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Tetraazaporfiriny

Tetraazaporfiriny represent porfiriny with four

Atoms of nitrogen instead of meso-carbon bridges. The most studied linkings of this number are ftalotsianiny and naftalotsianiny (drawing 4).

Drawing 4.

Chemical structure ftalotsianinov () and naftalotsianinov ()

Ftalotsianiny have four benzolnyh the rings, interfaced to a macrocycle. For them presence of two absorption bands — in short-wave (strip Cope, 300-350 nanometers) and the long-wave (a Q-strip, 650-670 nanometers) spectrum fields is characteristic. The considerable quantity ftalotsianinov with various assistants and metal ions (zinc, aluminium, silicon) in a macrocycle [17] is known. It is shown, that metal introduction in a macrocycle increments photodynamic activity ftalotsianinov [24, 256].

Serious difficulty by operation with ftalotsianinami is related to their high water-repellent property and ability to aggregation. For miscibility pinch in water gain sulfirovannye metallokompleksy ftalotsianinov. However thus the preparation represents an intermixture of the linkings differing both quantity, and a standing sulfogrupp in a macrocycle. The degree sulfirovanija strongly influences biological activity. It is shown, that for an aluminium complex ftalotsianina activity increases among: AlФцS4

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A source: Shiljagina Natalia Jurevna. EXAMINATION TETRAARILTETRATSIANOPORFIRAZINOV As POTENTIAL PHOTOSENSITIZERS FOR PHOTODYNAMIC THERAPY And FLUORESCENT DIAGNOSTICS. 2014

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