US 12,435,037 B2
Acetylsalicylic acid derivative and application thereof
Jing Zhang, Shanghai (CN)
Assigned to ZHEJIANG HANMAI PHARMACEUTICAL TECHNOLOGY CO., LTD., Shaoxing (CN)
Filed by Zhejiang Hanmai Pharmaceutical Technology Co., Ltd., Shaoxing (CN)
Filed on Apr. 15, 2024, as Appl. No. 18/635,657.
Application 18/635,657 is a continuation of application No. 17/419,448, granted, now 11,958,808, previously published as PCT/CN2019/128617, filed on Dec. 26, 2019.
Claims priority of application No. 201811653721.7 (CN), filed on Dec. 29, 2018.
Prior Publication US 2024/0287000 A1, Aug. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 211/16 (2006.01); C07C 235/78 (2006.01); C07D 203/18 (2006.01)
CPC C07D 211/16 (2013.01) [C07C 235/78 (2013.01); C07D 203/18 (2013.01); C07B 2200/13 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method of treating at least one acetylsalicylic acid indications or for preventing platelet aggregation, comprising the step of applying the compound represented by Formula (1) or the pharmaceutically acceptable salt in a transdermal dosage form or a transmucosal dosage form to a subject to be treated:

OG Complex Work Unit Chemistry
wherein R1 and R2 each independently represent, unsubstituted C1-C10 alkyl,
R3 represents unsubstituted C1-C12 alkyl, and
n is 1.