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Directed synthesis of bi- and polynuclear clamshell-type phthalocyanines and their physico-chemical investigations

    https://doi.org/10.1142/S108842461250037XCited by:17 (Source: Crossref)

    Novel bi-, tri- and tetranuclear butyl- and tert-butyl-substituted clamshell-type phthalocyanines were synthesized starting from 2-hydroxyphthalocyanines with quantitative yields. The structures of the obtained compounds were characterized by a complex of NMR spectroscopy and mass spectrometry techniques. Applying electronic absorption spectroscopy (UV-vis) and density functional theory (DFT) showed the complicated conformation equilibria for the spacer-bonded macrocyclic compounds and led us to estimate their behavior dependent on the number and relative orientation of macrocycles.

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