The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Azaphthalocyanines: Red Fluorescent Probes for Cations, the main research direction is azaphthalocyanine red fluorescent indicator cation.Quality Control of 5,6-Dichloropyrazine-2,3-dicarbonitrile.
Chelation of sodium and potassium cations by aza[15]crown-5 switches on strong red fluorescence in azaphthalocyanines. This is due to an inhibition of ultrafast intramol. charge transfer by coordination of the cations to the donor center. Sodium cations fit well into a cavity of the recognition moiety, while potassium forms supramol. assemblies of azaphthalocyanines with 1:2 stoichiometry.
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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