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.
本发明提供了式I的5-成员杂环芳香化合物ArN(Y)COCH.sub.2 Cl I,其中Ar是一个5-成员杂环芳香基团,包括1或2个从O、S和N中选择的杂原子,并通过环C原子与其绑定的N(Y)COCH.sub.2 Cl基团的N原子相连,当Ar是吡唑基时,所述的N(Y)COCH.sub.2 Cl基团位于4位,Y如说明书中所述。本发明还涉及这些化合物作为除草剂的用途、用于促进此类用途的组合物以及氯乙酰胺的制备。