申请人:BOEHRINGER INGELHEIM ANIMAL HEALTH USA INC.
公开号:US11382949B2
公开(公告)日:2022-07-12
The present invention provides cyclic depsipeptide compounds of formula (I) wherein the stereochemical configuration of at least one carbon atom bearing the groups Cy1, Cy2, R1, R2, R3, R4, Ra and Rb is inverted compared with the naturally occurring cyclic depsipeptide PF1022A. The invention also provides compositions comprising the compounds that are effective against parasites that harm animals. The compounds and compositions may be used for combating parasites in or on mammals and birds. The invention also provides for an improved method for eradicating, controlling and preventing parasite infestation in birds and mammals.
本发明提供了式(I)的环状去肽化合物,其中与天然存在的环状去肽PF1022A相比,含有基团Cy1、Cy2、R1、R2、R3、R4、Ra和Rb的至少一个碳原子的立体化学构型是颠倒的。本发明还提供了包含这些化合物的组合物,这些组合物对危害动物的寄生虫有效。这些化合物和组合物可用于防治哺乳动物和鸟类体内或身上的寄生虫。本发明还提供了一种根除、控制和预防鸟类和哺乳动物体内寄生虫侵扰的改进方法。