Invention Grant
- Patent Title: Process for purification of carfilzomib intermediate
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Application No.: US16332717Application Date: 2017-09-13
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Publication No.: US11078231B2Publication Date: 2021-08-03
- Inventor: Walter Cabri , Saswata Lahiri , Govind Singh , Sarbjot Singh Sokhi , Maneesh Kumar Pandey , Raj Narayan Tiwari , Sonu Prasad Shukla
- Applicant: FRESENIUS KABI ONCOLOGY LIMITED
- Applicant Address: IN New Delhi
- Assignee: FRESENIUS KABI ONCOLOGY LIMITED
- Current Assignee: FRESENIUS KABI ONCOLOGY LIMITED
- Current Assignee Address: IN New Delhi
- Agency: Leydig, Voit & Mayer, Ltd.
- Priority: IN201611031297 20160914
- International Application: PCT/IB2017/055517 WO 20170913
- International Announcement: WO2018/051237 WO 20180322
- Main IPC: A61K38/00
- IPC: A61K38/00 ; C07K1/22 ; C07D303/32 ; C07C53/18 ; C07K5/107 ; C07K5/087 ; C07K5/103 ; A61P35/00
Abstract:
The present invention relates to a process for the purification of compound of formula II, wherein X may be independently selected from trifluoroacetic acid, hydrochloric acid, hydrobromic acid, p-toluene sulfonic acid and phosphoric acid; its isolation as solid and use for the preparation of carfilzomib.
Public/Granted literature
- US20190218249A1 A PROCESS FOR PURIFICATION OF CARFILZOMIB INTERMEDIATE Public/Granted day:2019-07-18
Information query
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