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. 2025 Jun 4;147(24):20843–20854. doi: 10.1021/jacs.5c04512

2. Binding Constant Values (K ass, M–1) Determined by NMR Experiments (SI) and Chiral Selectivity Ratio Calculated by HR-MS Spectrometry Experiments.

guest Kass G+@ PrS[4] iPe chiral selectivity R L/R D
6 2+ 1900 2.01
7 + 40,000 1.22
8 + 290 0.94
9 + 690 0.70
a

Calculated by integrating the free and complexed 1H NMR signals of the host.

b

Calculated using a 1H NMR competition experiment with methoxy-prism[5]­arene as a competitive host.