| abstract |
ABSTRACT Compounds of formula (I) (I) and salts thereof wherein R1 is a methyl, ethyl or isopropyl group; R2 is a hydrogen atom or a group OR4 (where OR4 is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms) and R3 is a hydrogen atom, or (when R2 is a hydrogen atom) a bromine atom or R2 and R3 together with the carbon atom to which they are attached represent >C=CH2, >C=0 or >C=NOR5 (where R5 is a hydrogen atom, a C1-8 alkyl group or a C3-8 alkenyl group and the group >C-NOR5 is in the E configuration); and Y represents an oxygen atom or a group NOR5 (where R5 is as defined above); with the proviso that when Y is an oxygen atom and R1 is an isopropyl group, then R2 is other than hydroxyl group. These compounds may be used for controlling insect, acarine, nematode or other pests. |