A series of porphyrin-based porous organic polymers (PPOPs) were synthesized in excellent yields via the Yamamoto−Ullmann couplings of tetrabromo spirobifluorene with several brominated porphyrin monomers. After isolation and demetalation, the metal-free PPOP can be postsynthetically metalated to form a Mn−PPOP that is catalytically active toward the selective double-epoxidation of divinylbenze...
