C(29)-carbonyloxymilbemycin derivatives for controlling parasitic pests of animals and plants

Abstract From the Canadian patent

C(29)-Carbonyloxymilbemycin derivatives for controlling parasitic pests of animals and Plants, Abstract of the Disclosure The invention relates to novel C(29)-carbonyloxymilbemycin derivatives of formula 1, to the preparation thereof and to the use thereof for controlling pests, as well as to pesticidal compositions which contain as active ingredient at least one of these compounds. Said novel compounds are of the general formula I (I), wherein, X is -CH(OR1)-, -C(O)- or -C(=N-OH)- R1 is hydrogen, a silyl group, an acyl group or a sugar residue R2 is methyl, ethyl, isopropyl or sec-butyl and R is hydrogen, unsubstituted or substituted straight chain or branched C1-C18alkyl, unsubstituted or …