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:
Mar. 05, 2013
Filed:
Jul. 27, 2011
Applicant:
Paul S Bury, Burnley, GB;
Inventor:
Paul S Bury, Burnley, GB;
Assignee:
BTG International Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compound of formula (I) or a pharmaceutically-acceptable salt thereof, may be made by a process including a triflating step by which a ketone of formula (II) is converted into a triflate of formula (III) in the presence of a base comprising a tertiary or heterocyclic amine such that the pKof the conjugate acid at 25° C. is within the range 5.21 to 12.