The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 123-06-8, Name is Ethoxymethylenemalononitrile, SMILES is N#C/C(C#N)=C/OCC, in an article , author is Raouafi, Sondes, once mentioned of 123-06-8, Recommanded Product: Ethoxymethylenemalononitrile.
Novel bis-nitrile grafted [6]Helicenes through a photochemical pathway: Chiroptical and photophysical properties
New suitably nitrile grafted [6]Helicene derivatives have been synthesized, in 36%-54% over all yields, through a UV-light photochemical pathway making use of inexpensive materials and mild experimental conditions. The target hexacylic helicenes have been characterized by H-1 and C-13 NMR and FT-IR spectroscopies. The enantiomeric separation of these helical compounds was accomplished by chiral HPLC leading to (P)- and (M)-enantiomers with high optical purity (94.3-100% ee) demonstrating a large optical rotatory dispersion and significant electronic circular dichroism (ECD) signals. UV-vis absorption and photoluminescence of these helical compounds have been evaluated showing a notable behavior and a strong fluorescence in the blue region of the visible spectrum making them promising candidates for applications in electronic and optoelectronic devices. Their electrochemical behavior was also experimentally examined revealing an important charge transfer interaction owing to their p-conjugated electronic system. These helicenes were found to be potential donor materials for polymer solar cells, with broad electrochemical band gap in the range of 2.63-2.80 eV. (C) 2020 Elsevier B.V. All rights reserved.
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