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This review focuses on obtaining embedded azulene polycyclic molecules treated according to their particular structure. The division of material into the azulene unit grafted only on one or two bonds and poly-fused azulene compounds was suggested with the intention of facilitating the presentation and assimilation of information. The similarity of some structural features in the compounds included in different analyzed classes results in the presence of the same synthesis protocol in several places. Obtaining benzaazulenes, azulene-fused acenes, and helicenes or azulene-embedded nanographene, along with other compounds, is presented.
Alexandru C. Razus (Fri,) studied this question.