Salt form and crystal form of A2A receptor antagonist and preparation method therefor
Grant
US12583869B2
Kind: B2
Mar 24, 2026
Assignee
CSTONE PHARMACEUTICAL (SUZHOU) CO., LTD.
Inventors
Kevin X Chen, Kai Zhou, Yanxin Yu, Boyu Hu, Li Zhang, Zhaoguo Chen
Abstract
Provided are a salt form and a crystal form of adenosine A2A receptor antagonist, and preparation method therefor. Also provided is an application of the salt form or crystal form in the preparation of a medicine for A2A receptor-related diseases, the maleate salt in the salt form has a structure of formula (I).
CPC Classifications
C07D 519/00
C07B 2200/13
Y02A 50/30
A61P 35/00
C07C 57/145
C07C 309/04
C07C 309/30
Filing Date
2020-03-27
Application No.
17442688
Claims
4