3,4-Dibromo-Mal-PEG8-amide-DBCO serves as a unique PEG linker comprised of a dibromomaleimide group that allows for two points of attachment because both the bromine atoms can be substituted. The DBCO group is commonly used for copper-free Click Chemistry reactions with azides due to its strain-promoted high energy. PEG linkers are hydrophilic moieties; therefore, the attachment of a PEG linker to a compound increases its water solubility properties in aqueous media.
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