N-(Azido-PEG2)-N-bis(PEG4-Boc) is a polyethylene glycol (PEG)-based PROTAC linker, employed for the efficient synthesis of PROteolysis TArgeting Chimeras (PROTACs)[1].
N-(Azido-PEG2)-N-Boc-PEG4-acid is a polyethylene glycol (PEG)-based linker specifically designed for the synthesis of PROteolysis TArgeting Chimeras (PROTACs)[1].