fig4
From: Chiral cage materials with tailored functionalities for enantioselective recognition and separation
Figure 4. (A) Synthetic route to organic cages by using helicene derivatives as building blocks; (B) crystal structures of organic cages M,M,M-C4 and P,P,P-C4 and schematic representations of M,M,M-C4 and P,P,P-C4 illustrating the D3 symmetry and the triple-stranded helical structure and (C) data of chiral adsorption experiments.
