Summary.
Unsymmetrical porphyrazines bearing a single peripheral bis(hydroxyethylthio) moiety were synthesised by mixed condensation of bis(2-hydroxyethylthio)maleonitrile and phthalonitrile. Complexation of the thioether groups of metal-free porphyrazine with PdCl2 further lowered the intensity of the Q-band absorption of the porphyrazine core. The new compounds were characterised by elemental analyses, IR, 1H NMR, UV-Vis, and mass spectra.
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Kalkan, A., Bayir, Z. Synthesis and Characterisation of Unsymmetrical Porphyrazines Containing Bis(hydroxyethylthio) Substituents . Monatshefte für Chemie 134, 1555–1560 (2003). https://doi.org/10.1007/s00706-003-0074-5
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DOI: https://doi.org/10.1007/s00706-003-0074-5