SUBSTITUTED BICYCLOHEPTANEDIONE DERIVATIVE AND HERBICIDE

摘要

The present invention is directed to substituted bicycloheptanedione derivatives represented by a general formula ÄIÜ; <CHEM> wherein R represents C1-C4 alkyl, R<1> represents hydrogen, C1-C10 alkyl, C2-C4 alkenyl, C2-C4 alkynyl, aralkyl, C2-C4 haloalkynyl, C1-C4 alkoxy C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 haloalkenyl, etc. and R<2> represents optionally substituted phenyl or optionally substituted pyridyl, the salts thereof and herbicides comprising the same as the active ingredient.