Transition-metal-free controlled polymerization for poly(p-aryleneethynylene)s†
†Electronic supplementary information (ESI) available: Experimental details and characterizations of new compounds and polymers. See DOI: 10.1039/c4sc02872d
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A transition-metal-free controlled polymerization for the attainment of poly(p-aryleneethynylene)s is developed. The polymerization of 1-pentafluorophenyl-4-[(trimethylsilyl)ethynyl]benzene with a catalytic amount of fluoride anions proceeds in a chain-growth-like manner to afford polymers with controlled molecular weights and low polydispersity indexes… (More)