Enantioselective supramolecular devices in the gas phase. Resorcin[4]arene as a model system

• Caterina Fraschetti,
• Matthias C. Letzel,
• Antonello Filippi,
• Maurizio Speranza and
• Jochen Mattay

Beilstein J. Org. Chem. 2012, 8, 539–550, doi:10.3762/bjoc.8.62

• counterion effects. Keywords: diastereomeric complexes; gas phase enantioselectivity; kinetics; mass spectrometry; resorcin[4]arene receptor; Review Enzymes are macromolecular assemblies that make up the machinery whose structures and dynamics enable and support life functions. They are invariably

• mainly involved is hydrogen bonding occurring on the external surface of the resorcin[4]arene. These preliminary results motivated the gas-phase enantioselectivity study reported in [43], in which the guest displacement between proton-bound diastereomeric [M∙H∙G]+ (M: I–IV; G = 1–3) complexes and (R