Summary.
Unsymmetrical metal-free and metalo-porphyrazines (M = Mg, Zn, Co) made up of three phthalonitrile units and a single maleonitrile moiety on the periphery were prepared by cyclization of bis(2-dimethylaminoethylthio)maleonitrile and phthalonitrile. The magnesium derivative (Mgpz) was converted into the quaternized product by reaction with methyl iodide. The new compounds were characterized by elemental analysis, IR, NMR, mass, and electronic spectra.
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Korkmaz, N., Hamuryudan, E. New Aminoethylsulfanyl-Substituted Tribenzoporphyrazines. Monatshefte für Chemie 135, 513–518 (2004). https://doi.org/10.1007/s00706-003-0146-6
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DOI: https://doi.org/10.1007/s00706-003-0146-6