US 11,814,405 B2
Pyridine sulfonamide phosphate compound, preparation method therefor, and use thereof
Nongnong Wei, Shanghai (CN); Hua Jin, Shanghai (CN); Yongyong Zheng, Shanghai (CN); Feng Zhou, Shanghai (CN); and Meihua Huang, Shanghai (CN)
Assigned to Shanghai Xunhe Pharmaceutical Technology Co. Ltd., Shanghai (CN)
Filed by Shanghai Xunhe Pharmaceutical Technology Co. Ltd., Shanghai (CN)
Filed on Feb. 18, 2022, as Appl. No. 17/675,681.
Application 17/675,681 is a continuation of application No. PCT/CN2020/094379, filed on Jun. 4, 2020.
Claims priority of application No. 201910930296.X (CN), filed on Sep. 29, 2019.
Prior Publication US 2022/0169666 A1, Jun. 2, 2022
Int. Cl. C07F 9/09 (2006.01)
CPC C07F 9/09 (2013.01) 8 Claims
 
1. A pyridine sulfonamide phosphate compound of formula I or a pharmaceutical salt thereof:

OG Complex Work Unit Chemistry
wherein
X is O or C, or does not exist; and
Y is C, or does not exist;
when X and Y do not exist, O is directly connected to P;
when X exists but Y does not exist, X is directly connected to O; and
when Y exists but X does not exist, Y is directly connected to P.