申请人:Beecham Group Limited
公开号:US04432993A1
公开(公告)日:1984-02-21
A compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or methyl, R.sup.3 is hydroxy, hydroxyalkoxy, benzyloxy or X--Y--Z wherein (i) X is a bond or oxygen, Y is C.sub.1-6 straight or branched alkylene, and Z is hydrogen or carboxy; or (ii) X is a bond or moiety --O--CH.sub.2 --, Y is C.sub.2-6 straight or branched alkenylene, and Z is carboxy; and R.sup.4 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)的化合物:##STR1##其中R.sup.1和R.sup.2为氢或甲基,R.sup.3为羟基、羟基烷氧基、苄氧基或X-Y-Z,其中(i) X为键或氧,Y为C.sub.1-6直链或支链烷基,Z为氢或羧基;或(ii) X为键或基团--O--CH.sub.2 --,Y为C.sub.2-6直链或支链烯基,Z为羧基;R.sup.4是可选的取代基,n为1、2或3,它们的酯、酰胺和盐是抗肥胖、降血糖、抗炎和抑制血小板聚集的药剂。