Fig. 5: The self-assembly of a chiral cage 33S6 that was transformed into 32R2S2 upon addition of (R,R)-CHDA.
From: The sharp structural switch of covalent cages mediated by subtle variation of directing groups

(A) Structural formula of the cage 33S6, by condensing a 2:1 mixture of (S,S)-CHDA and 3. Upon addition of (R,R)-CHDA, 33S6 is converted into 32R2S2. (B) Partial 1H NMR spectrum (600 MHz, CDCl3, 298 K) of 33S6. Some of the key resonances are labeled, which were assigned based on the corresponding two-dimensional NMR spectra shown in the Supplementary Figs. 60 and 61. The full spectrum is shown in the Supplementary Fig. 58.