HYDANTOIN DERIVATIVE, THESE PRODUCTION, HERBICIDE CONTAININ THE SAME AS ACTIVE INGREDIENT

PROBLEM TO BE SOLVED: To obtain a new hydantoin derivative which has excellent herbicidal activity and is readily producible. SOLUTION: This derivative is represented by formula I [X is O, S; X is H, a halogen, a 1-8C alkyl; X is H, a halogen, a 1-8C alkyl, -Y-CH(R )C(=O)OR (Y is O, S; R is H, a 1-4...

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Hauptverfasser:	OKANO NATSUKO, HIRAI KENJI, UKAI SADAYUKI, YANO SATOYUKI, YAMADA OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a new hydantoin derivative which has excellent herbicidal activity and is readily producible. SOLUTION: This derivative is represented by formula I [X is O, S; X is H, a halogen, a 1-8C alkyl; X is H, a halogen, a 1-8C alkyl, -Y-CH(R )C(=O)OR (Y is O, S; R is H, a 1-4C alkyl; R is a 1-6C alkyl, an aralkyl); X is H, a halogen, a 1-8C alkyl, ZR (Z is O, S; R is H, a 1-11C alkyl)], typically 2-(4- chloro-5-cyclopentyloxy-2-fluorophenyl)-5,6-dihydroimidazo[1,5-a]pyrid ine-1,3-[2H,7 H]dione. In order to obtain this derivative, for example, an aryl iso(thio)cyanate derivative of formula III [X ' is H, a halogen, a 1-8C alkyl; X ' is H, a halogen, a 1-8C alkly, ZR ' (R ' is a 1-11C alkly, a 3-8C cycloalkyl)] is allowed to react with a dehydropipecolinic acid derivative of formula IV (R is a H, an 1-6C alkyl).