Bromoacetamido-PEG12-t-butyl ester is a PEG linker with a bromo group that is a good leaving group for nucleophilic substitution reactions and a t-butyl group that can be deprotected under acidic conditions. It may also be used to prepare more complex lipids for nanoparticles for drug delivery. The PEG12 linker increases the aqueous solubility of the compound.
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