申请人:——
公开号:US20030176698A1
公开(公告)日:2003-09-18
A condensed purine derivative represented by Formula (I):
1
wherein X—Y—Z represents R
1
N—C═O or N═C—W, R
2
represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted alicyclic heterocyclic group or the like, n represents an integer of from 0 to 3, V
1
represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aromatic heterocyclic group, V
2
represents a substituted lower alkyl group or a substituted or unsubstituted aromatic heterocyclic group, and when V
1
represents a hydrogen atom, a lower alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group, and for example, X—Y—Z represents R
1a
N—C═O and R
2
represents a substituted lower alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alicyclic heterocyclic group, a halogen atom, a lower alkylthio group, —NR
7
R
8
, —CO
2
H, a lower alkoxycarbonyl group, —COHal, —CONR
9
R
10
or —CHO, V
2
may represent a lower alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; or a pharmacologically acceptable salt thereof.
化学式(I)所表示的一种紧缩嘌呤衍生物:其中X—Y—Z表示R1N—C═O或N═C—W,R2表示氢原子,取代或未取代的低碳基团,取代或未取代的芳基烷基团,取代或未取代的芳基团,取代或未取代的芳香杂环基团,取代或未取代的脂环杂环基团等,n表示0至3的整数,V1表示氢原子,取代或未取代的低碳基团,取代或未取代的芳基烷基团,取代或未取代的芳基团,或取代或未取代的芳香杂环基团,V2表示取代的低碳基团或取代或未取代的芳香杂环基团,当V1表示氢原子、低碳基团、取代或未取代的芳基烷基团或取代或未取代的芳基团时,例如,X—Y—Z表示R1aN—C═O,而R2表示取代的低碳基团、取代或未取代的芳基烷基团、取代或未取代的脂环杂环基团、卤素原子、低碳硫基团、—NR7R8、—CO2H、低碳基氧羰基团、—COHal、—CONR9R10或—CHO,V2可以表示低碳基团、取代或未取代的芳基烷基团或取代或未取代的芳基团;或其药学上可接受的盐。