Supramolecular helical systems: helical assemblies of small molecules, foldamers, and polymers with chiral amplification and their functions

E Yashima, N Ousaka, D Taura, K Shimomura… - Chemical …, 2016‏ - ACS Publications
In this review, we describe the recent advances in supramolecular helical assemblies
formed from chiral and achiral small molecules, oligomers (foldamers), and helical and …

Helical polymers: synthesis, structures, and functions

E Yashima, K Maeda, H Iida, Y Furusho… - Chemical …, 2009‏ - ACS Publications
The helix is the central structural motif in biological macromolecules, such as DNA and
proteins, and is also the ubiquitous object in nature from microscopic to macroscopic points …

A field guide to foldamers

DJ Hill, MJ Mio, RB Prince, TS Hughes… - Chemical …, 2001‏ - ACS Publications
The breadth of structure and function displayed by the molecules of biology is remarkable.
Considering that there are only three major biopolymer backbones (proteins, ribonucleic …

Amplification of chirality in dynamic supramolecular aggregates

ARA Palmans, EW Meijer - Angewandte Chemie International …, 2007‏ - Wiley Online Library
The quest to understand the origin of chirality in biological systems has evoked an intense
search for nonlinear effects in catalysis and pathways to amplify slight enantiomeric …

“Majority-Rules” Operative in Chiral Columnar Stacks of C3-Symmetrical Molecules

J van Gestel, ARA Palmans, B Titulaer… - Journal of the …, 2005‏ - ACS Publications
C 3-symmetrical disks 1, preorganized by acylated 2, 2 '-bipyridine-3, 3 '-diamine moieties
and decorated with nine identical chiral, lipophilic tails, aggregate into a dynamic helix in …

Helical rosette nanotubes with tunable chiroptical properties

H Fenniri, BL Deng, AE Ribbe - Journal of the American Chemical …, 2002‏ - ACS Publications
On the basis of transmission electron microscopy (TEM), dynamic light scattering (DLS),
small-angle X-ray scattering (SAXS), and circular dichroism (CD) studies, compound 1 was …

Control of dynamic helicity at the macro-and supramolecular level

D Pijper, BL Feringa - Soft Matter, 2008‏ - pubs.rsc.org
In this review, various systems developed in recent years which aim to control dynamic
helicity at the macro-and supramolecular level are discussed. The strong interactions …

Detection and amplification of a small enantiomeric imbalance in α-amino acids by a helical poly (phenylacetylene) with crown ether pendants

R Nonokawa, E Yashima - Journal of the American Chemical …, 2003‏ - ACS Publications
We have designed a novel stereoregular poly (phenylacetylene) bearing the bulky crown
ether as the pendant (poly-1) for the amino acid binding site. The polymer forms a one …

Synthesis of Luminescent Platinum(II) 2,6-Bis(N-dodecylbenzimidazol-2′-yl)pyridine Foldamers and Their Supramolecular Assembly and Metallogel Formation

MHY Chan, M Ng, SYL Leung, WH Lam… - Journal of the …, 2017‏ - ACS Publications
Dinuclear alkynylplatinum (II) metallofoldamers with an oligomeric m-phenyleneethynylene
backbone have been designed with the incorporation of a sterically undemanding, π …

Dynamic helical structures: detection and amplification of chirality

K Maeda, E Yashima - Supramolecular chirality, 2006‏ - Springer
A unique feature of dynamic helical, chromophoric macromolecules that enables the
detection of a small imbalance in chiral guest molecules through a noncovalent bonding …