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. 19, 2021
Filed:
Oct. 10, 2018
Applicant:
Biogen Inc., Cambridge, MA (US);
Inventors:
Gerard M. Giblin, Cambridge, MA (US);
David T. MacPherson, Cambridge, MA (US);
Osama Suleiman, Cambridge, MA (US);
Michael Williams, Cambridge, MA (US);
David R. Witty, Cambridge, MA (US);
Thierry Bonnaud, Cambridge, MA (US);
Richard Edwards, Cambridge, GB;
Assignee:
Biogen Inc., Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/10 (2006.01); C07D 207/277 (2006.01);
U.S. Cl.
CPC ...
C07D 487/10 (2013.01); C07D 207/277 (2013.01);
Abstract
The invention relates to a novel process for preparing Spiro derivatives, in particular 7-methyl-2-[4-methyl-6-[4-(trifluoromethyl)-phenyl]pyrimidin-2-yl]-1,7-diazaspiro[4.4]nonan-6-one, and to novel intermediates for use in said process along with processes for preparing said intermediates.