Nanostructured, solid-state organic, chiral Diels-Alder catalysts via acid-induced liquid crystal assembly

The preparation of nanostructured, solid-state organic, chiral Diels-Alder catalysts, via acid-induced liquid crystal assembly, is discussed. Depending on the type and amount of acid (HX) used, different nanoporous geometries can be accessed, which is a unique feature compared to conventional catalyst supports. The active form of catalyst is the protonated amine salt and thus, ideal for serving as a hydrophilic lyotropic crystal (LLC) headgroup. The solid LLC catalysts can also be recovered and reused without significant loss of cavity or stereoselectivity.