BICYCLO[4.1.0]HEPTANE-2,4-DIONE DERIVATIVE, INTERMEDIATE FOR THE SYNTHESIS THEREOF, AND PRODUCTION THEREOF

摘要

Compounds represented by general formulae (I) and (II), useful as the intermediates for agricultural chemicals, particularly herbicidal compounds, wherein R?1 and R2¿ represent each hydrogen, alkyl or COOR3; R3 represents alkyl; and R4 represents alkyl.