Yashima Group
Review. Synthesis and Applications of Helical Polymers with Dynamic and Static Memories of Helicity
E. Yashima
Proc. Jpn. Acad., Ser B, 99, 438-459 (2023) DOI: 10.2183/pjab.99.025 (Open Access)
Review. Helical Polymers with Dynamic and Static Macromolecular Helicity Memory: The Power of Helicity Memory for Helical Polymer Synthesis and Applications
E. Yashima and K. Maeda
Review. 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, T. Ikai, and K. Maeda
Bull. Chem. Soc., Jpn., 94, 2637-2661 (2021) DOI: 10.1246/bcsj.20210282 (Open Access)
Chem. Rev., 116, 13752-13990 (2016) DOI: 10.1021/acs.chemrev.6b00354 (Open Access)
362. Solvation Entropy as a Lever for Steering the Macroscopic Properties of a Functional Supramolecular Helical Polymer
H. Kong, M. Martínez-Aguirre, Y. Li, T. Ikai, E. Yashima, G. Velpula, S. De Feyter, P.-A. Albouy, K. Akpo, P. Brocorens, R. Lazzaroni, L. Bouteiller, M. Raynal
Listed as "Hot and Highly Cited Papers" in Web of Science
361. Induced Circularly Polarized Luminescence of Dynamically Racemic Luminophores Assisted by Formation of Helical Phase via Self-assembly of Chiral Block Copolymers
C.-C. Kuo, S.-W. Shao, P. Puneet, E. Yashima, and R.-M. Ho
Angew. Chem., Int. Ed., 64, e202521365 (2025)
360. Tunable Synthesis of One-Handed Helical Ladder Polymers with a Helical Cavity or Helical Grooves for Advanced Chiral Recognition
T. Ikai, T. Matsumoto, S. Takeda, K. Oki, and E. Yashima
Macromolecules, 58, 8308-8315 (2025) https://doi.org/10.1021/acs.macromol.5c01122
357. Chiral Luminophore Guided Self-Assembly of Achiral Block Copolymers for the Amplification of Circularly Polarized Luminescence
S.-W. Shao, P. Puneet, M.-C. Li, T. Ikai, E. Yashima, and R.-M. Ho
Macromolecules, 58, 6943-6952 (2025) https://pubs.acs.org/doi/10.1021/acs.macromol.5c00677
356. Synthesis of Sterically Congested Double Helicene by Alkyne Cycloisomerization
J. Hirano, S. Miyoshi, E. Yashima, T. Ikai, H. Shinokubo, and N. Fukui
Chem. Commun., 2024 DOI: 10.1039/d4cc01573h.
ACS Macro Lett., 13, 734-740 (2024) DOI: 10.1021/acsmacrolett.4c00188.
355. 2,2'-Tethered Binaphthyl-Embedded One-Handed Helical Ladder Polymers: Impact of the Tether Length on Helical Geometry and Chiroptical Property
T. Ikai, N. Mishima, T. Matsumoto, S. Miyoshi, K. Oki, and E. Yashima
Angew. Chem., Int. Ed., 63, e202318712 (2024) DOI: 10.1002/anie.202318712. (Open Access)
Selected as VIP paper
354. Tandem Isomerization/α,β-Site-Selective and Enantioselective Addition Reactions of N-(3-Butynoyl)-3,5-dimethylpyrazole Induced by Chiral 𝞹-Cu(II) Catalysts
W. Guo, M. Hori, Y. Ogura, K. Nishimura, K. Oki, T. Ikai, E. Yashima, and K. Ishihara
353. Secondary Structure Modulation of Triptycene-Based One-Handed Helical Ladder Polymers through 𝞹-Extension of Achiral Segments
T. Ikai, N. Mishima, T. Matsumoto, S. Miyoshi, K. Oki, and E. Yashima
J. Am. Chem. Soc., 145, 27080-27088 (2023) DOI: 10.1021/jacs.3c10820. (Open Access)
Org. Mater, 5, 184-190 (2023)DOI: 10.1055/a-2208-4389. (Open Access)
Special Issue on "Soluble Graphene Nanoarchitectures"
352. Control of One-Handed Helicity in Polyacetylenes: Impact of an Extremely Small Amount of Chiral Substituents
T. Ikai, Y. Morita, T. Majima, S. Takeda, R. Ishidate, K. Oki, N. Suzuki, H. Ohtani, H. Aoi, K. Maeda, K. Okoshi, and E. Yashima
J. Am. Chem. Soc.,145, 24862-24876 (2023) DOI: 10.1021/jacs.3c09308 (Open Access)
351. Self-Assembling Peptide-Appended Metallomacrocycle Pores for Selective Water Translocation
L.-B. Huang, F. Mamiya, M. Baaden, E. Yashima, and M. Barboiu
ACS Appl. Mater. Interfaces, 15, 40133-40139 (2023) DOI: 10.1021/acsami.3c09059
350. Optically-Pure Triptycene-Based Metallomacrocycles and Homochiral Self-Sorting Assisted by Ladder Formation
K. Oki, W. Zheng, E. Yashima, and T. Ikai
Chem. Commun., 59, 8989-8992 (2023), DOI: 10.1039/D3CC02259E. (Open Access)
349. One-Handed Helical Polyacetylenes Bearing Axially-Chiral 2-Arylpyridyl-N-Oxide Units for Efficient Chromatographic Enantioseparation of Chiral Aromatic and Aliphatic Alcohols
T. Ikai, M. Ito, K. Oki, N. Suzuki, and Eiji Yashima
Angew. Chem., Int. Ed., 62, e202306252 (2023) DOI: 10.1002/anie.202306252.
