A compound of the formula:
in which R is OH, C₁-C₃ alkoxy or R³-N-R⁴; Rf is C₁-C₃ perfluoroalkyl; R¹ is hydrogen, C₁-C₆ alkyl (including cycloalkyl) or optionally substituted phenyl; R² is hydrogen or C₁-C₃ alkyl; n is an integer of 0 to 2; R³ is hydrogen, C₁-C₆ alkyl (including cycloalkyl) or C₁-C₆ alkenyl; R⁴ is C₁-C₆ alkyl (including cycloalkyl), optionally substituted phenylalkyl where the alkyl moiety contains 1 to 3 carbons, optionally substituted phenyl or (C₁-C₃)alkoxycarbonyl (C₁-C₃) alkyl; or R³ and R⁴ together with the nitrogen atom to which they are attached form a cyclic amino group, the compound optionally being as a salt thereof.
Processes for preparing the compound (I) and herbicides containing the compound (I) are also disclosed.
一种式化合物:
其中 R 是 OH、C₁-C₃ 烷氧基或 R³-N-R⁴;Rf 是 C₁-C₃
全氟烷基;R¹ 是氢、C₁-C₆ 烷基(包括环烷基)或任选取代的苯基;R² 是氢或 C₁-C₃ 烷基;n 是 0 至 2 的整数;R³ 是氢、C₁-C₆ 烷基(包括环烷基)或 C₁-C₆ 烯基;R⁴ 是 C₁-C₆ 烷基(包括环烷基)、任选取代的苯基烷基(其中烷基含有 1 至 3 个碳原子)、任选取代的苯基或 (C₁-C₃)烷氧基羰基 (C₁-C₃) 烷基;或 R³ 和 R⁴ 与它们连接的氮原子一起形成环状
氨基,化合物任选为其盐。
本发明还公开了制备化合物(I)和含有化合物(I)的
除草剂的工艺。