US 11,753,377 B2
Crystal form of 2-methyl-2-propanol and amino-substituted aryl compound
Xiaolin Li, Shanghai (CN); Chong Su, Guangdong (CN); Zhi Luo, Shanghai (CN); Fei Hao, Shanghai (CN); Peng Li, Shanghai (CN); Haiying He, Shanghai (CN); Jian Li, Shanghai (CN); and Shuhui Chen, Shanghai (CN)
Assigned to ZHUHAI UNITED LABORATORIES CO., LTD., Guangdong (CN)
Appl. No. 18/685
Filed by ZHUHAI UNITED LABORATORIES CO., LTD., Guangdong (CN)
PCT Filed Jun. 17, 2021, PCT No. PCT/CN2021/100696
§ 371(c)(1), (2) Date Dec. 5, 2022,
PCT Pub. No. WO2021/254456, PCT Pub. Date Dec. 23, 2021.
Claims priority of application No. 202010554402.1 (CN), filed on Jun. 17, 2020.
Prior Publication US 2023/0174489 A1, Jun. 8, 2023
Int. Cl. C07D 213/73 (2006.01); A61P 27/00 (2006.01)
CPC C07D 213/73 (2013.01) [A61P 27/00 (2018.01); C07B 2200/13 (2013.01)] 14 Claims
 
1. A crystal form A of a compound represented by formula (I), wherein the crystal form A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following 2θ angles: 7.03±0.20°, 16.36±0.20°, and 21.23±0.20°;

OG Complex Work Unit Chemistry