Imidazole compounds having adenosine deaminase inhibitory activity represented by the formula (I) wherein R1 is aryl or heterocyclic group which is optionally substituted with substituent(s); R
2
is lower alkyl; R
3
is hydroxy or protected hydroxy; -A- is lower alkylene; and —X—is —O— or —S—; provided that when then R1 is aryl which is substituted with substituent(s), or heterocyclic group which is optionally substituted with substituent(s), its prodrug, or their salt. The compounds are useful for treating and/or preventing diseases for which adenosine is effective.
1
具有
腺苷脱氨酶抑制活性的
咪唑化合物,其
化学式表示为(I),其中R1是芳基或杂环基,可选地带有取代基;R2是较低的烷基;R3是羟基或保护羟基;-A-是较低的烷基;而—X—是—O—或—S—;但当R1是带有取代基的芳基或可选带有取代基的杂环基时,其前药或其盐。这些化合物可用于治疗和/或预防
腺苷在其中有效的疾病。