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Several titanium phthalocyanines tetra- and octa-substituted with dimethylaminoethylsulfanyl groups on peripheral positions have been synthesized and characterized. These phthalocyanines were converted into water-soluble quaternized products by reaction with methyl iodide. The capping of the titanyl (metaloxo) inner core with catechol and 2,3-dihydroxynaphthalene and complexation of peripheral donor...
Phthalocyanines with four or eight hexylthio-substituents on the periphery were prepared by cyclotetramerization of 4-hexylthio-1,2-dicyanobenzene and 4,5-bis(hexylthio)-1,2-dicyanobenzene. The new compounds were characterized by elemental analyses, 1 H NMR, IR and UV–VIS spectral data. The electronic spectra exhibit intense Q band near-IR region at 720nm for the tetrahexylthio-substituted...
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