申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0395182A1
公开(公告)日:1990-10-31
A compound of the formula
in which
R¹ represents an optionally substituted alkyl, alkenyl, alkynyl, aryl or aralkyl radical;
R² represents a chlorine atom, a group of the formula
O - - R⁵, wherein R⁵ represents a hydrogen atom or an optionally substituted alkyl, alkoxy, alkoxycarbonyl, aryl, aryloxy, aralkoxy, aryloxyalkyl or amino radical,
or
a group of the formula O-R⁶ wherein R⁶ represents an optionally substituted heterocyclic ring of which at least the ring member bonded to the oxygen atom or one of the adjacent ring members is a hetero atom; and
one of R³ and R⁴ represents a hydrogen atom and the other represents an alkyl radical;
The invention also provides processes for the preparation of compounds of formula I, herbicidal compositions containing them and their use as herbicides.
该化合物的化学式为:其中,R¹代表可选取代的烷基、烯基、炔基、芳基或芳基烷基基团;R²代表氯原子、公式O - - R⁵的基团,其中R⁵代表氢原子或可选取代的烷基、烷氧基、烷氧羰基、芳基、芳氧基、芳基烷氧基、芳氧基烷基或氨基基团,或者公式O-R⁶的基团,其中R⁶代表可选取代的杂环环,其中至少与氧原子相键合的环成员或相邻的一个环成员是杂原子;R³和R⁴中的一个代表氢原子,另一个代表烷基基团;本发明还提供了制备化合物I的方法,含有该化合物的除草剂组合物以及其作为除草剂的用途。