New Advances in Chemical Research, May 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis.3446-89-7, Name is 4-(Methylthio)benzaldehyde, molecular formula is C8H8OS, belongs to pyrrolines compound, is a common compound. In a patnet, author is Roth, Steven D., once mentioned the new application about 3446-89-7, HPLC of Formula: https://www.ambeed.com/products/3446-89-7.html.
Intermolecularly hydrogen-bonded dimeric helices: tripyrrindiones
A rare and unusual class of tripyrrolic compounds, violet-colored tripyrrin-1,14-diones, can be prepared easily and in moderately high yields from base (piperidine)-catalyzed condensation of 3-pyrrolin-2-ones with 2,5-diformylpyrroles. Dipyrrinones adopt the all-syn-Z conformation leading to helical, lock-washer like structures, which form dimers that are held together by intermolecular hydrogen bonds in nonpolar solvents and in the crystal. Strong bathochromic spectral shifts of the tripyrrindione similar to 480 nm long wavelength UV-visible absorption band are seen with added base: DBU, 615 nm; TFA, 573 nm; and Zn(OAc)(2), 586 nm. (c) 2007 Elsevier Ltd. All rights reserved.
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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem