Allyl-PEG-Allyl

Discrete poly(ethylene glycol) diallyl ether (Allyl-PEG-Allyl) is a homobifunctional precision PEG derivative with a defined chain length. Both ends bear allyl ether groups. Discrete chain lengths with different degrees of polymerization are available. The allyl group can participate in thiol–ene reactions or suitable alkene transformations, providing a conjugation handle for thiol-containing modules. Identical reactive sites at both ends support molecular bridging or derivatization on both sides. The conjugation scheme can be designed around the number of target sites.

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