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:
Dec. 27, 2016
Filed:
Mar. 28, 2014
Applicant:
Xuanzhu Pharma Co., Ltd., Shandong, CN;
Inventors:
Chutian Shu, Shandong, CN;
Yongqian Wu, Shandong, CN;
Assignee:
Xuanzhu Pharma Co., Ltd., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/675 (2006.01); C07F 9/6558 (2006.01); A61K 45/06 (2006.01);
U.S. Cl.
CPC ...
C07F 9/65583 (2013.01); A61K 31/675 (2013.01); A61K 45/06 (2013.01);
Abstract
Provided are prodrugs of a bicyclic substituted pyrimidine type PDE-5 inhibitors, pharmaceutically acceptable salts or stereoisomers thereof. Also provided are methods for preparing these prodrug compounds, pharmaceutical preparations, and pharmaceutical compositions, as well as a use of these compounds, pharmaceutical preparations and pharmaceutical compositions in the manufacture of medicaments for treatment and/or prophylaxis of sexual dysfunction and lower urinary tract symptoms.