Patent ID: 8192743
Filing Date: 2012-06-05
Classification: A61K,A61P,C07D,C07H

Abstract:
1. A compound comprising Formula (I): wherein: R Z and Z′ are the same or different and are independently selected from the group consisting of hydrophobic moieties, bifunctional linking moieties,  wherein L Y L R L A and A′ may be the same or different and are independently selected from the group consisting of alkyl groups, leaving groups, functional groups, diagnostic agents, targeting moieties, biologically active moieties, and OH; a, g, and e are the same or different and are independently 0 or a positive integer from 1 to 5; b, c, d and d′ are the same or different and are independently 0 or 1, and m, n, o, and p are the same or different and are independently a positive integer from 1 to 6, provided that (a+e) is equal to or greater than 1, wherein weight average molecular weight of polyethylene glycol is about 40,000 Da.