Invention Grant
- Patent Title: Process for the preparation of Rivaroxaban involving novel intermediate
-
Application No.: US17306617Application Date: 2021-05-03
-
Publication No.: US11891384B2Publication Date: 2024-02-06
- Inventor: Dhananjay G. Sathe , Arijit Das , Sanjay Raikar , Yashwant S. Surve , Bhushan S. Pandit
- Applicant: Unichem Laboratories Ltd
- Applicant Address: IN Maharashtra
- Assignee: Unichem Laboratories Ltd
- Current Assignee: Unichem Laboratories Ltd
- Current Assignee Address: IN Mumbai
- Agency: COZEN O'CONNOR
- Priority: IN 1721000351 2017.01.04
- The original application number of the division: US16335506
- Main IPC: C07D413/14
- IPC: C07D413/14 ; C07D413/10 ; A61K31/5377 ; A61P7/02
Abstract:
The present invention relates to the novel key intermediate, 4-{4-[(SS)-(Aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-phenyl}-morpholin-3-one perchlorate, m the synthesis of rivaroxaban. The invention further relates to the crystalline form of novel intermediate, the process to prepare the novel intermediate and method of preparing rivaroxaban using this novel intermediate. The invention provides an improved and efficient process for preparation of Rivaroxaban.
Public/Granted literature
- US20210387979A1 PROCESS FOR THE PREPARATION OF RIVAROXABAN INVOLVING NOVEL INTERMEDIATE Public/Granted day:2021-12-16
Information query
