Pyrazolo[4,3-D]pyrimidines, processes for their preparation and methods for therapy
申请人:Moravcova Daniela
公开号:US20050080097A1
公开(公告)日:2005-04-14
The invention relates to 3-, 5-, 7-trisubstituted pyrazolo[4,3-d]pyrimidines represented by the general formula I
and pharmaceutically acceptable salts thereof, wherein R3 is an optionally substituted alkyl, cycloalkyl, cycloheteroalkyl, cycloalkyl alkyl, aryl or alkylaryl group;
R5 is halogen, —NHNH
2
, —NHOH, NHCONH
2
, guanylo (NH—C(NH)NH
2
) an optionally substituted C
1
-C
6
alkyl, alkenyl, alkinyl, C
3
-C
15
cycloalkyl, R
f
(C
3
-C
15
cycloalkyl), heterocycle, heteroalkyl, aryl, heteroaryl, arylalkyl, cycloheteroalkyl, cycloheteroalkyl alkyl, heteroarylalkyl group, the group —C(O)—R
a
, —C(O)NR
b
R
c
, —SO
3
R
d
, or —NHC(O)R
e
, wherein R
a
and R
f
are an optionally substituted C
1
-C
6
alkyl, alkenyl, or alkinyl group, R
b
, R
c
and R
d
are independently selected from the group consisting of H, optionally substituted C
1
-C
6
alkyl, alkenyl, or alkinyl group, and R
e
is a hydroxy, amino, alkoxy, alkylamino, optionally substituted C
1
-C
6
alkyl, alkenyl or alkinyl group; or the group —X—R
5′
, wherein X is —NH—, —O—, —S— or —N(alkyl)- and R
5
′ is hydrogen, an optionally substituted C
1
-C
6
alkyl, alkenyl, alkinyl, C
3
-C
15
cycloalkyl, Rf(C
3
-C
15
cycloalkyl), aryl, heterocycle, hetero C
1
-C
6
alkyl, arylalkyl, heteroaryl, cycloheteroalkyl, cycloheteroalkyl alkyl, or heteroarylalkyl group, the group —C(O)—R
a
, —C(O)NR
b
R
c
, —SO
3
R
d
, or —NHC(O)R
e
, wherein R
a
, R
b
, R
c
, R
d
, R
e
and R
f
have the above meaning, and
R7 is halogen, —NHNH
2
, NHOH, NHCONH
2
, guanylo (NH—C(NH)NH
2
) or the group —X—R
7′
, wherein X has the above meaning and the meaning of R
7′
is as defined for R
5′
.
本发明涉及一种由通式I表示的3-,5-,7-三取代吡唑并[4,3-d]嘧啶及其药学上可接受的盐,其中R3是可选取代的烷基,环烷基,环杂烷基,环烷基烷基,芳基或烷基芳基基团;R5是卤素,—NHNH2,—NHOH,NHCONH2,鸟苷基(NH—C(NH)NH2)可选取代的C1-C6烷基,烯基,炔基,C3-C15环烷基,Rf(C3-C15环烷基),杂环,杂烷基,芳基,杂芳基,芳基烷基,环杂烷基,环杂烷基烷基,杂芳基烷基基团,基团—C(O)—Ra,—C(O)NRbRc,—SO3Rd,或—NHC(O)Re,其中Ra和Rf是可选取代的C1-C6烷基,烯基或炔基,Rb,Rc和Rd是独立选择自H,可选取代的C1-C6烷基,烯基或炔基,Re是羟基,氨基,烷氧基,烷基氨基,可选取代的C1-C6烷基,烯基或炔基;或基团—X—R5′,其中X是—NH—,—O—,—S—或—N(烷基)-,R5′是氢,可选取代的C1-C6烷基,烯基,炔基,C3-C15环烷基,Rf(C3-C15环烷基),芳基,杂环,杂C1-C6烷基,芳基烷基,杂芳基,环杂烷基,环杂烷基烷基,或杂芳基烷基基团,基团—C(O)—Ra,—C(O)NRbRc,—SO3Rd,或—NHC(O)Re,其中Ra,Rb,Rc,Rd,Re和Rf具有上述含义,R7是卤素,—NHNH2,NHOH,NHCONH2,鸟苷基(NH—C(NH)NH2)或基团—X—R7′,其中X具有上述含义,R7′的含义如R5′所定义。