An Efficient Synthesis of Ring‐Opening Metathesis Monomers and Polymers Containing Carbazole and Other Electron‐Rich Moieties

An efficient synthesis of ring‐opening metathesis monomers and polymers containing ionizable moieties such as N‐carbazolyl, 2‐dibenzofuranyl, 2‐dibenzothiophenyl, and 4‐anisyl functionalities has been developed, using cation radical Diels‐Alder cycloaddition chemistry to generate the appropriate norbornene‐type monomers.