tert-Butyl 3-(2-(2-(2-iodoethoxy)ethoxy)ethoxy)propanoate serves as a PEG linker comprised of an iodine group and a t-butyl ester. The iodine (I) acts as a very good leaving group for nucleophilic substitution reactions. The t-butyl ester groups can be deprotected under acidic conditions. Reagent grade, for research use only.
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