Novel avermectin and milbemycin derivatives are disclosed, where the C-24 and C-25 carbon atoms are substituted by hydrogen, alkyl, alkenyl, substituted alkyl or substituted alkenyl groups. These compounds can be further substituted at the 4"-, 5-, 13-, and 23-positions. The new C-24 and C-25 substituted avermect prepared by cleavage of known and suitably protected avermectin and milbemycin compounds. The new compounds are potent anti-parasitic agents, in particular, the compounds are anthelmintic, insecticidal and acaricidal agents.
新的
阿维菌素和米尔贝霉素衍
生物被披露,其中C-24和C-25碳原子被氢、烷基、烯基、取代烷基或取代烯基基团取代。这些化合物可以在4"-、5-、13-和23-位置进一步取代。通过裂解已知和适当保护的
阿维菌素和米尔贝霉素化合物制备的新的C-24和C-25取代
阿维菌素。这些新化合物是有效的抗寄生虫剂,特别是这些化合物是驱虫剂、
杀虫剂和
杀螨剂。