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Sidechain engineering of N-annulated perylene diimide molecules†
Mark Martell,Michael U. Ocheje,Benjamin S. Gelfand,Simon Rondeau-Gagné,Gregory C. Welch
New Journal of Chemistry Pub Date : 10/28/2021 00:00:00 , DOI:10.1039/D1NJ04423K
Abstract

The synthesis and characterization of six new N-annulated perylene diimide (N-PDI) molecules consisting of different alkyl-based heteroatom and waxy infused sidechains is reported. Amino, urea, quaternary methyl ammonium, iminopyridine, hexadecyl and pyridine moieties were all appended to the pyrrolic N-position of N-annulated PDI. These N-PDI derivatives have been synthesized using facile SN2 chemistry resulting in high yields and without the need for purification via column chromatography. To further demonstrate the functional diversification offered by N-PDI we appended a cyano group to the 6,7-bay positions opposite the N-annulation site and tested utility in organic field effect transistor devices. Complete characterization of these N-PDI derivatives was completed using UV-Vis spectroscopy, cyclic voltammetry and solubility determination to observe how the appended sidechains affect structure–properties relationships.

Graphical abstract: Sidechain engineering of N-annulated perylene diimide molecules
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