Selected as VIP paper
348. Remote Control of One-Handed Helicity in Polyacetylenes through Flexible Spacers in Water: Impact of the Spacer Length
T. Ikai, K. Nakamura, K. Mizumoto, K. Oki, and E. Yashima
Angew. Chem., Int. Ed., 62, e202301127 (2023) DOI: 10.1002/anie.202301127.
Selected as VIP paper
347. Defect-Free Synthesis of a Fully 𝞹-Conjugated Helical Ladder Polymer and Resolution into a Pair of Enantiomeric Helical Ladders
T. Ikai, S. Miyoshi, K. Oki, R. Saha, Y. Hijikata, and E. Yashima
Angew. Chem., Int. Ed., 62, e202301962 (2023) DOI: 10.1002/anie.202301962.
Selected as VIP paper
346. Stereospecific Synthesis of Enantiopure [6]Helicene Containing a Seven-Membered Ring and [7]Helicene via Acid-Promoted Stepwise Alkyne Annulations of Doubly Axial-Chiral Precursors
T. Ikai, K. Oki, S. Yamakawa, and E. Yashima
Angew. Chem., Int. Ed., 62, e202217020 (2023) DOI: 10.1002/anie.202301836. (Open Access)
345. 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, T. Taniguchi, D. Hirose, T. Nishimura, E. Yashima, and K. Maeda
Angew. Chem., Int. Ed., 62, e202217020 (2023) DOI: 10.1002/anie.202217020.
Selected as VIP paper and Cover
344. One-Handed Helical Tubular Ladder Polymers for Chromatographic Enantioseparation
W. Zheng, K. Oki, R. Saha, Y. Hijikata, E. Yashima, and T. Ikai
Angew. Chem., Int. Ed. , 62, e202218297 (2023) DOI: 10.1002/anie.202218297. (Open Access)
343. Amplification of Macromolecular Helicity of Poly(biphenylylacetylene)s Composed of a Small Amount of Chiral [5]Helicene Units
T. Ikai, S. Anzai, K. Oki, and E. Yashima
J. Polym. Sci. , 61, 912-919 (2023) DOI: 10.1002/pol.20220658.
Special Issue in honor of the 65th birthday of Prof. Takuzo Aida
341. Chiral and Achiral Pendant-Bound Poly(biphenylylacetylene)s Bearing Amide and/or Carbamate Groups: One-Handed Helix Formations and Chiral Recognition Abilities
T. Ikai, S. Okuda, M. Aizawa, and E. Yashima
Macromolecules, 55, 7023-7031 (2022) DOI: 10.1021/acs.macromol.2c01362
340. Catalytic One-Handed Helix Induction and Subsequent Static Memory of Poly(biphenylylacetylene)s Assisted by a Small Amount of Carboxy Groups Introduced at the Pendants
T. Ikai, S. Takeda, and E. Yashima
ACS Macro Lett., 11, 525-531 (2022) DOI: 10.1021/acsmacrolett.2c00136 (Open Access)
339. Consecutively Fused Single-, Double-, and Triple-Expanded Helicenes
W. Zheng, T. Ikai, K. Oki, and E. Yashima
Natural Sci., 2, e20210047 (2022) DOI: 10.1002/ntls.20210047 (Open Access)
338. Supramolecular Helical Assemblies of Dirhodium(II) Paddlewheels with 1,4-Diazabicyclo[2.2.2]octane: A Remarkable Substituent Effect on the Helical Sense Preference and Amplification of the Helical Handedness Excess of Metallo-Supramolecular Helical Polymers
S. Okuda, N. Ousaka, T. Iwata, R. Ishida, A. Urushima, N. Suzuki, S. Nagano, T. Ikai, and E. Yashima
