Kinetic enantio-recognition of chiral viologen guests by planar-chiral porphyrin cages

The kinetic enantio-recognition of chiral viologen guests by planar-chiral porphyrin cage compounds, measured in terms of ΔΔ G ‡ on , is determined by the planar-chirality of the host and influenced by the size, as measured by ion mobility-mass spectrometry, but not the chirality of its substituents. The enantio-kinetic threading of chiral guests by chiral porphyrin hosts is determined by the planar chirality of the host and influenced by the size but not the chirality of the substituent X.