公开(公告)号：US20120071649A1

公开(公告)日：2012-03-22

申请号：US13254416

申请日：2010-03-04

申请人： Venugopal Venkatarama Durvasula ,  Parendu Dhirajlal Rathod ,  Ram Chandra Aryan ,  Chandra Has Khanduri

发明人： Venugopal Venkatarama Durvasula ,  Parendu Dhirajlal Rathod ,  Ram Chandra Aryan ,  Chandra Has Khanduri

IPC分类号： C07D417/04

CPC分类号： C07D281/16

摘要： The present invention relates to an improved process for the preparation of quetiapine and pharmaceutically acceptable salts. It also relates to improved process for the preparation of intermediates of quetiapine.

摘要翻译： 本发明涉及一种制备喹硫平和药学上可接受的盐的改进方法。 它还涉及改进制备喹硫平中间体的方法。