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:
Sep. 06, 2022
Filed:
Aug. 02, 2018
Applicant:
Vertex Pharmaceuticals Incorporated, Boston, MA (US);
Inventors:
Paul T. Angell, Carlsbad, CA (US);
Robert M. Hughes, San Diego, CA (US);
Berenice Lewandowski, Braintree, MA (US);
Benjamin J. Littler, Carlsbad, CA (US);
William A. Nugent, Noblesville, IN (US);
David Smith, Newton, MA (US);
John Studley, Witney, GB;
Assignee:
Vertex Pharmaceuticals Incorporated, Boston, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 207/06 (2006.01);
U.S. Cl.
CPC ...
C07D 207/06 (2013.01);
Abstract
Processes for preparing 5,5-dimethyl-3-methylenepyrrolidin-2-one, (S)-3,5,5-trimethylpyrrolidine-2-one, (R)-3,5,5-trimethylpyrrolidine-2-one, (S)-2,4,4-trimethylpyrrolidine, and (R)-2,4,4-trimethylpyrrolidine, and their salt forms are disclosed.