A compound of formula (I):
wherein
R1 and R2 are hydrogen or methyl,
R3 is hydroxy, hydroxyalkoxy, benzyloxy or X-Y-Z wherein
(i) X is a bond or oxygen,
Y is C1-6 straight or branched alkylene, and
Z is hydrogen or carboxy; or
(ii) X is a bond or moiety -O-CH2-,
Y is C2-6 straight or branched alkenylene, and
Z is carboxy;
and
R4 is an optional substituent, and
n is 1,2 or 3,
their esters, amides and salts, are anti-obesity, hypoglycaemic, anti-inflammatory and platelet aggregation inhibiting agents.
式(I)化合物:
其中
R1 和 R2 是氢或甲基、
R3 是羟基、羟基烷氧基、苄氧基或 X-Y-Z 其中
(i) X 是键或氧、
Y 是 C1-6 直链或支链亚烷基,以及
Z 是氢或羧基;或
(ii) X 是键或分子-O-
CH2-、
Y 是 C2-6 直链或支链烯烃,以及
Z 是羧基;
和
R4 是可选的取代基,以及
n 为 1、2 或 3、
它们的酯、酰胺和盐是抗肥胖、降血糖、抗炎和血小板聚集
抑制剂。