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Hatlike tribenzotriquinacenes 1 that bear six identical functional groups at the peripheral positions of the benzene nuclei were synthesized as starting materials for the construction of convex–concave organic networks and other three-dimensional molecular frameworks. X=NO2, NH2, Br, I, SnBu, Ph, CCPh.
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Tellenbröker et al. (1999) studied this question.
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