2025
Clay Column Chromatography for Optical Resolution: Separation and Asymmetric Induction of Cyclometalated Iridium(III) Complexes
A. Yamagishi, K. Takimoto, K. Naing, K. Tamura, M. Kamon, J. Yoshida, H. Sato*
Bull. Chem. Soc. Jpn. 2025, uoaf110.
Application of Multiple Small-wedge Synchrotron Crystallography for Post-reaction Structural Characterization of a Stimuli-responsive Small-molecule Crystal
T. Sasaki*, T. Nakane, K. Takimoto, K. Ichiyanagi, Y. Mori, S. Baba, N. Sakai, G. Kurisu*, M. Miyata, T. Uno*, T. Itoh*
Bull. Chem. Soc. Jpn. 2025, 98, uoaf059.
Triplet-triplet Annihilation Up-Conversion of Cationic Iridium(III) Complex Solubilized by Organically-Modified Hectorite in a Green Solvent
A. Yamagishi, K. Takimoto, R. Ito, J. Yoshida, H. Sato*
Apply. Clay. Sci. 2025, 272, 107828.
2023
Thermo-/Mechano-Chromic Chiral Coordination Dimer: Formation of Switchable and Metastable Discrete Structure through Chiral Self-Sorting
K. Takimoto*, T. Shimada, K. Nagura, J. P. Hill, T. Nakanishi, H. Yuge, S. Ishihara*, J. Labuta*, H. Sato*
J. Am. Chem. Soc. 2023, 145, 25160–25169.
DOI: 10.1021/jacs.3c05866 (ChemRxiv)
2022
Vibrational Circular Dichroism Spectroscopy toward Intercalation Compounds of Sodium Montmorillonite: Evidences for Molecular Packing of Enantiopure Monovalent Ir(III) Complexes within Interlayer Spaces
H. Sato*, K. Takimoto, A. Yamagishi, J. Yoshida, M. Hara
Appl. Clay Sci. 2022, 228, 106621.
DOI: 10.1016/j.clay.2022.106621
Clay Column Chromatography for Optical Resolution: A Series of Derivatized Amino Acids
A. Yamagishi*, S. Yamamoto, K. Takimoto, K. Tamura, M. Kamon, F. Sato, H. Sato*
Bull. Chem. Soc. Jpn. 2022, 95, 961–967.
2021
Hybridization of Antocyanin Dyes from Purple Cabbage with Synthetic Saponite: Effects of Aluminum Ion on Color Stabilization
S. Inoue, H. Kodama, T. Kan, T. Shimada, K. Takimoto, K. Tamura, M. Kamei, A. Yamagishi, H. Sato*
Clay Science 2021, 25, 33–37.
DOI: 10.11362/jcssjclayscience.MS-21-8
Chiral Discrimination of Dansylated Alanine Methyl Ester on a Modified Clay Surface: Vibrational Circular Dichroism Approach
A. Yamagishi, K. Takimoto, K. Tamura, F. Sato, H. Sato*
Bull. Chem. Soc. Jpn. 2021, 94, 2711–2717.
Estimation of Enantiomeric Excess based on Rapid Host-Guest Exchange
J. Labuta*, S. Ishihara*, D. T. Payne, K. Takimoto, H. Sato, L. Hanyková, K. Ariga, J. P. Hill*
Chemosensors 2021, 9(9), 259–276. (Review)
DOI: 10.3390/chemosensors9090259
Five-Coordinate Iridium(III) Complex with ΔΛ Chirality
K. Takimoto, Y. Watanabe, J. Yoshida, H. Sato*
Dalton Trans. 2021, 50, 13256–13263.
DOI: 10.1039/d1dt01960k (Outside back cover)
Effects of Geometrical Isomerism on Emissive Behaviour of Heteroleptic Cyclometalated Ir(III) Complexes
Y. Jinsenji, K. Takimoto, J. Yoshida, S. Mori, Y. Watanabe, H. Sato*
Dalton Trans. 2021, 50, 8506–8511.
