Derivatives of milbemycins and avermectins

Details Derivatives of milbemycins and avermectins Derivatives of milbemycins and avermectins

C - Chemistry, Metallurgy

07

H

167/202, 260/210

C07H 17/08 (2006.01) A01N 43/90 (2006.01) A01N 55/00 (2006.01) A61K 31/70 (2006.01) C07H 19/01 (2006.01) C07H 23/00 (2006.01)

Patent

CA 2017030

Abstract Novel compounds of formula (I): Image (I) wherein R1 is hydrogen or optionally protected hydroxy; R2 is alkoxy, optionally protected hydroxy, oxo or optionally O-substituted oximino; R3 is hydrogen, optionally protected hydroxy,or a group 4'-(.alpha.-L-oleandrosyl)-.alpha.-L-oleandrosyloxy or .alpha.-L- oleandrosyloxy wherein the terminal hydroxy group is optionally protected; R4, R5, R6 and R7 are the same or different and each is hydrogen or an organic radical; and R8 is an optionally substituted amino or imino group such as optionally O-substituted oxyimino, optionally N-substituted hydrazone, or optionally N-substituted semicarbazone; are useful in the treatment of helminthiasis in humans and animals.

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