Recent Publications

* Symmetry-Breaking Host-guest Assembly in a Hydrogen-bonded Supramolecular System
S. Horiuchi, T. Yamaguchi, J. Tessarolo, H. Tanaka, E. Sakuda, Y. Arikawa, E. Meggers, G. H. Clever, K. Umakoshi
Nature Communications, 14, 155 (2023). DOI:10.1038/s41467-023-35850-4

* Recent advances in pyrazolato-bridged homo- and heterometallic polynuclear platinum and palladium complexes
S. Horiuchi, K. Umakoshi
Coordination Chemistry Reviews, 476, 214924 (2023). DOI:10.1016/j.ccr.2022.214924


* Rational Synthesis of An Unsymmetric Pt Complex Unit Having Two Kinds of Pyrazolate Ligands, Elucidating Steric and Electronic Effects of Pyrazolate Ligands in Pt-Ag Sandwich Complexes
S. Horiuchi, Y. Yang, M. Ueda, E. Sakuda, Y. Arikawa, K. Umakoshi
Eur. J. Inorg. Chem., e202200497 (2022). DOI:10.1002/ejic.202200497

* Characterization of a Half-Bent RuNO Mode on a Dinuclear Ruthenium Complex through Reduction Reaction
Y. Arikawa, M. Yamada, Y. Otsubo, Y. Takeuchi, A. Ikeda, S. Horiuchi, E. Sakuda, K. Umakoshi
Bull. Chem. Soc. Jpn, 95, 1214 (2022). DOI:10.1246/bcsj.20220125

* Excited-state dynamics of luminescent transition metal complexes with metallophilic and donor-acceptor interactions
A. Ito, M. Iwamura, E. Sakuda
Coordination Chemistry Reviews, 467, 214610 (2022). DOI:10.1016/j.ccr.2022.214610

* An Asymmetric Pt Diimine Acetylide Complex Providing Unique Luminescent Multinuclear Sandwich Complexes with Cu Salts
S. Horiuchi, H. Hiroiwa, E. Sakuda, Y. Arikawa, K. Umakoshi
Chemical Communications, 58, pp. 3489-3492 (2022). DOI:10.1039/D1CC07108D


* A Family of Heterobimetallic Cubes Shows Spin-crossover Behaviour Near Room Temperature
M. Hardy, J. Tessarolo, J. J. Holstein, N. Struch, N. Wagner, R. Weisbarth, M. Engeser, J. Beck, S. Horiuchi, G. H. Clever, A. Lutzen
Angewandte Chemie International Edition, 60, pp.22562-22569 (2021). DOI:10.1002/anie.202108792

* Integrative Assembly of Heteroleptic Tetrahedra Controlled by Backbone Steric Bulk
J. Tessarolo, H. Lee, E. Sakuda, K. Umakoshi, G. H. Clever
Journal of the American Chemical Society, 141, pp.6339-6344 (2021). DOI:10.1021/jacs.1c01931

* Multinuclear Ag Clusters Sandwiched by Pt Complex Units: Fluxional Behavior and Chiral-at-Cluster Photoluminescence
S. Horiuchi, S. Moon, A. Ito, J. Tessarolo, E. Sakuda, Y. Arikawa, G. H. Clever, K. Umakoshi
Angewandte Chemie International Edition, 60, pp.10654-10660 (2021). DOI:10.1002/anie.202101460

* Bridging-Arylene Effects on Spectroscopic and Photophysical Properties of Arylborane?Dipyrrinato Zinc(II) Complexes
K. Takaki, E. Sakuda, A. Ito, S. Horiuchi, Y. Arikawa, K. Umakoshi
RSC Advances, 11, pp.6259-6267 (2021). DOI:10.1039/d0ra09029h

* NO Migratory Insertion into Ruthenium?Aryl Bond with a Hydridotris(pyrazolyl)borato Ligand
Y. Arikawa, M. Yamada, N. Takemoto, S. Horiuchi, E. Sakuda, K. Umakoshi
Organometallics, 40, pp.302-305 (2021). DOI:10.1021/acs.organomet.0c00694

