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:
Aug. 23, 2016
Filed:
Mar. 26, 2014
Applicant:
Actelion Pharmaceuticals Ltd., Allschwil, CH;
Inventors:
Assignee:
ACTELION PHARMACEUTICALS LTD., Allschwil, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/47 (2006.01);
U.S. Cl.
CPC ...
C07D 239/47 (2013.01);
Abstract
The present invention relates to a new synthetic intermediate, namely the compound of formula I-2 or a salt thereof. Said compound of formula I-2 or its salt can be used to prepare the compound of formula I-3 which is an important synthetic intermediate used in the preparation of macitentan.