Control of Chiral Assemblies Through Hydrogen Bondings for Helical Architectures - Molecular Self-Assembly: Advances and Applications - page 81

O2

O1

N1 O2

N1 O1

O3

N2

O3

N2

N3

N3

N4

N4

(a) (b)

Figure 3.15 Molecular structures and space-filling representations of a

portion of a layer containing the helical assembly of crystal
packing of (a) 11 and (b) 12 (methyl ester moieties are

omitted for clarity).