Synthesis and Preliminary Characterization of a PPE-Type Polymer Containing Substituted Fullerenes and Transition Metal Ligation Sites

Scheme 2

Synthesis of polymer repeat 2. Reaction conditions: (a) palladium catalyst, CuI, Et₃N, toluene, and TMS acetylene; (b) THF, NaOH, and MeOH; (c) palladium catalyst, CuI, Et₃N, 1, and toluene.