NEW MATERIAL: Phenylsulfonyl 2-imidazolin-5-one compound of formula I [A is H, substituted 1-4C alkyl, substituted 1-4C alkenyl, 1-4C alkoxy, etc.; R1 is 1-4C alkyl; R2 is 1-4C alkyl, 3-6C cycloalkyl, etc.; Q is formula II (R3-R7 are each H, halogen, nitro, cyano, etc.)], and phenylsulfonylcarboxamide compound of formula III [W is O or S; Y is H or cation].
USE: A Herbicide and its intermediate, which is useful for controlling a wide variety of annual and perennial monocotyledonous and dicotyledonous plants.
PROCESS: A compound of formula I is obtained by allowing α-aminoamide to react with carboxylic anhydride, then cyclizing the resulting compound to obtain imidazoline, treating the imidazoline with benzenesulfonylchloride to obtain the compound of formula III, and finally treating the compound of formula III with water in the presence of an acid.
| JPS59175464 | LEUCOTRIENE ANTAGONISTIC SUBSTANCE |
ARUBIN DONARUDO KURUUZU JIYUNI
PIITAA JIYON UETSUPURO
ROBAADO FURANSHISU DEENAA JIYU
TOMASU YUUJIN BURADEI
DEBITSUDO MAIKERU GANJI
DEJIRII RII RITORU
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