申请人:STAUFFER AGRICULTURAL CHEMICALS COMPANY, INC.
公开号:EP0316491A1
公开(公告)日:1989-05-24
Herbicidal compounds having the formula
wherein
X is =H or =N- ;
R¹ is hydrogen, C₁-C₄ alkyl, phenyl or substituted phenyl;
R² is hydrogen or C₁-C₄ alkyl; or
R¹ and R² together are C₂-C₅ alkylene;
R³ is hydrogen, C₁-C₄ alkyl, phenyl or substituted phenyl, with the proviso that R¹ and R³ are not both phenyl or substituted phenyl;
R⁴ is hydrogen or C₁-C₄ alkyl; or
R³ and R⁴ together are oxo;
R⁵ is hydrogen or C₁-C₄ alkyl;
R⁶ is hydrogen or C₁-C₄ alkyl; and
R⁷ and R⁸ independently are (1) hydrogen; (2) halogen; (3) C₁-C₄ alkyl; (4) C₁-C₄ alkoxy; (5) trifluoromethoxy; (6) cyano; (7) nitro; (8) C₁-C₄ haloalkyl; (9) RbSOn- wherein n is the integer 0, 1 or 2; and Rb is (a) C₁-C₄ alkyl; (b) C₁-C₄ alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NRcRd wherein Rc and Rd independently are hydrogen or C₁-C₄ alkyl; (11) ReC(O)- wherein Re is C₁-C₄ alkyl or C₁-C₄ alkoxy; or (12) -SO₂NRcRd wherein Rc and Rd are as defined; and (13) -N(Rc)C(O)Rd wherein Rc and Rd are as defined, and their salts.
具有以下式子的除草化合物
式中
X 是 =H 或 =N- ;
R¹ 是氢、C₁-C₄ 烷基、苯基或取代苯基;
R² 是氢或 C₁-C₄ 烷基;或
R¹ 和 R² 合在一起是 C₂-C₅ 亚烷基;
R³ 是氢、C₁-C₄ 烷基、苯基或取代苯基,但 R¹ 和 R³ 不能都是苯基或取代苯基;
R⁴ 是氢或 C₁-C₄ 烷基;或
R³ 和 R⁴ 合在一起是氧代;
R⁵ 是氢或 C₁-C₄ 烷基;
R⁶ 是氢或 C₁-C₄ 烷基;和
(1) 氢; (2) 卤素; (3) C₁-C₄ 烷基; (4) C₁-C₄ 烷氧基; (5) 三氟甲氧基; (6) 氰基; (7) 硝基;(8) C₁-C₄ 卤代烷基; (9) RbSOn-,其中 n 为整数 0、1 或 2;且 Rb 为 (a) C₁-C₄ 烷基; (b) 被卤素或氰基取代的 C₁-C₄ 烷基;(10) -NRcRd 其中 Rc 和 Rd 分别为氢或 C₁-C₄ 烷基; (11) ReC(O)- 其中 Re 为 C₁-C₄ 烷基或 C₁-C₄ 烷氧基;或 (12) -SO₂NRcRd 其中 Rc 和 Rd 如所定义;和 (13) -N(Rc)C(O)Rd 其中 Rc 和 Rd 如所定义,以及它们的盐。