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. 11, 2007
Filed:
Sep. 29, 2003
Applicants:
Michael Butters, Bristol, GB;
Paul Schofield, Macclesfield, GB;
Andrew Stocker, Macclesfield, GB;
Inventors:
Assignee:
AstraZeneca AB, Sodertalje, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 495/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Novel Process and Intermediates. A process for preparing a compound of formula (I) where Rand Rare as defined in the specification; and Ris hydrogen or a protecting group, which process comprises cyclisation of a compound of formula (II) where Rand Rand Rare as defined in relation to formula (I), and Ris nitrogen protecting group, and removing the group R, and thereafter if desired, removing any protecting group R. Novel intermediates and the use of these in the formation of pharmaceutical compounds is also described and claimed