(opens in new window) Buy Article (opens in new window) Permissions and Reprints (opens in new window) All articles of this category (opens in new window) The condensation of 2,3-dicyano-5,6-diethoxycarbonylpyrazine with a metal salt affords tetra-2,3-(5,6-diethoxycarbonylpyrazino)porphyrazine, which upon mild hydrolysis yields novel water-soluble metal complexes of tetra-2,3-(5,6-dicarboxypyrazino)porphyrazine. These octaaza analogs of phthalocyanine have potential applications in the field of photodynamic therapy of cancer.
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Kudrevich et al. (1994) studied this question.
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