kim, Dae-Whang (Korea Research Institute of Chemical Technology)
Publication Information
The Korean Journal of Pesticide Science / v.9, no.1, 2005 , pp. 108-111 More about this Journal
Abstract
A series of N-[4-cyano-2-fluoro-5-(2-pyrimidinyloxy, 2-benzyloxy or 2-pyridinyloxy)phenyl]-3,4,5,6-tetrahydrophthalimides was synthesized, and the herbicidal activities of those deivatives were evaluated through pre- and post-emergence application under upland conditions in a greenhouse. The results showed that most compounds resulted in stronger herbicidal activity on broadleaf weeds than on grass weeds and higher through post-emergence than pre-emergence application. The N-[(4-cyano-2-fluoro-5-(2-pyrimidinyloxy) phenyl]-3,4,5,6-tetrahydrophthalimide showed the best weed control efficacy and marginal corn safety at a rate of 60 g/ha through pre-emergence application.
Keywords
tetrahydrophthalimide; herbicidal activity; corn tolerance;
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