PROCESSES FOR PREPARING AMINE SALTS OF SILDENAFIL-ANALOGUES AND USE THEREOF
申请人:Chen Ing-Jun
公开号:US20120108604A1
公开(公告)日:2012-05-03
A series of amine salts including a structure of formula (I) and formula (III) have provided. In formula I or formula (III), R
1
, R
a
and RX are as defined in the specification. The amine complex salts disclosed in the present invention are characterized in a pro-drug active form and various pharmaceutical function.
Processes for preparing amine salts of sildenafil-analogues and use thereof
申请人:Chen Ing-Jun
公开号:US08497370B2
公开(公告)日:2013-07-30
A series of amine salts including a structure of formula (I) and formula (III) have provided. In formula I or formula (III), R1, Ra and RX are as defined in the specification. The amine complex salts disclosed in the present invention are characterized in a pro-drug active form and various pharmaceutical function.