DOI: 10.1039/d1dt00783a
Stereoselective Enhancement of VCD Signals for Intercalation Compounds of Sodium Montmorillonite and Chiral Metal Complexes
H. Sato*, K. Takimoto, J. Yoshida, A. Yamagishi
Bull. Chem. Soc. Jpn. 2021, 94, 1731–1736.
DOI: 10.1246/bcsj.20210101 (BCSJ Award Article)
Solid-State Vibrational Circular Dichroism as Applied for Heterogenous Asymmetric Catalysis: Copper(II) Complexes Immobilized in Montmorillonite
H. Sato*, K. Takimoto, J. Yoshida, Y. Watanabe, A. Yamagishi
Chem. Lett. 2021, 50, 896–898.
DOI: 10.1246/cl.200937
2020
Vibrational Circular Dichroism towards Asymmetric Catalysis: Chiral Induction in Substrates Coordinated with Copper(II) Ions
H. Sato*, K. Takimoto, J. Yoshida, A. Yamagishi
Phys. Chem. Chem. Phys. 2020, 22, 24393–24398.
DOI: 10.1039/d0cp04827e
Enantiomeric Excess Dependent Splitting of NMR Signal Through Dynamic Chiral Inversion and Coligand Exchange in a Coordination Complex
K. Takimoto, S. Ishihara*, J. Labuta*, V. Březina, D. T. Payne, J. P. Hill, K. Ariga, M. Sumita, S. Mori, H. Sato
J. Phys. Chem. Lett. 2020, 11, 8164–8169.
2019
Real-Time Monitoring of Low Pressure Oxygen Molecules over Wide Temperature Range: Feasibility of Ultrathin Hybrid Films of Iridium(III) Complexes and Clay Nanosheets
H. Sato*, K. Takimoto, M. Kato, S. Nagaoka, K. Tamura, A. Yamagishi
Bull. Chem. Soc. Jpn. 2019, 93(2), 194–199.
Application of Solid-State Vibrational Circular Dichroism for Intercalation Compounds of Layered Double Hydroxide and Amino Acids: Conformation of an Intercalated Phenylalanine
H. Sato*, K. Takimoto, I. Kawamura, S. Aisawa*
Bull. Chem. Soc. Jpn. 2019, 92(10), 1779–1784.
DOI: 10.1246/bcsj.20190161 (Selected Paper)
2018
Solid state vibrational circular dichroism towards molecular recognition: chiral metal complexes intercalated in a clay mineral
H. Sato*, K. Tamura, K. Takimoto, Akihiko Yamagishi
Phys. Chem. Chem. Phys. 2018, 20, 3141–3147.
DOI: 10.1039/C7CP05114J (HOT Articles)
Microscopic chiral pockets in a tris(chelated) iridium(III) complex as sites for dynamic enantioselective quenching
K. Takimoto, K. Tamura, Y. Watanabe, A. Yamagishi, H. Sato*
New J. Chem. 2018, 42, 4818–4823.
DOI: 10.1039/c7nj04688j (Inside front cover)
Stereoselective Interactions as Manifested by Vibrational Circular Dichroism Spectra: Interplay between Chiral Metal Complexes Co-adsorbed in a Montmorillonite Clay
H. Sato*, K. Takimoto, H. Mori, A. Yamagishi
Phys. Chem. Chem. Phys. 2018, 20, 25421–25427.
DOI: 10.1039/C8CP04753G
2017
Vibrational circular dichroism and single crystal X-Ray diffraction analyses of [Ir(bzq)2(phen)]+ (bzq = benzo[h]quinoline; phen = 1,10-phenanthroline): absolute configuration and role of CH-π interaction in molecular packing
K. Takimoto, Yutaka Watanabe, Shigeki Mori, Hisako Sato*
Dalton Trans. 2017, 46, 4397–4402.
DOI: 10.1039/C7DT00606C