Efficient and stereoselective process for large scale synthesis of (3R)-3-(2,3-dihydrobenzofuran-5-yl)-1,2,3,4-tetrahydropyrrolo[3,4-b]quinolin-9-one derivatives
申请人:Li Xun
公开号:US20070015798A1
公开(公告)日:2007-01-18
This invention relates to an efficient process for large scale stereoselective production of (3R)-3-(2,3-dihydrobenzofuran-5-yl)-1,2,3,4-tetrahydropyrrolo[3,4-b]quinolin-9-ones and key intermediates used for the preparation of benzofuranyl pyrroloquinolones as potent and selective PDE5 inhibitors for the treatment of erectile dysfunction, as well as pharmaceutical compositions and methods of treatment utilizing these compounds.
本发明涉及一种有效的大规模立体选择性生产(3R)-3-(2,3-二氢苯并呋喃-5-基)-1,2,3,4-四氢吡咯并[3,4-b]喹啉-9-酮及其在制备苯并呋喃基吡咯喹啉类PDE5抑制剂用作治疗勃起功能障碍的关键中间体方面的应用,以及利用这些化合物的制药组合物和治疗方法。