Soluble and Columnar Liquid Crystalline Peropyrenequinones by Coupling of Phenalenones in Caesium Hydroxide
作者:Noémie Buffet、Éric Grelet、Harald Bock
DOI:10.1002/chem.201000542
日期:2010.5.17
Shades of violet: The nitrogen‐free homologues of perylene tetracarboxylic diimide dyes have been prepared. CsOH succeeds where KOH fails to couple sterically demanding hydroxyphenalenones into the esterifiable precursors of π‐stacking long‐wavelength absorbing disks (see figure).