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Tetrathiafluvalene (TTF)-annulated symmetrical and unsymmetrical phthalocyanines (4), (5), and (6) were prepared from 3,6-dioctylphthalonitrile (1) with a TTF unit, 4,5-dioctyloxyphthalonitrile (2), and 3,6-dioctyloxyphthalonitrile (3). Tetra-TTF-annulated phthalocyanine (4) and iodine produced an electron transfer complex which showed a radical cationic character.
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