Granted Patent
B2
US 12,091,414 · App. 17/427,357 · Granted Sep 17, 2024
Crystalline form of Di-p-toluoyl-L-tartrate of upadacitinib
Inventors:
Peng Wang (Suzhou, CN); Pixu Li (Suzhou, CN); Qiang Wei (Suzhou, CN); Wen Cheng (Suzhou, CN)
Assignee:
SUZHOU PENGXU PHARMATECH CO., LTD.
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Abstract
The present application provides a upadacitinib salt compound and a preparation method therefor. The salt involved in the method in the present application has an easy preparation operation, a cheap raw material easy to get, and a good purification effect on upadacitinib, and is beneficial to industrial production.
Claims (3)
1. Crystalline Form A of Di-p-toluoyl-L-tartrate of a compound of formula I:
characterized by a X-ray powder diffraction pattern comprising peaks at 3.9, 7.5, 10.4, 13.4, 15.2, and 23.4°±0.2 2θ degrees.
2. A pharmaceutical composition comprising the di-p-toluoyl-L-tartrate of claim 1 .
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jul 30, 2021
From: WANG, PENG; LI, PIXU; WEI, QIANG; CHENG, WEN
To: SUZHOU PENGXU PHARMATECH CO., LTD.
Reel/Frame 057034/0451 →
Priority Claims (1)
CN 201910385804.0
· May 9, 2019
· national
Continuity (1)