A compound of the formula:
1
wherein R
1
is H or a substituent; m is 1-3; Ar is an aromatic group which may be substituted; X is a bond or a divalent straight-chain group having 1-6 atoms which may be substituted; Y is —S—, —O—, or —N(R
2
)— (R
2
is H or a substituent group), Z is —N═ or —C(R
3
)═ (R
3
is H or a hydrocarbon group), ring A is a benzene ring; ring B is a 5- to 7-membered ring which may be substituted, or a salt thereof is useful for eliciting a prostaglandin I
2
receptor agonistic effect.
化合物的公式为:1其中R1为H或取代基;m为1-3;Ar为芳香基团,可以被取代;X为键或直链二价基团,具有1-6个原子,可以被取代;Y为—S—,—O—或—N(R2)—(R2为H或取代基),Z为—N═或—C(R3)═(R3为H或烃基团),环A为苯环;环B为5-至7-成员环,可以被取代,或其盐对诱导
前列腺素I2受体激动作用有用。