申请人:Jordan Allan
公开号:US20110118284A1
公开(公告)日:2011-05-19
Compounds of formula (I) are A
2B
receptor antagonists, wherein R
1
is optionally substituted aryl or an optionally substituted 5- or 6-membered heteroaryl ring; R
2
and R
3
are independently selected from hydrogen, C
1
-C
6
alkyl, C
3
-C
8
cycloalkyl, C
3
-C
8
cycloalkyl-(C
1
-C
6
)-alkyl, aryl-(C
1
-C
6
)-alkyl optionally substituted in the ring part thereof, a 5- or 6-membered monocyclic heterocyclic group optionally linked via a C
1
-C
6
alkylene chain and optionally substituted in the ring part thereof, benzimidazol-2-yl-methyl, pyrid-3-yl-carbonyl, or (1-methyl-piperidin-4-yl)-carbonyl-methyl; or R
2
and R
3
taken together with the nitrogen atom to which they are attached form an optionally substituted 5- or 6-membered ring; R
4
is C
1
-C
3
alkyl, C
2
-C
3
alkenyl, —N(—R
5
)—R
6
, or optionally substituted heteroarylmethylamino; and R
5
and R
6
are independently selected from hydrogen or C
1
-C
3
alkyl; or R
5
and R
6
taken together with the nitrogen atom to which they are attached form an optionally substituted 4- to 6-membered saturated ring.
式(I)的化合物是A2B受体拮抗剂,其中R1是可选取代芳基或可选取代的5-或6-成员杂环芳基环;R2和R3独立地选择氢、C1-C6烷基、C3-C8环烷基、C3-C8环烷基-(C1-C6)-烷基、取代环部分的芳基-(C1-C6)-烷基、5-或6-成员单环杂环基,可通过C1-C6亚烷基链连接并可在环部分取代,苯并咪唑-2-基-甲基,吡啶-3-基-羰基或(1-甲基哌啶-4-基)-羰基-甲基;或R2和R3与它们所连接的氮原子一起形成可选取代的5-或6-成员环;R4是C1-C3烷基、C2-C3烯基,-N(-R5)-R6,或可选取代的杂芳基甲基氨基;R5和R6独立地选择氢或C1-C3烷基;或R5和R6与它们所连接的氮原子一起形成可选取代的4-到6-成员饱和环。