Selenium borohydride reaction as a versatile platform for the straightforward preparation of selenide-containing topological polymers†
Abstract
A method for preparing selenide-containing polymers with desired topologies is established based on the reaction of a selenide-functionalized exchange resin with end-functionalized polymers that shows advantages such as wide structural feasibility, mild conditions, high efficiency and good recyclability. Polymers prepared through reversible-deactivation radical polymerization, e.g., atom-transfer radical polymerization and reversible addition–fragmentation chain transfer polymerization, could be used as precursors, enabling the production of polymers with diverse tailor-made architectures. Different types of polymer precursors, such as poly(styrene), poly(acrylate), poly(vinyl acetate) and poly(N-vinyl-2-pyrrolidone) were successfully used to efficiently prepare well-defined selenide-containing polymers, which verified the versatility of the current method. Furthermore, selenide-containing polymers with complex topologies, such as cyclic and fused-cyclic, were also conveniently fabricated using polymer precursors with specific architectures, such as mono-, di- or tetratelechelic polymers.
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