A “Perturbed [16]annulene”—this is one way to view the much discussed dipleiadiene, 1, which has finally been obtained in the course of an investigation having an entirely different goal. Although 1 is formally a naphthalene that is peri-bridged by butadiene structural units, it exhibits pronounced paratropism.
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Vogel et al. (1985) studied this question.
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