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. 06, 2015
Filed:
Mar. 17, 2014
Applicant:
Rexahn Pharmaceuticals, Inc., Rockville, MD (US);
Inventors:
Haifeng Yin, Shanghai, CN;
Deog J. Kim, Rockville, MD (US);
Eliezer Falb, Giv'atayim, IL;
Leigh A. Pearcey, Didcot, GB;
Jonathan Cummins, Didcot, GB;
Petra Dieterich, Oxfordshire, GB;
Jean-Francois Carniaux, Abington, GB;
Yi Wang, Chester Springs, PA (US);
Vikram Chandrakant Purohit, Downingtown, PA (US);
Assignee:
Rexahn Pharmaceuticals, Inc., Rockville, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/47 (2006.01); C07F 7/18 (2006.01); C07D 317/44 (2006.01);
U.S. Cl.
CPC ...
C07D 239/47 (2013.01); C07F 7/1892 (2013.01); C07D 317/44 (2013.01);
Abstract
Processes for the preparation of 4-amino-1-((1S,4R,5S)-2-fluoro-4,5-dihydroxy-3-hydroxymethyl-cyclopent-2-enyl)-1H-pyrimidin-2-one (13, RX-3117) and its intermediates are described.