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:
Apr. 01, 2008
Filed:
Oct. 18, 2006
Robert Gordon Giles, Tonbridge, GB;
Norman John Lewis, Tunbridge Wells, GB;
John Kirby Quick, Crowborough, GB;
Robert Gordon Giles, Tonbridge, GB;
Norman John Lewis, Tunbridge Wells, GB;
John Kirby Quick, Crowborough, GB;
SmithKline Beecham p.l.c., Brentford, Middlesex, GB;
Abstract
A process for preparing a compound of formula (I): or a tautomeric form thereof or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: wherein A, R, Aand n are as defined in relation to formula (I), characterised in that the reduction reaction is carried out using a hydrogen pressure above 20 psi; and thereafter if required forming a pharmaceutically acceptable salt and/or a pharmaceutically acceptable solvate of the compound of formula (I).