Pyrazolopyrimidinethione Derivatives, Salts and Solvates Thereof, Preparation Methods and Use Thereof
申请人:Li Shuxin
公开号:US20070219220A1
公开(公告)日:2007-09-20
The present invention disclosed the pyrazolopyrimidinethione derivatives, salts and solvates thereof, preparation methods and use thereof. The pyrazolopyrimidinethione derivatives according to the present invention possess the structure of general formula I, wherein, R
1
, R
2
, R
3
, and R
4
represent alkyl, alkenyl, or aryl; R
5
represents hydrogen, alkyl, alkenyl, alkoxy, cycloalkyloxy, aryl, or alkylacyl; and R
6
represents hydrogen, alkyl, alkenyl, cycloalkyloxy, or alkylacyl. The pharmaceuticals containing the compound of the present invention and used for the treatment of impotence and sexlessness have the advantages of high selectivity over PDE V, long action time, and less side reactions, and the pharmaceuticals will arouse no side reactions of blood pressure decreasing and heart rate increasing, and it has broad market propect.
PYRAZOLOPYRIMIDINETHIONE DERIVATIVES, SALTS AND SOLVATES THEREOF, PREPARATION METHODS AND USE THEREOF
申请人:Institute of Radiation Medicine Academy of
Military Medical Sciences of the Pla
公开号:EP1695976A1
公开(公告)日:2006-08-30
The present invention disclosed the pyrazolopyrimidinethione derivatives, salts and solvates thereof, preparation methods and use thereof. The pyrazolopyrimidinethione derivatives according to the present invention possess the structure of general formula I , wherein, R1, R2, R3, and R4 represent alkyl, alkenyl, or aryl; R5 represents hydrogen, alkyl, alkenyl, alkoxy, cycloalkyloxy, aryl, or alkylacyl; and R6 represents hydrogen, alkyl, alkenyl, cycloalkyloxy, or alkylacyl. The pharmaceuticals containing the compound of the present invention and used for the treatment of impotence and sexlessness have the advantages of high selectivity over PDEV, long action time, and less side reactions, and the pharmaceuticals will arouse no side reactions of blood pressure decreasing and heart rate increasing, and it has broad market propect.