申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0375076A1
公开(公告)日:1990-06-27
Compound of the general formula (I)
wherein X, Y and Z, which may be the same or different, each represents hydrogen, halogen, alkyl, haloalkyl, hydroxy, alkoxyalkyl, alkoxy, haloalkoxy, cycloalkyl, optionally substituted aryl, alkylthio, arylthio, optionally substituted amino or a group -CO₂R⁷, wherein R⁷ is hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl or optionally substituted aralkyl, or X and Y together or Y and Z together represent a divalent group forming, together with the carbon atoms to which they are attached, a ring structure;
R¹ represents a group -A-CH=CHCH₃,-A-C≡CCH₃ , -A-CH₂CH=CH₂, -A-CH₂C≡CH, -A(CH₂)nBR, -A(CH₂)nB(CH₂)mBR,
or -A(CH₂)nR⁸, optionally substituted at any chain or ring carbon atom, wherein
A and B independently represent -0-, -S- or -NR, B¹ represents a direct bond, -O-, -S- or -NR n and m are integers from 1 to 3, p is 0, 1 or 2, R is hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl or optionally substituted aralkyl and R⁸ is optionally substituted aryl;
R² to R⁴, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy or -CO₂R⁷, wherein R⁷ is as herein defined;
R⁵ is hydrogen, halogen, alkyl, haloalkyl, optionally substituted cycloalkyl, optionally substituted aryl, nitro, cyano, hydroxy, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted amino optionally substituted alkylthio, optionally substituted alkylsulphinyl, optionally substituted alkylsulphonyl, optionally substituted arylthio, optionally substituted arylsulphinyl, optionally substituted arylsulphonyl, oximino, oxime, oxime ether, -CO₂R⁷, -CONR72, -SO₃R⁷, -SO₂NR72, optionally substituted acyl, optionally substituted arylcarbonyl,
or has the same meaning as R, wherein R⁷ is as herein defined and R⁹ is hydrogen, alkyl, acyl, arylcarbonyl or aralkyl; and
R⁶ is hydrogen, acyl, arylcarbonyl, alkylsulphonyl, arylsulphonyl or alkyl,
subject to the proviso that R¹ does not represent -SCH₂CH=CH₂ when Y and R² to R⁵ are hydrogen and X and Z are methyl, or a salt thereof, and their use in preventing or combating undesired plant growth at a locus.
通式(I)化合物
其中 X、Y 和 Z(可以相同或不同)各自代表氢、卤素、烷基、卤代烷基、羟基、烷氧基烷基、烷氧基、卤代烷氧基、环烷基、任选取代的芳基、烷硫基、芳硫基、任选取代的氨基或基团 -CO₂R⁷,其中 R⁷ 是氢、任选取代的烷基、任选取代的环烷基、任选取代的芳基或任选取代的芳烷基,或 X 和 Y 合在一起或 Y 和 Z 合在一起代表二价基团,与所连接的碳原子一起形成环状结构;
R¹ 代表基团-A-CH=CHCH₃、-A-C≡CCH₃、-A-CH₂CH=CH₂、-A-CH₂C≡CH、-A(CH₂)nBR、-A(CH₂)nB(CH₂)mBR、
或-A(CH₂)nR⁸,任选在任何链或环的碳原子上被取代,其中
A 和 B 独立地代表-0-、-S-或-NR,B¹ 代表直接键、-O-、-S-或-NR n 和 m 是 1 至 3 的整数,p 是 0、1 或 2,R 是氢、任选取代的烷基、任选取代的环烷基、任选取代的芳基或任选取代的芳烷基,R⁸ 是任选取代的芳基;
R² 至 R⁴ 可以相同或不同,各自代表氢、卤素、烷基、烷氧基或 -CO₂R⁷,其中 R⁷ 如本文所定义;
R⁵ 是氢、卤素、烷基、卤代烷基、任选取代的环烷基、任选取代的芳基、硝基、氰基、羟基、任选取代的烷氧基、任选取代的芳氧基、任选取代的杂芳氧基、任选取代的氨基、任选取代的烷硫基、任选取代的烷硫基、任选取代的烷磺酰基、任选取代的芳硫基、任选取代的芳硫基、任选取代的芳磺酰基、肟、肟、肟醚、-CO₂R⁷、-CONR72、-SO₃R⁷、-SO₂NR72、任选取代的酰基、任选取代的芳羰基、
或具有与 R 相同的含义,其中 R⁷ 如本文所定义,R⁹ 是氢、烷基、酰基、芳羰基或芳烷基;以及
R⁶ 是氢、酰基、芳羰基、烷基磺酰基、芳基磺酰基或烷基、
但当 Y 和 R² 至 R⁵ 为氢且 X 和 Z 为甲基时,R¹ 不代表-SCH₂CH=CH₂或其盐,以及它们在防止或抑制植物在基因座上不期望的生长中的用途。