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在含硫酸铜的酸性水溶液中,用氯酸钠作氧化剂,氧化喹啉得到2,3-吡啶二甲酸,产率为56·4%;以硫酸铜为催化剂,用浓硝酸在高温氧化异喹啉得到3,4-吡啶二甲酸,产率为71·4%,并讨论了影响合成的因素。在钼酸铵存在下,采用固相烘焙法,2,3-吡啶二甲酸和3,4-吡啶二甲酸分别与尿素和氯化亚铜作用得到了氮杂铜酞菁。实验发现,以3,4-吡啶二甲酸合成的氮杂铜酞菁在吡啶中具有较大的溶解度,最大吸收波长为673nm。
In acidic aqueous solution containing copper sulfate, sodium chlorate as oxidant, quinoline oxidation to give 2,3-pyridinedicarboxylic acid, the yield was 56.4%; with copper sulfate as a catalyst, with concentrated nitric acid at high temperature oxidation Quiso The yield of 3,4-pyridinedicarboxylic acid was 71.4%, and the factors affecting the synthesis were discussed. In the presence of ammonium molybdate, aza copper phthalocyanine was obtained by the solid-phase baking method with 2,3-pyridinedicarboxylic acid and 3,4-pyridinedicarboxylic acid acting respectively on urea and cuprous chloride. It was found that the aza copper phthalocyanine synthesized from 3,4-pyridinedicarboxylic acid has a great solubility in pyridine with a maximum absorption wavelength of 673 nm.