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:
Oct. 01, 2019
Filed:
Jun. 29, 2018
Applicant:
Scinopharm Taiwan, Ltd., Tainan, TW;
Inventors:
Ming-Chih Wu, Tainan, TW;
Tsung-Yu Hsiao, Tainan, TW;
Assignee:
ScinoPharm Taiwan, Ltd., Tainan, TW;
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/06 (2006.01); C07D 405/12 (2006.01);
U.S. Cl.
CPC ...
C07D 405/12 (2013.01); C07D 405/06 (2013.01);
Abstract
The present disclosure provides efficient, economical, and improved processes for synthesizing lifitegrast and intermediates thereof. The currently discloses processes provide a direct synthetic route, avoiding protection or deprotection steps. The currently disclosed process also provides processes for synthesizing lifitegrast using a reduced number of synthetic steps.