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. 15, 2019
Filed:
Dec. 05, 2016
Applicant:
Knopp Biosciences Llc, Pittsburgh, PA (US);
Inventors:
Prasad Raje, North Syracuse, NY (US);
Rajendrakumar Reddy Gadikota, North Syracuse, NY (US);
Jian-Xie Chen, Manlius, NY (US);
Olga V. Lapina, Clifton Park, NY (US);
John M. McCall, Boca Grande, FL (US);
Assignee:
Knopp Biosciences LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 277/82 (2006.01);
U.S. Cl.
CPC ...
C07D 277/82 (2013.01);
Abstract
Methods for preparing chirally purified substituted 4,5,6,7-tetrahydro-benzothiazole diamines such as, for example, (6R)2-amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole and purifying a dominant enantiomer of substituted 4,5,6,7-tetrahydro-benzothiazole diamines from entantiomerically enriched mixtures of substituted 4,5,6,7-tetrahydro-benzothiazole diamines are provided herein.