Polymeric reagents comprising a polymer attached, either directly or through one or more atoms, to a ketone or a related functional group such as ketone hydrate, thione, monothiohydrate, dithiohydrate, hemiketal, monothiohemiketal, dithiohemiketal, ketal, or dithioketal are provided. The polymeric reagents are useful for, among other things, forming polymer-active agent conjugates. Related methods, compositions, preparations, and so forth are also provided.
提供了聚合物试剂,包括直接或通过一个或多个原子连接到酮或相关的功能基团,如酮
水合物、
硫醇、单
硫醇
水合物、双
硫醇
水合物、
半缩醛、单
硫半缩醛、双
硫半缩醛、
缩醛或双
硫缩醛。这些聚合物试剂可用于形成聚合物活性剂共轭物。还提供了相关的方法、组合物、制备等。