Merging supramolecular and covalent helical polymers: four helices within a single scaffold

Z Fernández, B Fernández, E Quiñoá… - Journal of the American …, 2021 - ACS Publications
Supramolecular and covalent polymers share multiple structural effects such as chiral
amplification, helical inversion, sergeants and soldiers, or majority rules, among others …

Multi-chiral materials comprising metallosupramolecular and covalent helical polymers containing five axial motifs within a helix

F Rey-Tarrío, E Quiñoá, G Fernández… - Nature Communications, 2023 - nature.com
Supramolecular and covalent polymers share multiple structural effects such as
communication mechanisms among monomer repeating units, which are related to their …

Toward conjugated double helical ladder polymers: cyclooctatetrathiophene as a highly versatile double helical scaffold

MJ Marsella, IT Kim, F Tham - Journal of the American Chemical …, 2000 - ACS Publications
The synthetic pursuit of π-conjugated (and cross-conjugated) macromolecules possessing
well-defined architectures is driven by the desire to impart specific physical properties onto …

Hierarchically self-assembled helical aromatic conjugated polymers

K Watanabe, K Suda, K Akagi - Journal of Materials Chemistry C, 2013 - pubs.rsc.org
We review recent progress in hierarchically self-assembled helical aromatic π-conjugated
polymers (ACPs) by focusing on (i) the intrachain helicity of ACPs in which the main chain …

Helical polymer–metal complexes: the role of metal ions on the helicity and the supramolecular architecture of poly (phenylacetylene) s

F Freire, JM Seco, E Quinoá, R Riguera - … Macromolecular Structures: 60 …, 2013 - Springer
New helical poly (phenylacetylene) s have been successfully designed and synthesised and
their properties checked. The new polymers behave as sensors of metal cation valences …

Single-and double-stranded helical polymers: synthesis, structures, and functions

E Yashima, K Maeda, Y Furusho - Accounts of chemical research, 2008 - ACS Publications
Biological macromolecules, such as DNA and proteins, possess a unique and specific
ordered structure, such as a right-handed double helix or a single α-helix. Those structures …

Control of One-Handed Helicity in Polyacetylenes: Impact of an Extremely Small Amount of Chiral Substituents

T Ikai, Y Morita, T Majima, S Takeda… - Journal of the …, 2023 - ACS Publications
Controlling the one-handed helicity in synthetic polymers is crucial for developing helical
polymer-based advanced chiral materials. We now report that an extremely small amount of …

Polymeric helical structures à la carte by rational design of monomers

K Cobos, R Rodriguez, O Domarco, B Fernandez… - …, 2020 - ACS Publications
Preparation of helical structures à la carte by monomer design of dynamic helical polymers
such as poly (phenylacetylene) s (PPAs) is a difficult task due to conformational freedom of …

Chiral coalition in helical sense enhancement of copolymers: the role of the absolute configuration of comonomers

S Arias, R Rodríguez, E Quiñoá… - Journal of the …, 2018 - ACS Publications
Both the role of the absolute configuration and the tendency of a chiral monomer to promote
a certain helical scaffold in a poly (phenylacetylene)(PPA) have been evaluated to study the …

Reversible assembly of enantiomeric helical polymers: from fibers to gels

S Leiras, F Freire, E Quiñoá, R Riguera - Chemical Science, 2015 - pubs.rsc.org
A novel class of stereocomplexes is described by the interaction of helically complementary
poly (phenylacetylene) s (PPAs) carrying an α-methoxy-α-trifluoromethylphenylacetamide …