Polymeric reagents comprising a ketone or a related...

C - Chemistry – Metallurgy – 08 – G

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C08G 65/333 (2006.01) A61K 47/48 (2006.01) C08G 65/331 (2006.01)

Patent

CA 2509248

Polymeric reagents comprising a polymer sucg as PEG 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.

L'invention concerne des réactifs polymères comprenant un polymère relié, soit directement, soit par l'intermédiaire d'un ou de plusieurs atomes, à une cétone ou à un groupe fonctionnel apparenté, tel que cétone hydratée, thione, monothiohydrate, dithiohydrate, hémicétal, monothiohémicétal, dithiohémicétal, cétal ou dithiocétal. Les réactifs polymères sont utilisés plus particulièrement pour la formation de conjugués polymères-agents actifs. L'invention concerne également des procédés, compositions, préparations se rapportant aux composés précités.

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