| abstract |
A fused benzeneoxyacetic acid derivative of the formula (I): <CHEM> (wherein <CHEM> A is -COW, -NR<4>-Y or -Z-NR<4>-CONR<2>R<3>; W is -NR<2>R<3>, -NR<4>-OR<5>, -NR<4>-NR<2>R<3> or -NR<4>-N=CR<2>R<3>; Y is -CO-R<5>, -CO-U-NR<2>R<3> or -CS-U-NR<2>R<3>; Z is -CH=N- or -CH2-NR<6>-; R<1> is H or alkyl; R<2> or R<3> is H, (benzoyl)phenyl or R<5>; R<5> is phenyl, hetero ring containing N atom or alkyl substituted by hetero ring containing one N atom or phenyl; R<4> or R<6> is H, alkyl or (substituent)phenyl; U is bond or alkylene; e is 3-5; f is 1-3; p or r is 0-4; q is 0-2; s is 0-3> and salts thereof possess an agonistic on PGl2 receptor, so it is useful for prevention and/or treatment of thrombosis, arteriosclerosis, ischemic heart diseases, gastric ulcer and hypertention. |