The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2020
Filed:
Aug. 22, 2017
Applicant:
Medshine Discovery Inc., Nanjing, Jiangsu, CN;
Inventors:
Yunfu Luo, Shanghai, CN;
Chundao Yang, Shanghai, CN;
Maoyi Lei, Shanghai, CN;
Lanbao Sun, Shanghai, CN;
Guoping Hu, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Assignee:
Medshine Discovery Inc., Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 235/26 (2006.01); C07D 263/58 (2006.01); C07D 401/04 (2006.01); C07D 403/04 (2006.01); C07D 403/06 (2006.01); C07D 405/04 (2006.01); C07D 409/04 (2006.01); C07D 417/04 (2006.01); A61P 29/00 (2006.01); A61K 31/423 (2006.01); A61P 37/00 (2006.01); A61K 31/4184 (2006.01); C07D 401/10 (2006.01); C07D 403/10 (2006.01); C07D 405/10 (2006.01); C07D 409/10 (2006.01); C07D 417/10 (2006.01);
U.S. Cl.
CPC ...
C07D 235/26 (2013.01); A61K 31/4184 (2013.01); A61K 31/423 (2013.01); A61P 29/00 (2018.01); A61P 37/00 (2018.01); C07D 263/58 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 403/04 (2013.01); C07D 403/06 (2013.01); C07D 403/10 (2013.01); C07D 405/04 (2013.01); C07D 405/10 (2013.01); C07D 409/04 (2013.01); C07D 409/10 (2013.01); C07D 417/04 (2013.01); C07D 417/10 (2013.01);
Abstract
Provided are a phosphodiesterase-4 (PDE4) inhibitor and application thereof in preparation of a medication for treating a disease related to PDE4. Specifically disclosed is a compound as shown in formula (I) and a pharmaceutically acceptable salt thereof.