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Synthesis 1997; 1997(1): 95-100
DOI: 10.1055/s-1997-1495
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Synthesis of Hexadecaalkoxy-Substituted Nickel and Iron Phthalocyanines

Wolfgang Eberhardt, Michael Hanack*
  • *Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany, Fax +49(7071)295244; E-mail: hanack@uni-tuebingen.de
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Publication Date:
31 December 2000 (online)

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Transition metal phthalocyanines 3 a-g, 4e, f and 5 e, g substituted with sixteen alkoxy groups and various chain lengths were synthesized from the corresponding tetraalkoxyphthalodinitriles and characterized by spectroscopic methods. In the UV/vis spectra of the hexadecaalkoxy-substituted phthalocyanines a bathochromic shift of the Q band up to ca. 80 nm relative to the unsubstituted phthalocyanines war observed. All described phthalocyanines 3 a-g, 4e, f and 5 e, g exhibit excellent solubility in organic solvents.

hexadecaalkoxy-substituted phthalocyanines - tetraalkoxyphthalodinitriles - high solubility - low melting point - UV/vis spectra - NMR spectra