* A Heteropolynuclear Pt-Ag System Having Cycloplatinated Rollover Bipyridyl Units
S. Horiuchi, S. Tanaka, S. Moon, E. Sakuda, A. Ito, Y. Arikawa, K. Umakoshi
Inorganic Chemistry, 60, pp.1513-1522 (2021). DOI:10.1021/acs.inorgchem.0c02843

* Emissive Supramolecular Systems Based on Reversible Bond Formation and Noncovalent Interactions
S. Horiuchi, K. Umakoshi
The Chemical Record, 21, pp.469-479 (2021). DOI:10.1002/tcr.202000125


* Anion-Mediated Encapsulation-Induced Emission Enhancement of an IrIII Complex within a Resorcin[4]arene Hexameric Capsule
S. Horiuchi, C. Matsuo, E. Sakuda, Y. Arikawa, G. H. Clever, K. Umakoshi
Dalton Transactions, 49, pp.8472-8477 (2020). (HOT Article). DOI:10.1039/d0dt01485k

* Stereoisomers of Homoleptic Dipyrrinatoplatinum(II) Complexes Having Arylborane Charge-Transfer Substituents: Synthesis, Characterization and Spectroscopic Properties
K. Takaki, E. Sakuda, A. Ito, S. Horiuchi, Y. Arikawa, K. Umakoshi
Chemistry Letters, 49, pp.905-908 (2020). DOI:10.1246/cl.200258

* Photocatalytic CO2 reduction under visible-light irradiation by ruthenium CNC pincer complexes
Y. Arikawa, I. Tabata, Y. Miura, H. Tajiri, Y. Seto, S. Horiuchi, E. Sakuda, K. Umakoshi
Chemistry - A European Journal, 26, pp.5603-5606 (2020). DOI:10.1002/chem.201905840


* Synthesis and Photoluminescence of Tetracyanidonitridorhenium(V) Complexes with Five-Membered N-Heteroaromatic Ligands and Photoluminescence-Intensity Change
M. Seike, K. Nagata, H. Ikeda, A. Ito, E. Sakuda, N. Kitamura, A. Shinohara, T. Yoshimura
ACS Omega, 4, pp.21251-21259 (2019). DOI:10.1021/acsomega.9b02749

* Controlling the Electronic Structures and Excited-State Characteristics of Dipyrrinatoiridium(III) Complexes by an Arylborane or an Arylamino Unit
K. Takaki, E. Sakuda, A. Ito, S. Horiuchi, Y. Arikawa, K. Umakoshi
Inorganic Chemistry, 58, pp. 14542-14550 (2019). DOI:10.1021/acs.inorgchem.9b02184

* Tunable Fullerene Affinity of Cages, Bowls and Rings Assembled by Pd(II) Coordination Sphere Engineering
B. Chen, S. Horiuchi, J. H. Holstein, J. Tessarolo, G. H. Clever
Chemistry - A European Journal, 25, pp. 14921-14927 (2019). DOI:10.1002/chem.201903317

* Pd(II) Coordination Sphere Engineering: Pyridine Cages, Quinoline Bowls and Heteroleptic Pills Binding One or Two Fullerenes
B. Chen, J. H. Holstein, S. Horiuchi, W. G. Hiller, G. H. Clever
Journal of the American Chemical Society, 141, pp. 8907-8913 (2019). DOI:10.1021/jacs.9b02207

* Synthesis and Photophysical Properties of Butterfly-shaped Dinuclear Pt(II) complex having NHC-based Chelate Ligands
S. Moon, S. Horiuchi, E. Sakuda, A. Ito, Y. Arikawa, K. Umakoshi
Inorganica Chimica Acta, 493, pp. 43-48 (2019). DOI:10.1016/j.ica.2019.04.045

* Encapsulation condition dependent photophysical properties of polypyridyl Ru(II) complexes within a hydrogen-bonded capsule
S. Horiuchi, H. Tanaka, E. Sakuda, Y. Arikawa, K. Umakoshi
Dalton Transactions, 48, pp. 5156-5160 (2019). DOI:10.1039/C9DT00737G

* Arrangement of a NO ligand and the neighboring sulfur-containing species on a dinuclear ruthenium complex by ligand substitution and linkage isomerism of a dimethyl sulfoxide ligand
Y. Arikawa, Y. Otsubo, T. Nakayama, N. Mitsuda, S. Horiuchi, E. Sakuda, K. Umakoshi
Inorganica Chimica Acta, 490, pp. 45-50 (2019). DOI:10.1016/j.ica.2019.02.036


