To provide a useful compound exhibiting PPAR (peroxisome proliferator-activated receptor) operating activity and/or PPAR operating activity.
A highly unsaturated fatty acid derivative or analogue represented by formula (I) is provided. In formula (I), R1 is hydrogen, a hydroxyl group, an alkoxyl group, an acyloxy group, or a halogen; R2 is a hydrogen, or R1 and R2 are each a halogen or an alkoxyl group, or R1 and R2 may be combined together to form a carbonyl group; R3 is hydrogen, a hydroxyl group, an alkoxyl group, or an acyloxy group; R4 is hydrogen or R3 and R4 may be combined to together form a carbonyl group; R5 is hydrogen, a hydroxyl, an alkyl, an alkenyl, an alkynyl, a halogen, an aryl, an acyloxy, or an alkoxyl group; and R6 is hydrogen, an alkyl, an alkenyl, an alkynyl, an aryl, or an alkoxyl group.
YAMAMOTO KEIKO
ITO TOSHIMASA
KICHIKAI KAZUTAKA
TAMAI TADAKAZU
SATO NOBUYUKI
MUROTA KAZUTAKA
NISHIKAWA MASAZUMI
Koji Morita
Reiko Tanaka
Ken Kitano
Natsuki Ito