N-(Azide-PEG8)-N-bis(PEG8-NH-Boc) is a trifunctional chemical reagent with two Boc-protected amines and one azide. The azide is often applied in click chemistry to react with terminal alkynes or strained cyclooctynes like DBCO and BCN. The Boc protecting groups can be removed to allow for the primary amines to react with carboxylic acids in the presence of activators (ex. EDC, HATU) to form amides.
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