| abstract |
A compound of formula (I):n whereinn R 1 and R 2 are hydrogen or methyl, R 3 is hydroxy, hydroxyalkoxy, benzyloxy or X-Y-Z whereinn (i) X is a bond or oxygen, Y is C 1-6 straight or branched alkylene, and Z is hydrogen or carboxy; or (ii) X is a bond or moiety -O-CH 2 -, Y is C 2-6 straight or branched alkenylene, and Z is carboxy; nand R 4 is an optional substituent, and n is 1,2 or 3, ntheir esters, amides and salts, are anti-obesity, hypoglycaemic, anti-inflammatory and platelet aggregation inhibiting agents. |