[HTML][HTML] Preparation of chiral polymers: Precise chirality transfer from natural species to achiral artificial polymers
The synthesis of chiral substances, especially chiral polymers is currently one of the hottest
issues in the field of chiral materials and chemistry due to their unique structural …
issues in the field of chiral materials and chemistry due to their unique structural …
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 …
polymer-based advanced chiral materials. We now report that an extremely small amount of …
Helical polymers with dynamic and static macromolecular helicity memory: The power of helicity memory for helical polymer synthesis and applications
E Yashima, K Maeda - Bulletin of the Chemical Society of Japan, 2021 - academic.oup.com
In this Account, we describe the recent progress in the synthesis and unique features and
functions of helical polymers with a controlled handedness based on the noncovalent …
functions of helical polymers with a controlled handedness based on the noncovalent …
Emergence of highly enantioselective catalytic activity in a helical polymer mediated by deracemization of racemic pendants
T Ikai, M Ando, M Ito, R Ishidate, N Suzuki… - Journal of the …, 2021 - ACS Publications
Any polymers composed of racemic repeating units are obviously optically inactive and
hence chiral functions, such as asymmetric catalysis, will not be expected at all. Contrary to …
hence chiral functions, such as asymmetric catalysis, will not be expected at all. Contrary to …
Allostery‐Mimicking Self‐assembly of Helical Poly (phenylacetylene) Block Copolymers and the Chirality Transfer
S Cai, J Chen, S Wang, J Zhang… - Angewandte Chemie …, 2021 - Wiley Online Library
Allostery can regulate protein self‐assembly which further affects biological activities, and
achieving precise control over the chiral suprastructures during self‐assembly remains …
achieving precise control over the chiral suprastructures during self‐assembly remains …
Racemic monomer‐based one‐handed helical polymer recognizes enantiomers through auto‐evolution of its helical handedness excess
T Ikai, T Kurake, S Okuda, K Maeda… - Angewandte Chemie …, 2021 - Wiley Online Library
A racemic monomer‐based optically inactive polyacetylene folds into a one‐handed helix
assisted by a nonracemic alcohol, which can separate various enantiomers as a chiral …
assisted by a nonracemic alcohol, which can separate various enantiomers as a chiral …
Remote Control of One‐Handed Helicity in Polyacetylenes through Flexible Spacers in Water: Impact of the Spacer Length
We report the unprecedented sergeants and soldiers (S&S)‐type remote control of one‐
handed helicity in copolymers of chiral/achiral biphenylylacetylenes bearing amphiphilic …
handed helicity in copolymers of chiral/achiral biphenylylacetylenes bearing amphiphilic …
Ultra‐fast One‐Handed Helix Induction and Its Static Helicity Memory in a Poly (biphenylylacetylene) with a Catalytic Amount of Chiral Ammonium Salts
M Fukuda, M Morikawa, D Hirose… - Angewandte Chemie …, 2023 - Wiley Online Library
We report an ultra‐fast helix induction and subsequent static helicity memory in poly
(biphenylylacetylene)(PBPA‐A) assisted by a catalytic amount of nonracemic ammonium …
(biphenylylacetylene)(PBPA‐A) assisted by a catalytic amount of nonracemic ammonium …
Chiral and Achiral Pendant-Bound Poly (biphenylylacetylene) s Bearing Amide and/or Carbamate Groups: One-Handed Helix Formations and Chiral Recognition …
A series of cis-poly (biphenylylacetylene)(PBPA) derivatives bearing chiral and achiral
pendant groups at the 4′-position of the biphenyl units through an amide (− NHCO−) or …
pendant groups at the 4′-position of the biphenyl units through an amide (− NHCO−) or …
Chromaticity sensor for discriminatory identification of aliphatic and aromatic primary amines based on conformational changes of polyacetylene
Y Gu, L Liu, Y Wang, C Zhang, T Satoh - Talanta, 2024 - Elsevier
The design and construction of suitable sensors that can selectively recognize chemically
similar substances such as aliphatic and aromatic amines remain challenging. In this work …
similar substances such as aliphatic and aromatic amines remain challenging. In this work …