Quinoline compounds

摘要

A quinoline compound represented by the formula (4): <CHEM> wherein R<2><5> is -COOH or -COOR<1><1>; R<2><6> is -COOH or -COOR<1><2>; R<2><4>, R<2><7> and R<2><8> may be the same or different and each independently represents a hydrogen atom, a halogen atom, a lower alkyl, alkoxy or CmF2m+1- group, wherein m is an integer of 1 to 6; and R<1><1> and R<1><2> are the same or different and each independently represents an lower alkyl, alkenyl, cyclo lower alkyl, aryl or aralkyl group. Processes for preparing the above compound are also provided.