A carbonyl-reactive building block containing a 4-unit polyethylene glycol (PEG4) spacer arm.
Alkyne-PEG4-Amine is a polyethylene glycol-containing reagent with terminal primary amines (–NH2) that can be reacted with carbonyl groups in the presence of activators (e.g. EDC, or DCC) or with activated esters (e.g. NHS esters) forming a stable amide bond.
DMF, DMSO, DCM, THF, Chloroform
Colourless to slightly yellow oil