Fig. 49. Saito and co-workers co-conformationally mechanically planar chiral rotaxane 100 as a stereodynamic probe for ring shuttling.116 CSP-HPLC analysis of the racemisation of enantiopure 100 in (CHCl2)2 at 413 K. R = 4-C6H4(cyclohexyl). R′ = (CH2)5C(4-C6H4(4-C6H4(cyclohexyl)))3. Highest priority atoms in each component are highlighted in black. Reprinted from ref. 116. Copyright 2016 American Chemical Society.
