A novel route for the synthesis of polymer catenanes was demonstrated by (1) grafting an alkyne functionalized polymer to an azide functionalized phenanthroline copper(I) complex via CuAAC �click� reaction, and (2) ring closing via intra-molecular atom transfer radical coupling of the resulting four arm-type polymers with halide as an end group functionality. The metal free polymer catenanes was obtained by removal of copper from the template and characterized by reduced hydrodynamic volume in GPC and direct visualization by AFM. 

Synthesis of polymer catenanes via combination of “grafting to” approach by click method and atom transfer radical coupling

245th National Meeting (2013)

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