An Efficient Route to Well-Defined Macrocyclic Polymers via “Click” Cyclization

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Abstract
Polystyrene macrocycles have been prepared from ATRP precursors by modification of the terminal bromide to an azide, followed by “click” cyclization with a pendant alkyne from the initiator. This route offers exceptional control over the size and polydispersity of the macrocyclic polymers, as well as providing tolerance to a number of functional groups.

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