So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Zimcik, Petr; Miletin, Miroslav; Ponec, Jan; Kostka, Miroslav; Fiedler, Zdenek researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).Application In Synthesis of 5,6-Dichloropyrazine-2,3-dicarbonitrile.They published the article 《Synthesis and studies on photodynamic activity of new water-soluble azaphthalocyanines》 about this compound( cas:56413-95-7 ) in Journal of Photochemistry and Photobiology, A: Chemistry. Keywords: photodynamic activity water soluble azaphthalocyanine derivative; photosensitized photooxidation phenylisobenzofurane azaphthalocyanine derivative singlet oxygen generation. We’ll tell you more about this compound (cas:56413-95-7).
Aza analogs of phthalocyanines (AzaPc’s) bearing four long chains with carboxy groups at the end and four “”bulky”” diethylamino groups on periphery were synthesized and characterized. Their sodium salts are very soluble in water. The first studies on photodynamic activity of this tetrapyrazinoporphyrazines (a type of AzaPc) are presented. The dye-sensitized photooxidation of 1,3-diphenylisobenzofurane via 1O2 was studied in pyridine. Their photodynamic activity in vitro was not detected due to the aggregation behavior of these compounds in water.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate