Antiparasitic agents

Details Antiparasitic agents Antiparasitic agents

C - Chemistry, Metallurgy

07

H

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

Patent

CA 2168731

Antiparasitic avermectin derivatives of for- mula (I), where the broken line represents an op- tional bond, R1 and R4 being absent when this bond is present, R1 and R4 are independently H, OH, halo, oximino, or an organic radical, R2, R6 and R7 are organic radicals and R3 is alpha-oleandrosyl or 4'-(alpha-oleandrosyl)-alpha-oleandrosyl option- ally substituted at the 4' or 4"-position, and R12 and R13 are independently H, CN, CONH2, C1-C8 alkyl or aryl optionally substituted with at least one halo, OH, C1-C8 alkoxy or C1-C6 alkylthio group.

Dérivés antiparasitaires d'evermectine de la formule (I), dans laquelle la ligne pointillée représente une laison facultative, R1 et R4 étant absents lorsque cette liaison est présente; R1 et R4, représentent indépendamment H, OH, halo, oximino, ou un radical organique; R2, R6 et R7 représentent des radicaux organiques; R3 représente alpha-oléandrosyle ou 4'-(alpha-oléandrosyle)-alpha-oléandrosyle facultativement substitué en position 4' ou 4"; et R12 et R13, représentent indépendamment H, CN, CONH2, aryle ou alkyle C1-8 éventuellement substitué par au moins un groupe halo, OH, alcoxy, C1-8 ou alkylthio C1-6.

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