As shown in our paper by optic spectroscopy technique, aromatic azulene undergoes in acidic-water solutions not only the reversible proton attachment to be as azulene cation but also un-reversible acid catalyzed polymerization resulting in black color product. The kinetics of un-reversible reaction indicates the supramolecular dimer C 20H 16 as the ground state of azulene but not the molecule C 10H 8.
азулен, супрамолекулярные димеры, кислотно-каталитическая полимеризация, azulene, supramolecular dimers, acid catalyzed polymerization
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