Invention Grant
- Patent Title: Method for the purification of lansoprazole
- Patent Title (中): 兰索拉唑纯化方法
-
Application No.: US12311220Application Date: 2007-09-21
-
Publication No.: US08129536B2Publication Date: 2012-03-06
- Inventor: Thangavel Arulmoli , Siripragada Mahender Rao , Krishna Sumanth Peraka , Ariyamuthu Sundara Selvan
- Applicant: Thangavel Arulmoli , Siripragada Mahender Rao , Krishna Sumanth Peraka , Ariyamuthu Sundara Selvan
- Applicant Address: IN Tamil Nadu
- Assignee: Orchid Chemicals & Pharmaceuticals Limited
- Current Assignee: Orchid Chemicals & Pharmaceuticals Limited
- Current Assignee Address: IN Tamil Nadu
- Agency: Oliff & Berridge, PLC
- Priority: IN1736/CHE/2006 20060922; IN2390/CHE/2006 20061222
- International Application: PCT/IB2007/002734 WO 20070921
- International Announcement: WO2008/035189 WO 20080327
- Main IPC: C07D401/12
- IPC: C07D401/12
Abstract:
The present invention relates to an improved process for the preparation of Lansoprazole of formula (I). More particularly, the present invention relates to a method for the purification of crude Lansoprazole in a solvent in presence of an alkali salt of an organic acid or in presence of an organic base such as piperidine or imidazole.
Public/Granted literature
- US20100010230A1 Method for the purification of lansoprazole Public/Granted day:2010-01-14
Information query
