An optically active acylhydrazine-functionalized biphenyl (AHB) carrying L-alanine-derived oligoamide side chains supramolecularly coassembled with the corresponding achiral AHB to form a one-dimensional helical nanofiber, in which intermolecular hydrogen bonding between the chiral/achiral oligoamide pendant units resulted in modest chiral amplification (the sergeants-and-soldiers effect). The chiral/achiral AHB-based covalent copolymers folded into a preferred-handed helical structure with amplification of the helical sense excess driven by intramolecular hydrogen bonds and further polymerized into a higher molar mass supramolecular helical polymer stabilized by end-to-end intermolecular hydrogen bonding.
- Tomoyuki Ikai
- Satoshi Kawabata
- Eiji Yashima
