US 11,970,456 B1
Synthesis of thiosemicarbazide analogue as inhibitor of tyrosinase, skin hyperpigmentation, and fruit and/or vegetable browning
Ahmed Muhammad Bari, Riyadh (SA); and Usman Ghani, Riyadh (SA)
Assigned to KING SAUD UNIVERSITY, Riyadh (SA)
Filed by KING SAUD UNIVERSITY, Riyadh (SA)
Filed on Sep. 21, 2023, as Appl. No. 18/371,092.
Int. Cl. C07D 231/56 (2006.01); A23B 7/154 (2006.01); A23L 3/3544 (2006.01); A61K 8/49 (2006.01); A61Q 19/02 (2006.01)
CPC C07D 231/56 (2013.01) [A23B 7/154 (2013.01); A23L 3/3544 (2013.01); A61K 8/494 (2013.01); A61Q 19/02 (2013.01); C07B 2200/13 (2013.01)] 20 Claims
 
1. A 2-((1H-indazol-5-yl)methylene)hydrazinecarbothioamide compound having the formula 2:

OG Complex Work Unit Chemistry
or a hydrochloride, acetate, phosphate, or p-toluene sulfate salt thereof.