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:
May. 31, 2005
Filed:
Nov. 22, 2001
Mark Stuart Chambers, Puckeridge, GB;
Philip Jones, Pomezia, IT;
Angus Murray Macleod, Bishops Stortford, GB;
Robert James Maxey, Amersham, GB;
Helen Jane Szekeres, Roydon, GB;
Mark Stuart Chambers, Puckeridge, GB;
Philip Jones, Pomezia, IT;
Angus Murray MacLeod, Bishops Stortford, GB;
Robert James Maxey, Amersham, GB;
Helen Jane Szekeres, Roydon, GB;
Merck sharp & Dohme Ltd., Hoddesdon, unknown;
Abstract
The present invention provides a compound of formula (I) wherein A is an optionally substituted Calkylidene group or a bond, Rand Rare hydrogen, alkyl groups or heterocyclic groups, Rand Rare small substituents or hydrogen, L is O, S or substituted N, X is a 5- or 6-membered heteroaromatic ring, Y is Calkylidene and Z is a 5- or 6-membered heteroaromatic ring; or a pharmaceutically acceptable salt thereof; pharmaceutical compositions comprising it; its use in therapy; its use in making medicaments for treating neurodegenerative disease and methods of using it to enhance cognition.