Avermectin derivatives

Details Avermectin derivatives Avermectin derivatives

2006-12-05

2006-12-05

Jiang, Shaojia Anna (Department: 1623)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

C514S018700, C514S019300, C514S029000, C514S450000, C514S047000, C536S007100, C544S243000, C562S470000

Reexamination Certificate

active

07144866

ABSTRACT:
Provided is a compound represented by the general formula (I) or a salt thereof:wherein, —XY— represents —CH═CH— and the like,between R2and the carbon atom at 5-position represents a single bond or a double bond, R1represents a lower alkyl group, a formyl group, a carboxyl group, a lower alkoxycarbonyl group (wherein a lower alkyl moiety of said lower alkoxycarbonyl group may be substituted with a heterocyclic group) and the like, and R1arepresents a hydrogen atom, provided when R1represents a lower alkoxycarbonyl group and the like, R1amay further represents a lower alkoxycarbonyl group and the like, whenbetween R2and the carbon atom at 5-position is a single bond, R2represents a hydroxyl group and the like, and whenbetween R2and the carbon atom at the 5-position is a double bound, R2combines with the carbon atom at 5-position to form a hydroxime group (—C(═NOH)) and the like, and R3represents a hydroxyl group or a tri(lower alkyl)silyloxy group.

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