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A simple synthesis of symmetric phthalocyanines and their respective perfluoro and transition‐metal complexes

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We report a simple synthesis protocol for making phthalocyanines (Pcs) starting from phthalonitriles. This method is general and requires no specialised equipment. The complexes are isolated and characterised using X‐ray… Click to show full abstract

We report a simple synthesis protocol for making phthalocyanines (Pcs) starting from phthalonitriles. This method is general and requires no specialised equipment. The complexes are isolated and characterised using X‐ray diffraction, NMR, FTIR and Raman spectroscopy and high‐resolution mass spectrometry. First, we study and present a one‐step synthesis route to a metal‐free Pc (H2PcH16), as well as to the corresponding MPcH16 complexes of Mn, Fe, Co, Ni, Cu and Zn. Then, we show that this route can also be used to make the fluorinated Pc analogues (MPcF16). Finally, we present a new and useful procedure for inserting a metal ion into a metal‐free H2PcH16 ring, by direct metalation, yielding the corresponding MPcH16 complex. This last method is especially useful if you want to make different MPcH16 complexes.

Keywords: synthesis symmetric; synthesis; metal; symmetric phthalocyanines; phthalocyanines respective; simple synthesis

Journal Title: Applied Organometallic Chemistry
Year Published: 2019

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