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:
Dec. 15, 2015
Filed:
Jul. 29, 2014
Applicants:
Torsten Busch, Frankfurt am Main, DE;
Sven Anklam, Kelkheim, DE;
Joerg Jung, Floersheim, DE;
Markus Ostermeier, Biberach an der Riss, DE;
Inventors:
Torsten Busch, Frankfurt am Main, DE;
Sven Anklam, Kelkheim, DE;
Joerg Jung, Floersheim, DE;
Markus Ostermeier, Biberach an der Riss, DE;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/96 (2006.01); C07C 45/65 (2006.01); C07C 67/08 (2006.01); C07C 67/30 (2006.01); C07C 67/343 (2006.01); C07C 259/06 (2006.01); C07C 69/608 (2006.01); C07C 69/716 (2006.01); C07C 45/45 (2006.01); C07C 51/08 (2006.01); C07C 51/083 (2006.01); C07C 49/443 (2006.01); C07C 59/205 (2006.01); C07C 69/635 (2006.01);
U.S. Cl.
CPC ...
C07C 45/65 (2013.01); C07C 45/455 (2013.01); C07C 49/443 (2013.01); C07C 51/08 (2013.01); C07C 51/083 (2013.01); C07C 59/205 (2013.01); C07C 67/08 (2013.01); C07C 67/30 (2013.01); C07C 67/343 (2013.01); C07C 69/608 (2013.01); C07C 69/635 (2013.01); C07C 69/716 (2013.01); C07C 259/06 (2013.01); C07D 311/96 (2013.01); C07C 2101/02 (2013.01); C07C 2102/50 (2013.01);
Abstract
Disclosed is a method for the synthesis of spiro[2.5]octane-5,7-dione useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed are novel intermediates used in the synthesis of this compound.