申请人:Anumula Reddy Raghupathi
公开号:US20070066824A1
公开(公告)日:2007-03-22
A process for preparing alfuzosin or a salt thereof, which minimizes the concentration of an N
1
-(4-amino-6,7-dimethoxyquinazolin-2-yl)-N
1
-methyl-N
2
-(4-amino-6,7-dimethoxyquinazolin-2-yl)-propane-1,3-diamine impurity in the product.
一种制备奥法唑辛或其盐的方法,该方法可以最小化产品中N1-(4-氨基-6,7-二甲氧基喹唑啉-2-基)-N1-甲基-N2-(4-氨基-6,7-二甲氧基喹唑啉-2-基)-丙烷-1,3-二胺杂质的浓度。