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:
Nov. 20, 2018
Filed:
Feb. 26, 2018
Applicant:
Boehringer Ingelheim International Gmbh, Ingelheim am Rhein, DE;
Inventors:
Xiangle Jin, Shanghai, CN;
Weitong Dong, Shanghai, CN;
Yan Fu, Shanghai, CN;
Jun Lu, Shanghai, CN;
Le Xie, Shanghai, CN;
Wei Xu, Shanghai, CN;
Jinsong Yang, Shanghai, CN;
Qian Zhu, Shanghai, CN;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/608 (2006.01); C07C 45/54 (2006.01); C07C 45/67 (2006.01); C07C 59/205 (2006.01); C07C 67/347 (2006.01); C07C 69/716 (2006.01); C07C 69/757 (2006.01);
U.S. Cl.
CPC ...
C07C 69/608 (2013.01); C07C 45/54 (2013.01); C07C 45/673 (2013.01); C07C 59/205 (2013.01); C07C 67/347 (2013.01); C07C 69/716 (2013.01); C07C 69/757 (2013.01); C07C 2601/02 (2017.05); C07C 2601/04 (2017.05); C07C 2602/50 (2017.05);
Abstract
This invention relates to methods for the synthesis of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione which are useful as intermediates in the manufacture of pharmaceutically active ingredients.