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Synthesis and Herbicidal Activity of Cyclohexane-1,3-diones
Kyoung-Mahn Kim(김경만),Byung Hoe Lee(이병회),Eung Kul Ryu(유응걸) 한국농약과학회 2000 농약과학회지 Vol.4 No.3
A series of S-(2-methyl-2-alkylindanyl)cyclohexane-1,3-diones were synthesized and evaluated for herbicidal activities in a green house. Under submerged paddy conditions, those compounds showed high herbicidal activity against barnyardgrass with good tolerance on rice.
Synthesis and Herbicidal Activity of N-{2,4-dichloro-5-(3-pyrazolyl)phenyl} imides
Kyoung-Mahn Kim(김경만),Byung Hoe Lee(이병회),Eung Kul Ryu(유응걸) 한국농약과학회 2000 농약과학회지 Vol.4 No.3
A series of N-{2,4-dichloro-5-(pyrazolyl)phenyl}imides 7 and 8 was prepared and evaluated their herbicidal activities. Those compounds in which either carboxylate or carboxamide moiety is on pyrazole moiety 7c-7l showed no herbicidal activity whereas, the compounds in which trifluoromethyl group is substituted in pyrazolyl moiety showed moderate herbicidal activities against barnyardgrass, monochria and flat-sedge under paddy conditions with good rice tolerance at rate 63-250 g/㏊
Synthesis and Herbicidal Activity of New N-{5-[(Pyrazolylmethyl)oxy]phenyl}imides
Kyoung-Mahn Kim(김경만),Jong Hwan Song(송종환),Dong Ju Jeon(전동주),Hyoung Rae Kim(김형래),Jung Sup Choi(최정섭),Do-Yeon Oh(오도연),Eung K. Ryu(유응걸) 한국농약과학회 2000 농약과학회지 Vol.4 No.2
3,4-Dimethyl-N-[4-chloro-2-fluoro-5-{(pyrazolylmethyl)oxy}phenyl]maleimides or 3,4,5,6-tetrahydro-N-[4-chloro-2-fluoro-5-{(pyrazolylmethyl)oxy} phenyl]phthalimides were prepared and evaluated their herbicidal activities under paddy conditions. Those compounds which have N-methyl-5-pyrazolylmethyloxy moiety showed good tolerance in transplanted rice and strong herbicidal activities on bamyardgrass below 60 g/㏊ of dose.