* Emission Tuning of Heteroleptic Arylborane-Ruthenium(II) Complexes by Ancillary Ligands: Observation of Strickler-Berg-Type Relation
A. Nakagawa, A. Ito, E. Sakuda, S. Fujii, N. Kitamura, M. N. Sokolov
Inorganic Chemistry, 57, pp. 9055-9066 (2018). DOI:10.1021/acs.inorgchem.8b01058

* Synthetic NO reduction cycle on a bis(pyrazolato)-bridged dinuclear ruthenium complex including photo-induced transformation
Y. Arikawa, J. Hiura, C. Tsuchii, M. Kodama, N. Matsumoto, K. Umakoshi
Dalton Transactions, 47, pp. 7399-7401 (2018). DOI:10.1039/C8DT01208C

* U- to Z-shape isomerization in Pt2Ag2 framework containing pyridyl-NHC ligands
S. Horiuchi, S. Moon, E. Sakuda, A. Ito, Y. Arikawa, K. Umakoshi
Dalton Transactions, 47, pp. 7113-7117 (2018). DOI:10.1039/C8DT01047A

* Nitrite Reduction Cycle on a Dinuclear Ruthenium Complex Producing Ammonia
Y. Arikawa, Y. Otsubo, H. Fujino, S. Horiuchi, E. Sakuda, K. Umakoshi
Journal of the American Chemical Society, 140(2), pp. 842-847 (2018). DOI:10.1021/jacs.7b12020


* Bright and Long-Lived Emission from a Starburst-Type Arylborane-Appended Polypyridyl Ruthenium(II) Complex
A. Nakagawa, A. Ito, E. Sakuda, S. Fujii, N. Kitamura
European Journal of Inorganic Chemistry, 2017, pp. 3794-3798 (2017). DOI:10.1002/ejic.201700448

* Zero-Magnetic-Field Splitting in the Excited Triplet States of Octahedral Hexanuclear Molybdenum(II) Clusters: [(Mo6X8)(n-C3F7COO)6]2- (X = Cl, Br, or I)
S. Akagi, E. Sakuda, A. Ito, N. Kitamura
The Journal of Physical Chemistry A, 121, pp. 7148-7156 (2017). DOI:10.1021/acs.jpca.7b06783

* Reversible Formation and Cleavage of Pt→Ag Dative Bonds in a Pre-organized Cavity of Luminescent Heteropolynuclear Platinum(II) Complex
M. Ueda, S. Horiuchi, E. Sakuda, Y. Nakao, Y. Arikawa, K. Umakoshi
Chemical Communications, 53, pp. 6405-6408 (2017). DOI:10.1039/C7CC03447D

* Chiral-at-Metal Phosphorescent Square-Planar Pt(II) Complexes from an Achiral Organometallic Ligand
T. R. Schulte, J. J. Holstein, L. Krause, R. Michel, D. Stalke, E. Sakuda, K. Umakoshi, G. Longhi, S. Abbate, G. H. Clever
Journal of the American Chemical Society, 139, pp. 6863-6866 (2017). DOI:10.1021/jacs.7b03963

* Characteristic Spectroscopic and Photophysical Properties of Tricarbonyl Rhenium(I) Complexes Having Multiple Arylborane Charge Transfer Units
Y. Kang, A. Ito, E. Sakuda, N. Kitamura
Bulletin of the Chemical Society of Japan, 90, pp. 574-585 (2017). DOI:10.1246/bcsj.20160398

* Reactivity of a Methoxido-Ruthenium Complex Bearing a Pincer-Type Bis(carbene) Ligand toward Thiocyanate, Carbon Disulfide, and Isothiocyanate
Y. Arikawa, T. Nakamura, T. Higashi, S. Horiuchi, E. Sakuda, K. Umakoshi
European Journal of Inorganic Chemistry, 2017, pp. 881-884 (2017). DOI:10.1002/ejic.201601324


