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Dicationic salts derived from linear and angular benzobisthiazole skeleton were prepared by methylation under microwave conditions. The following condensation with aromatic aldehydes afforded two-armed conjugated molecules, which represent quadrupolar systems. Monocationic angular derivatives were also prepared to study the differences in properties between the quadrupolar and dipolar structures....
A3B type unsymmetrical magnesium and zinc phthalocyanines with annelated thiazole ring connected to the triphenylamine moiety via ethylene bridge were designed and synthesized. Such tailored molecules showed the typical pattern for phthalocyanines (Soret and Q-band) in their electronic absorption spectra together with an absorption in the region 400–500 nm. According to the DFT calculations the latter...
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