Publication number: 20060247210
Abstract: Pharmaceutical pyrazolybenzothiazole compositions of formula (1) are provided. The compositions may be pharmaceutically acceptable salts. R1, R2 and R3 at each occurrence are independently selected from amino, aminosulfinyl, aminosulfonyl, aryl, azido, halogen, heteroalkyl, heteroaryl, hydrazinyl, hydrocarbyl, hydrogen, hydroxyl, nitro, nitroso, phosphate, phosphinate, phosphonate, phosphonium, phosphorothioate, phosphoryl, sulfamoyl, sulfate, sulfinic acid, sulfonamido, sulfonate, sulfonic acid, sulfonyl, sulfoxido, thiol, thioureido, and ureido, and R4 is selected from hydrogen, heteroalkyl, heteroaryl, and hydrocarbyl.
Type:
Application
Filed:
July 23, 2003
Publication date:
November 2, 2006
Applicant:
QLT INC.
Inventors:
Zaihui Zhang, Timothy Daynard, Shisen Wang, Xinyao Du, Gregory Chopiuk, Jun Yan, Jianxin Chen, Serguei Sviridov