* Side-on coordination mode of a pyrazolyl group in the structure of a divalent [Sm{(3-Mepz)4}2] complex (3-Mepz is 3-methylpyrazol-1-yl)
Y. Arikawa, K. Inada, M. Onishi
Acta Crystallographica Section C, C72, pp. 838-841 (2016). DOI:10.1107/S2053229616011578

* Encapsulation and Enhanced Luminescence Properties of IrIII Complexes within a Hexameric Self-Assembled Capsule
S. Horiuchi, H. Tanaka, E. Sakuda, Y. Arikawa, K. Umakoshi
Chemistry - A European Journal, 22, pp. 17533-17537 (2016). (hot paper). DOI:10.1002/chem.201604016

* Synthetic Tuning of Redox, Spectroscopic, and Photophysical Properties of {Mo6I8}4+ Core Cluster Complexes by Terminal Carboxylate Ligands
M. A. Mikhailov, K. A. Brylev, P. A. Abramov, E. Sakuda, S. Akagi, A. Ito, N. Kitamura, M. N. Sokolov
Inorganic Chemistry, 55, pp. 8437-8445 (2016). DOI:10.1021/acs.inorgchem.6b01042

* Core-Structure-Dependent Luminescence of Thiolato-Bridged Copper(I) Cluster Complexes
K. Shimada, A. Kobayashi, Y. Ono, H. Ohara, T. Hasegawa, T. Taketsugu, E. Sakuda, S. Akagi, N. Kitamura, M. Kato
The Journal of Physical Chemistry C, 120, pp. 16002-16011 (2016). DOI:10.1021/acs.jpcc.5b12688

* Different structural preference of Ag(I) and Au(I) in neutral and cationic luminescent heteropolynuclear platinum(II) complexes: Z(U)-shaped Pt2M2 type vs. trinuclear PtM2 type
K. Nishihara, M. Ueda, A. Higashitani, Y. Nakao, Y. Arikawa, S. Horiuchi, E. Sakuda, K. Umakoshi
Dalton Transactions, 45, pp. 4978-4982 (2016). DOI:10.1039/C6DT00320F

* Preparations of a Series of Coinage Metal Complexes with Pyridine-based Bis(N-heterocyclic carbene) Ligands Including Transmetalation to Palladium Complexes
T. Nakamura, S. Ogushi, Y. Arikawa, K. Umakoshi
Journal of Organometallic Chemistry, 803, pp. 67-72 (2016). DOI:10.1016/j.jorganchem.2015.12.006


* Proton-Assisted Mechanism of NO Reduction on a Dinuclear Ruthenium Complex
T. Suzuki, H. Tanaka, Y. Shiota, P. K. Sajith, Y. Arikawa, K. Yoshizawa
Inorganic Chemistry, 54, pp. 7181-7191 (2015). DOI:10.1021/acs.inorgchem.5b00394

* Ortho-Nitrosation of Anilines on a Ruthenium Hydridotris(pyrazolyl)borato Complex and Oxidation of the Resulting Coordinated Amine Groups
Y. Arikawa, S. Yamaguchi, Y. Otsubo, M. Onishi, K. Umakoshi
Organometallics, 34, pp. 1056-1061 (2015). DOI:10.1021/om5012769

* Fixation of Aatmospheric Carbon Dioxide by Ruthenium Complexes Bearing an NHC-based Pincer Ligand: Formation of a Methylcarbonato Complex and Its Methylation
Y. Arikawa, T. Nakamura, S. Ogushi, K. Eguchi, K. Umakoshi
Dalton Transactions, 44, pp. 5305-5307 (2015). DOI:10.1039/C5DT00476D

*Preparation and Luminescent Property of the Self-Assembled Nanoscale Network Systems Combined Tetracyanoplatinate(II) and Copper(II)-Polyaza Complexes
E. Otgonbaatar, M.-C. Chung, K. Umakoshi, C.-H. Kwak
J. Nanosci. Nanotechnol., 15, pp. 1389-1395 (2015). DOI:10.1166/jnn.2015.9320

* Highly Luminescent Imidoylamidinato Platinum(II) Complexes Formed by The Coupling of 1/H/-Pyrazole-1-carboxamidine with Nitriles Used as Reaction Solvents
T. Tanaka, R. Nouchi, Y. Nakao, Y. Arikawa, K. Umakoshi
RSC Advances, 4, pp. 62186-62189 (2014). DOI:10.1039/C4RA11744A

