申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:EP0138527A2
公开(公告)日:1985-04-24
Pyrazole derivatives, for use as herbicides, have the formula (I):
wherein
R1 represents hydrogen, halogen or methyl;
R2 represents hydrogen, halogen, nitro, methyl, cyano, carboxy, (C1 to C8)-alkoxy or (C1 to C4)-alkoxycarbonyl;
R3 represents hydroxy, amino, (C3 or C4)-alkenyloxy, (C3 or C4)-alkynyloxy, (C1 to C4)-alkoxy-(C1 to C4)-alkoxy, (C1 to C4)-alkylthio, (C3 or C4)-alkenylamino, (C1 to C4)-alkylsulfonylamino, (C1 or C2)-alkoxy-(C1 or C2)-alkylamino, -O-N=C-(CH3)2, anilino, benzylamino, morpholino, (C1 to C6)-alkoxy unsubstituted or substituted by (C1 to C4)-alkoxycarbonyl, (C1 to C4)-mono- or di-alkylamino group in which the or each alkyl group is unsubstituted or substituted by hydroxy or carboxy, or -OM wherein M represents an alkali metal, alkaline earth metal, ammonium or (C1 to C4)-alkylammonium;
R4 represents halogen, methyl, (C1 to C4)-alkoxy, -S(O)m-R5 wherein m is 0, 1 or 2 and R5 represents (C1 to C4)-alkyl;
X represents hydrogen, halogen, (C1 to C4)-alkyl, (C1 to C4)-alkylthio or (Ci to C4)-alkylsulfonyl; and
Y represents (C1 to C4)-alkyl or X and Y taken together with the atoms to which they are attached form a cyclopentyl or cyclohexyl ring unsubstituted or substituted with one or more methyl group.
用作除草剂的吡唑衍生物具有式(I):
其中
R1 代表氢、卤素或甲基;
R2 代表氢、卤素、硝基、甲基、氰基、羧基、(C1 至 C8)-烷氧基或 (C1 至 C4)- 烷氧基羰基;
R3 代表羟基、氨基、(C3 或 C4)-烯氧基、(C3 或 C4)-炔氧基、(C1 至 C4)-烷氧基、(C1 至 C4)-烷硫基、(C3 或 C4)-烯基氨基、(C1 至 C4)-烷磺基氨基、(C1 或 C2)-烷氧基-(C1 或 C2)-烷基氨基、-O-N=C-(CH3)2、苯胺基、苄基氨基、吗啉基、(C1~C6)-烷氧基(未被(C1~C4)-烷氧基羰基取代或被(C1~C4)-烷氧基羰基取代)、(C1~C4)-一烷基或二烷基氨基(其中或每个烷基未被羟基或羧基取代或被羟基或羧基取代)或 -OM,其中 M 代表碱金属、碱土金属、铵或(C1~C4)-烷基铵;
R4 代表卤素、甲基、(C1-C4)-烷氧基、-S(O)m-R5,其中 m 是 0、1 或 2,R5 代表(C1-C4)-烷基;
X 代表氢、卤素、(C1 至 C4)-烷基、(C1 至 C4)-烷硫基或(Ci 至 C4)-烷基磺酰基;以及
Y 代表 (C1 至 C4)-烷基,或 X 和 Y 与它们所连接的原子一起形成未取代或被一个或多个甲基取代的环戊基或环己基环。