Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, ChemistrySelect called Structure-Catalytic Activity in a Series of Push-Pull Dicyanopyrazine/Dicyanoimidazole Photoredox Catalysts, Author is Hlouskova, Zuzana; Tydlitat, Jiri; Kong, Manman; Pytela, Oldrich; Mikysek, Tomas; Klikar, Milan; Almonasy, Numan; Dvorak, Miroslav; Jiang, Zhiyong; Ruzicka, Ales; Bures, Filip, which mentions a compound: 56413-95-7, SMILESS is N#CC1=NC(Cl)=C(Cl)N=C1C#N, Molecular C6Cl2N4, COA of Formula: C6Cl2N4.
A series of dicyanopyrazine and dicyanoimidazole derived push-pull mols. have been prepared and further investigated as photoredox catalysts. The fundamental properties of the catalysts were studied by DSC, X-ray anal., absorption/emission spectra, and electrochem. and were completed with the DFT results. The catalytic activity has been evaluated in visible light induced α-functionalization of amines (cross-dehydrogenative coupling and annulation reaction of tetrahydroisoquinolines). Thorough structure-property-catalytic activity relationships were elucidated. The developed series of tailored organic photoredox catalysts allows synthetic chemists to perform desired reactions under sustainable and mild conditions employing solely visible light as a source of energy.
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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