A compound of the formula (I):
in which B is an imidazo[1,2-a]pyridin-2-yl group which may be substituted, Q is a cyano group or a group of the formula:
- - A - R
wherein A is an oxygen or sulfur atom or a group of the formula :-NR¹- (wherein R¹ is a hydrogen atom or a lower alkyl group), R is a hydrogen atom, a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted, or its salt, which is useful as selective herbicide, and its production and use.
一种式 (I) 的化合物:
其中 B 为咪唑并[1,2-a]吡啶-2-基团,该基团可能被取代,Q 为氰基或式(I)中的基团:
- A - R
其中 A 是氧原子或硫原子或式:-NR¹-(其中 R¹ 是氢原子或低级烷基)的基团,R 是氢原子、可被取代的烃基或可被取代的杂环基,或其盐,可用作选择性除草剂,及其生产和使用。
Ohta, Kazunari; Minami, Keizaburo; Yoshikawa, Harutoshi, Bioscience, Biotechnology and Biochemistry, 1993, vol. 57, # 11, p. 1844 - 1848