C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 401/12 (2006.01) A01N 47/36 (2006.01) C07D 213/60 (2006.01) C07D 213/89 (2006.01) C07D 521/00 (2006.01)
Patent
CA 2171251
A pyridonesulfonylurea compound of the formula (I) or its salt: Image (I) wherein Q is Image or Image , R1 is a hydrogen atom, an alkyl group which may be substituted, an alkenyl group which may be substituted, an alkynyl group which may be substituted, an alkoxy group which may be substituted, an alkylthio group which may be substituted, an alkylcarbonyl group which may be substituted, an alkoxycarbonyl group which may be substituted, an alkylsulfinyl group which may be substituted, an alkylsulfonyl group which may be substituted, Image , Image or Image , G is a halogen atom, an alkyl group which may be substituted, an alkenyl group which may be substituted, an alkynyl group which may be substituted, an alkoxy group which may be substituted, an alkylthio group which may be substituted, an alkylcarbonyl group which may be substituted, an alkoxycarbonyl group which may be substituted, an alkylsulfinyl group which may be substituted, an alkylsulfonyl group which may be substituted, Image , Image or Image , each of R2 and R3 which are independent of each other, is a hydrogen atom, an alkyl group, an alkylcarbonyl group, an alkylsulfinyl group or an alkylsulfonyl group, each of R4, R5 and R8 which are independent of one another, is a hydrogen atom or an alkyl group, each of R6 and R7 which are independent of each other, is a hydrogen atom, an alkyl group, an alkylcarbonyl group or an alkoxycarbonyl group, n is an integer of from 0 to 3, each of X and Y which are independent of each other, is a halogen atom, an alkyl group, a haloalkyl group, an alkoxyalkyl group, an alkoxy group, a haloalkoxy group, a monoalkylamino group or a dialkylamino group, and A is CH or N. This compound or its salt shows a wide herbicidal spectrum at a low dose and thus is useful as an active ingredient for a herbicide.
Aoyama Yoshiyuki
Kikugawa Hiroshi
Mitani Makiko
Morishima Yasuo
Murai Shigeo
Ishihara Sangyo Kaisha Ltd.
Smart & Biggar
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