Novel pyrazolopyrimidinethione derivatives, preparation methods thereof and their use as therapeutics for erectile dysfunction
申请人:——
公开号:US20040176371A1
公开(公告)日:2004-09-09
Novel pyrazolopyrimidinethione compounds of formula 1: wherein R
1
and R
2
are independently each hydrogen atom, a C
1
-C
6
alkyl group, or a C
3
-C
6
cycloalkyl group, R
3
is a C
1
-C
6
alkyl group. C
3
-C
6
cycloalkyl group or C
3
-C
6
alkenyl group which is substituted or unsubstituted, X is O or NR
4
, and R
4
is hydrogen atom, or a C
1
-C
6
alkyl group, a C
3
-C
6
cycloalkyl group or a C
3
-C
6
alkenyl group which is unsubstituted or substituted with OH or an alkoxy group, pharmacologically acceptable salts or hydrates thereof, and preparation methods thereof are disclosed. Pharmaceutical compositions comprising the compounds are effectively used for the treatment of erectile dysfunction.
化合物1的新型吡唑并嘧啶硫酮化合物,其中R1和R2分别独立地为氢原子、C1-C6烷基或C3-C6环烷基,R3为C1-C6烷基、C3-C6环烷基或C3-C6烯基,可以是取代或未取代的,X为O或NR4,而R4为氢原子或C1-C6烷基、C3-C6环烷基或C3-C6烯基,可以是未取代或取代的,其中取代基为OH或烷氧基,其药物学上可接受的盐或水合物以及其制备方法被披露。包含这些化合物的制药组合物可有效用于治疗勃起功能障碍。