	US 11,891,384 B2
	Process for the preparation of Rivaroxaban involving novel intermediate
Dhananjay G. Sathe, Maharashtra (IN); Arijit Das, Goa (IN); Sanjay Raikar, Goa (IN); Yashwant S. Surve, Maharashtra (IN); and Bhushan S. Pandit, Maharashtra (IN)
Assigned to Unichem Laboratories Ltd, Mumbai (IN)
Filed by Unichem Laboratories Ltd, Maharashtra (IN)
Filed on May 3, 2021, as Appl. No. 17/306,617.
Application 17/306,617 is a division of application No. 16/335,506, granted, now 11,034,683, previously published as PCT/IB2017/058245, filed on Dec. 21, 2017.
Claims priority of application No. 201721000351 (IN), filed on Jan. 4, 2017.
Prior Publication US 2021/0387979 A1, Dec. 16, 2021
Int. Cl. C07D 413/14 (2006.01); C07D 413/10 (2006.01); A61K 31/5377 (2006.01); A61P 7/02 (2006.01)

CPC C07D 413/14 (2013.01) [C07D 413/10 (2013.01); C07B 2200/13 (2013.01)]

4 Claims

1. 4 {4-[(5S)-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-phenyl}-morpholin-3-one perchlorate of Formula-5