* Methylation of a Nitrosylruthenium Complex Bearing a Hydridotris(pyrazolyl)borate Ligand
Y. Arikawa, S. Yamaguchi, R. Haige, E. Oshiro, K. Umakoshi, M. Onishi
Journal of Organometallic Chemistry, 755, pp. 12-15 (2014). DOI:10.1016/j.jorganchem.2013.12.054


* Reactivity of a Nitrosyl Ligand on Dinuclear Ruthenium Hydrotris(pyrazolyl)borato Complexes Toward a NO Molecule
Y. Arikawa, A. Ikeda, N. Matsumoto, K. Umakoshi
Dalton Transactions, 42, pp. 11626-11631 (2013). DOI:10.1039/C5DT51319J


* Syntheses and Luminescent Properties of 3,5-Diphenylpyrazolato-Bridged Heteropolynuclear Platinum Complexes. The Influence of Chloride Ligands on the Emission Energy Revealed by the Systematic Replacement of Chloride Ligands by 3,5-Dimethylpyrazolate
S. Akatsu, Y. Kanematsu, T. Kurihara, S. Sueyoshi, Y. Arikawa, M. Onishi, S. Ishizaka, N. Kitamura, Y. Nakao, S. Sakaki, K. Umakoshi
Inorganic Chemistry, 51, pp.7977-7992 (2012). DOI:10.1021/ic202663q

* N-C Coupling of NO Ligands with β-Carbon Atoms in Aliphatic Tertiary Amines on Nitrosylruthenium Complexes Accompanying Oxidative Dehydrogenation of Amines and C-H Activation
T. Asayama, Y. Arikawa, T. Murabe, S. Agari, K. Umakoshi, M. Onishi
Chemistry - An Asian Journal, 7, pp. 664-666 (2012). DOI:10.1002/asia.201100816

* Reductive N-N coupling of NO molecules on transition metal complexes leading to N2O
Y. Arikawa, M. Onishi
Coordination Chemistry Reviews, 256, pp. 468-478 (2012). DOI:10.1002/j.ccr.2011.10.023

* Reactions of (Polypyrazolylborato)(benzonitrile)rutheniums with Terminal Alkynes: Reactivity Changeover by Triethylamine Toward Arylalkyne Polymerization or Formation of (Arylmethyl)(carbonyl) Complexes
M. Onishi, Y. Arikawa, M. Yamaguchi, T. Nagano, T. Inoue, A. Terasoba, S. Matsuo, M. Nakagawa, H. Kawano, J. Nagaoka, K. Umakoshi, M. Furukawa
Journal of Organometallic Chemistry, 700, pp. 135-41 (2012). DOI:10.1016/j.jorganchem.2011.11.031


* Synthesis and Properties of Oxo-carboxylato- and Dioxo-bridged Diosmium Complexes of Tris(2-pyridylmethyl)amine
H. Sugimoto, K. Kitayama, K. Ashikari, C. Matsunami, N. Ueda, K. Umakoshi, Y. Hosokoshi, Y. Sasaki, S. Itoh
Inorganic Chemistry, 50, pp. 9014-9023 (2011). DOI:10.1021/ic201230k

* Chiral Bis(oxazoline) Ruthenium Complexes with Bipyridyl-Type N-Heteroaromatics: Comparative Stereochemical and Photochemical Characterization of their Λ- and Δ-Diastereomeric Geminate Isomers
M. Onishi, Y. Tashiro, Y. Arikawa, J. Nagaoka, K. Umakoshi, Y. Sunada K. Nozaki
Chemistry - An Asian Journal, 6, pp. 1405-1415 (2011). DOI:10.1002/asia.201000738

* Conversion of Oxido-bridged Dinuclear Ruthenium Complex to Dicationic Dinitrosyl Ruthenium Complex Using Proton and Nitric Oxide: Completion of NO Reduction Cycle
Y. Arikawa, N. Matsumoto, T. Asayama, K. Umakoshi, M. Onishi
Dalton Transactions, 40, pp. 2148-2150 (2011). DOI:10.1039/C0DT01002B

Publications until 2010


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