ニッケル-フタロシアニン窒素同構体 (ニッケル-テトラ-2, 3-ピリジノポルフィラジンおよびニッケル-テトラ-3, 4-ピリジノポルフィラジン) について : アザ化合物に関する研究 (第31報)

概要

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By extending the Wylers method for the synthesis of copper phthalocyanine to quinolinic and cinchomeronic acids, two nickel-phthalocyanine-N-isologs, nickel-tetra-2, 3-pyridinoporphyrazine and nickel-tetra-3, 4-pyridinoporphyrazine, were synthesized. Their visible and infra-red absorption spectra were obtained and their properties as organic pigments as well as vat dyes evaluated. The crystal form of nickel-phthalocyanine-<I>N</I>-isolog remained unchanged when treated with aromatic solvents.