Potassium fluoride: A convenient, non-covalent support for the immobilization of organocatalysts through strong hydrogen bonds

Potassium fluoride has been studied as a non-covalent support for the immobilization through strong hydrogen bond (SHB) of a carboxylic acid containing a chiral pyrrolidine substituent. The resulting system (KF-supCAT) catalyzes the highly diastereo- and enantioselective Michael addition of carbonyl compounds to trans-β-nitrostyrenes, being easily recovered and reused