Avermectin derivatives

Details Avermectin derivatives Avermectin derivatives

C - Chemistry, Metallurgy

07

D

167/202, 260/228

C07D 493/22 (2006.01) A01N 43/90 (2006.01) A61K 31/70 (2006.01) C07H 17/08 (2006.01)

Patent

CA 2022113

16/DLR10A 17971 TITLE OF THE INVENTION AVERMECTIN DERIVATIVES ABSTRACT OF THE DISCLOSURE Novel avermectin derivatives are disclosed, wherein the 4"-hydroxy group is replaced by a substituted acylamino or benzoylamino group. These avermectin derivatives can be further derivatized at the 5- and 23-positions as ketoximes or O-substituted ketoximes. The 4"-substituted avermectin derivatives are prepared by the acylation of the known 4"-aminoavermectins with acylating reagents. The new compounds are potent anti-parasitic agents, in particular, the compounds are anthelmintic, insecticidal and acaricidal agents.

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