Makrolide Derivate.

摘要

Compounds are described of formula (1) and salts thereof wherein R<1> is a methyl, ethyl or isopropyl group; R<2> represents a hydrogen atom or a group OR<4> (where OR<4> is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms) and R<3> represents a hydrogen atom, or R<2> and R<3> together with the carbon atom to which they are attached represent >C=CH2, >C=0 or >C=NOR<5> (where R<5> is a hydrogen atom or a C1-8 alkyl group and the group >C=NOR<5> is in the E configuration). These compounds may be used for controlling insect, acarine, nematode or other pests.