申请人:Matsunaga Nobuyuki
公开号:US20080176906A1
公开(公告)日:2008-07-24
The present invention provides a novel pyrrole derivative having excellent androgen receptor antagonism, which is represented by the formula:
wherein R
1
represents a hydrogen atom, a cyano group or a group represented by the formula COOR
A
(wherein R
A
represents an optional substituted C
1-6
alkyl group), R
2
and R
4
are the same or different, and each represents a hydrogen atom, a C
1-6
alkyl group, a C
3-6
cycloalkyl group, a trifluoromethyl group, an amino-C
1-6
alkyl group, a mono- or di-substituted amino-C
1-6
alkyl group, an optionally halogenated C
1-6
alkyl group substituted with an optionally substituted hydroxyl group, a C
2-6
alkenyl group substituted with an optionally substituted hydroxyl group, a C
1-6
alkyl group substituted with an optionally substituted and optionally oxidized thiol group, an optionally substituted with and optionally oxidized thiol group, a cyano group, an acyl group, an optionally substituted oxazolyl group or a 1,3-dioxolan-2-yl group, R
3
represents a group represented by the formula:
(wherein X represents a halogen atom, Y represents a carbon atom or a nitrogen atom, Alk represents an optionally substituted C
1-4
alkylene group, and R
B
represents a hydrogen atom or an acyl group), and R
5
represents a phenyl group which has a cyano group at a
4
-position or a
3
-position thereof, and may be further substituted, or a salt thereof. The present invention also provides an androgen receptor antagonist containing the pyrrole derivative, or a salt thereof.
本发明提供了一种新型吡咯衍生物,具有优异的雄激素受体拮抗作用,其化学式表示为:其中,R1表示氢原子、氰基或由COORA(其中RA表示可选的取代C1-6烷基基团)表示的基团,R2和R4相同或不同,每个表示氢原子、C1-6烷基基团、C3-6环烷基基团、三氟甲基基团、氨基-C1-6烷基基团、单取代或双取代氨基-C1-6烷基基团、可选卤代的C1-6烷基基团,其被取代的羟基基团也是可选的、可选取代的C2-6烯基基团、被可选取代的硫醇基团取代的C1-6烷基基团、被可选取代的、可选氧化的硫醇基团取代的C1-6烷基基团、氰基、酰基、可选取代的噁唑基团或1,3-二氧杂环戊烷-2-基基团,R3表示由以下公式表示的基团:(其中,X表示卤素原子,Y表示碳原子或氮原子,Alk表示可选取代的C1-4烷基基团,RB表示氢原子或酰基),R5表示在其4-位或3-位具有氰基基团的苯基基团,可以进一步取代,或其盐。本发明还提供了一种含有该吡咯衍生物或其盐的雄激素受体拮抗剂。