ChemInform Abstract: Straightforward Hantzsch Four- and Three-Component Condensation in the Presence of Triphenyl(propyl-3-sulfonyl)phosphoniumtrifluoromethanesulfonate {[TPPSP]OTf} as a Reusable and Green Mild Ionic Liquid Catalyst.
The title reactions provide quinoline and acridine derivatives, resp., in excellent yields and are advantageous with regards to mild conditions, operational simplicity, and short reaction times.