A new and very convenient route to oxidized poly(ethylene glycol), with a catalytic nitroxyl radical oxidant (2,2,6,6‐tetramethyl‐1‐piperidinyl‐oxyl) regenerated in situ by stoichiometric amounts of [bis(acetoxy)‐iodo]benzene, is described. Under these conditions, the reaction is quantitative and leads to the pure product by a simple process such as precipitation and washing with diethyl ether.
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Masson et al. (2001) studied this question.
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