申请人:Sandoz Ltd.
公开号:US04666502A1
公开(公告)日:1987-05-19
The invention provides 5-membered heteroaromatic compounds of formula I ArN(Y)COCH.sub.2 Cl I wherein Ar is a 5-membered heteroaromatic group comprising 1 or 2 heteroatoms selected from O, S and N and linked by a ring C-atom to the N-atom of the N(Y)COCH.sub.2 Cl group to which it is bound, whereby where Ar is pyrazolyl, said N(Y)COCH.sub.2 Cl group is in the 4-position, and Y is as specified in the description, the use of these compounds as herbicides, compositions for facilitating such use and the preparation of the chloroacetamides.
该发明提供了式I ArN(Y)COCH.sub.2 Cl I的5-成员杂芳化合物,其中Ar是一个由1个或2个来自O、S和N的杂原子组成的5-成员杂芳基团,并且通过一个环C原子连接到N原子的N(Y)COCH.sub.2 Cl基团,Ar为吡唑基时,所述的N(Y)COCH.sub.2 Cl基团处于4-位置,Y如描述中所述,这些化合物的用途包括除草剂,促进此类用途的组合物以及氯乙酰胺的制备。