专利检索 ap:("Aurobindo Pharma Ltd.") AND inv:"Nadakudity Sailendra Kumar" 第 1 页

1.

发明授权
Process for the preparation of Eltrombopag olamine and its intermediates 有权

公开(公告)号：US11161821B2

公开(公告)日：2021-11-02

申请号：US15733804

申请日：2019-05-16

申请人： Aurobindo Pharma Ltd.

发明人： Moturu Venkata Ramakrishna Murthy , Tiwari Shashi Kant , Nadakudity Sailendra Kumar , Samala Bhanuchander , Rajesh Chennuri , Srinivasa Chary Katuroju , Sivakumaran Meenakshisunderam

IPC分类号： C07D231/48

摘要： The present invention relates to an improved process for the purification of Eltrombopag olamine of compound of formula (2). The present invention also relates to an improved process for the preparation of Eltrombopag olamine intermediates and further conversion to Eltrombopag olamine of a compound of formula (2).