Reference of 5,6-Dichloropyrazine-2,3-dicarbonitrile. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Synthesis and comparison of photodynamic activity of alkylheteroatom substituted azaphthalocyanines. Author is Zimcik, Petr; Miletin, Miroslav; Kostka, Miroslav; Schwarz, Jan; Musil, Zbynek; Kopecky, Kamil.
Optimal reaction conditions were developed for synthesis of octakis(butylamino), octakis(butylsulfanyl) and octakis(butoxy) azaphthalocyanines (AzaPc’s) with central metal Mg, Zn and metal-free. Their photodynamic activity was measured and compared as a dye-sensitized photooxidation of 1,3-diphenylisobenzofuran (DPBF). Compounds with alkylamino substituent are very poor producers of the singlet oxygen and therefore not suitable as sensitizers for photodynamic therapy (PDT). On the other hand, compounds with alkylsulfanyl and alkoxy substituents possess very good photodynamic activity and are suitable for PDT.
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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