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. 29, 2011
Filed:
May. 21, 2007
Applicants:
Jens Bertil Ahman, Sandwich, GB;
Barry Richard Dillon, Sandwich, GB;
Alan John Pettman, Sandwich, GB;
Inventors:
Jens Bertil Ahman, Sandwich, GB;
Barry Richard Dillon, Sandwich, GB;
Alan John Pettman, Sandwich, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/20 (2006.01); C07D 311/58 (2006.01); C07C 215/54 (2006.01); C07C 213/02 (2006.01); C07C 219/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for producing a compound of formula (I), wherein Y is selected from the group consisting of CH, CHOH, CHCHOH, CHBr and Br; comprising the steps of: The above process may also be used in the production of tolterodine and fesoterodine, which are useful in the treatment of overactive bladder.