申请人:Xie Meihua
公开号:US20070142669A1
公开(公告)日:2007-06-21
The present invention relates to a process for preparing Tamsulosin, an anti-benign prostatic hyperplasia drug, which comprises converting o-ethoxyphenoxyethanol to a corresponding sulfonate, and reacting the sulfonate with (R)-(−)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide by condensation to produce Tamsulosin.
本发明涉及一种制备治疗良性前列腺增生的药物坦索罗辛的方法,包括将o-乙氧基苯氧乙醇转化为相应的磺酸盐,并将磺酸盐与(R)-(−)-5-(2-氨基丙基)-2-甲氧基苯磺酰胺通过缩合反应生成坦索罗辛。