Patent ID: 6495681
Filing Date: 2002-12-17
Classification: A61P,C07C,C07D

Abstract:
A compound of the formula:Lâ€”Xâ€”L or a pharmaceutically acceptable salt thereof; wherein:each L independently comprises a group of formula A: Arâ€”Wâ€”â€ƒâ€ƒ(A) â€ƒwherein: Ar represents an aryl, heterocyclyl or heteroaryl group; W is â€”NHâ€”C(O)â€”CR1R2â€” and R1 and R2 are independently hydrogen, allyl, substituted allkyl or a group â€”NRaRb, where Ra and Rb are both alkyl; X is an N-containing heterocyclic ring selected from the group consisting of: