Abstract
AbstractA method for the sequential fullerenylation of bis‐malonates with parent C60 and C2v‐symmetric pentakis‐adducts is reported. This approach relies on the finding that (a) chloromalonates can be used for the nucleophilic cyclopropanation of [6,6] double bonds of C60, and (b) chloromalonates, in contrast to bromomalonates, do not undergo base‐catalyzed halogen exchange reactions. For the proof of concept, we synthesized a heptafullerene by using a divergent approach based on a fullerene hexakis‐adduct with six bis‐malonate addends in octahedral positions, each of which is suitable for an additional cyclopropanation of a fullerene building block.
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