申请人:——
公开号:US20040198609A1
公开(公告)日:2004-10-07
4-Alkyl-substituted thienyloxypyridines of the formula I
1
where:
R
1
, R
3
are hydrogen, halogen, cyano, nitro, alkyl, haloalkyl, alkoxy or haloalkoxy;
R
2
is alkyl or cycloalkyl;
R
4
, R
5
, R
6
are hydrogen, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl;
where R
2
is not methyl if R
1
and R
3
are hydrogen;
and their agriculturally useful salts;
processes and intermediates for their preparation, and the use of these compounds or of the compositions comprising them for controlling undesirable plants are described.
本文描述了式I1的4-烷基取代噻吩氧吡啶,其中:R1,R3为氢,卤素,氰基,硝基,烷基,卤代烷基,烷氧基或卤代烷氧基;R2为烷基或环烷基;R4,R5,R6为氢,卤素,氰基,烷基,卤代烷基,烷氧基,卤代烷氧基,烷硫基,卤代烷硫基,烷基磺酰基或卤代烷基磺酰基;其中,如果R1和R3为氢,则R2不为甲基;以及它们的农业有用盐;描述了其制备的过程和中间体,以及使用这些化合物或包含它们的组合物来控制不良植物的用途。