2020
Decomposition and isomerization mechanisms of head-to-head α-pyridonato-bridged ethylenediamineplatinum(II) binuclear complex, [Pt2(en)2(C5H4NO)2]2+, in aqueous solutionY. Ito, K. Yamashima, S. Arai, M. Takahashi, T. Itou, S. Iwatsuki, K. Ishihara, K. Matsumoto, Inorganica Chimica Acta, 2020, 513, 119934. DOI: 10.1016/j.ica.2020.119934
Kinetics and mechanisms of inorganic and organometallic reactions of bis(amidato)-bridged cis-diammineplatinum(III) binuclear complexes: A review
S. Iwatsuki, K. Ishihara, K. Matsumoto, Inorganica Chimica Acta, 2020, 512, 119888. DOI: 10.1016/j.ica.2020.119888
o-Azophenylboronic Acid-based Colorimetric Sensors for D-Fructose: o-Azophenylboronic Acids with Inserted Protic Solvent are the Key Species for a Large Color Change
Y. Suzuki, A. Ikeda, K. Ohno, T. Fujihara, T. Sugaya, K. Ishihara, The Journal of Organic Chemistry, 2020, 85(15), 9680-9693. DOI: 10.1021/acs.joc.0c01011
Reactivity of Boronic Acids toward Catechols in Aqueous Solution
Y. Suzuki, D. Kusuyama, T. Sugaya, S. Iwatsuki, M. Takagi, K. Ishihara, The Journal of Organic Chemistry, 2020, 85(8), 5255-5264. DOI: 10.1021/acs.joc.9b03326
2019
Highly Selective Aluminum(III) Ion-Sensing with Luminescent Iridium(III) Complexes Bearing Distorted 2,2'-bipyridine-3,3'-diol Moiety Utilizing a Rigidified Seven-Membered Chelate RingY. Suzuki, I. Mizuno, Y. Tabei, Y. Fujioka, K. Shinozaki, T. Sugaya, K. Ishihara, Inorganic Chemistry, 2019, 58(15), 9663–9671. DOI: 10.1021/acs.inorgchem.9b00373
Detailed Reaction Mechanisms of 4‐Pyridylboronic Acid and (N‐Methyl)‐4‐Pyridinium Boronic Acid with D‐Sorbitol in Aqueous Solution
D. Kusuyama, Y. Samukawa, T. Sugaya, S. Iwatsuki, M. Inamo, H. D. Takagi, K. Ishihara, ChemistrySelect, 2019, 4(17), 4944–4951. DOI: 10.1002/slct.201900275
2018
Axial ligand substitution reactions of head-to-head α-pyridonato-bridged Pt(III) binuclear complexes bearing various equatorial ligands with chloride ion and olefinK. Kusuhara, K. Kaori, Y. Suzuki, Y. Morita, T. Sugaya, S. Iwatsuki, K. Ishihara, K. Matsumoto, Journal of Molecular Liquids, 2018, 262, 556–564. DOI: 10.1016/j.molliq.2018.04.024
2017
Axial-ligand substitution reactions of a head-to-head pivalamidatobridged Pt(III) binuclear complex bearing equatorial bromide ligands: A mechanistic studyT. Terada, Y. Kamezaki, R. Nakamura, T. Sugaya, S. Iwatsuki, K. Ishihara, K. Matsumoto, Inorganica Chimica Acta, 2017, 467, 391–399. DOI: 10.1016/j.ica.2017.08.008
Detailed Reaction Mechanism of Phenylboronic Acid with Alizarin Red S in Aqueous Solution: Re-Investigation with Spectrophotometry and Fluorometry
Y. Suzuki, T. Sugaya, S. Iwatsuki, M. Inamo, H. D. Takagi, A. Odani, K. Ishihara, ChemistrySelect, 2017, 2(10), 2956–2964. DOI: 10.1002/slct.201700166
2016
Detailed Mechanism of the Reaction of Phenylboronic Acid Derivatives with D-Fructose in Aqueous Solution:A Comprehensive Kinetic StudyY. Suzuki, M. Shimizu, T. Okamoto T, T. Sugaya, S. Iwatsuki, M. Inamo, H. D. Takagi, A. Odani, K. Ishihara, ChemistrySelect, 2016, 1(16), 5141-5151. DOI: 10.1002/slct.201600875
2015
Crystal structure of [5-bromo-2-(pyridin-2-yl-κN)phenyl-κC1](pentane-2,4-dionato-κ2O,O')platinum(II)Acta Crystallographica, Section E: Crystallographic Communications,2015，71(10),1259-1261.
Reaction mechanism of diphenylborinic acid with D-fructose in aqueous solution
Jounal of molecular liquids, 2015 (in press)
Axial ligand effect on the reaction mechanism of head-to-head pivalamidato-bridged Pt(III) binuclear complex containing an equatorial bromide ligand with acetone
inorganica chamica acta, 433, pages 45–51 (2014)
2 and the small electronic factor, κel, for direct outer-sphere cross reactions: Syntheses, crystal structures and redox behaviour of copper(II)/(i)-L2 complexes (L = 3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine)]]>
A. Yamada, T. Mabe, R. Yamane, K. Noda, Y. Wasada, M. Inamo, K. Ishihara, T. Suzuki, H. D. Takagi, Dalton Trans., 2015, 44(31), 13979–13990.
2014
Reduction Reaction of the Copper(II) Complex Bearing 1,3-Di(pyridine-2-carboxaldimino)propane (pitn) by Decamethylferrocene in AcetonitrileA. Yamada, Y. Watanabe, K Noda, S. Itoh, K. Ishihara, M. Inamo, R. M. Hassan, H. D. Takagi, Journal of Solution Chemistry,
Relative Kinetic Reactivities of Boronic Acids and Boronate Ions toward 1,2-Diols
European Journal of Inorganic Chemistry, Volume 2014, Issue 14, pages 2389–2395 (2014).
Syntheses, crystal structures and ligand field properties of Iron(II) complexes with PNP ligands: Origin of large ligand field by a phosphorous donor atom
T. Mabe, H. Yamaguchi, M. Fujiki, K. Noda, K. Ishihara, M. Inamo, R. M. Hassan, S. Iwatsuki, T. Suzuki, H. D. Takagi, Journal of Solution Chemistry, 2014, 43(9-10), 1574–1587.
Universal Reaction Mechanism of Boronic Acids with Diols in Aqueous Solution: Kinetics and the Basic Concept of a Conditional Formation Constant
Y. Furikado, T. Nagahata, T. Okamoto, T. Sugaya, S. Iwatsuki, M. Inamo, H. D. Takagi, A. Odani, K. Ishihara, Chem. Eur. J., 2014, 20(41), 13194–13209.
2013
Relative kinetic reactivity of boronic acid and boronate ion towards Tiron, 2,2′-biphenol, and propylene glycolDalton Trans., 42, 8446-8453 (2013)
2012
Crystal structure of a methanesulfonate salt of 4-(N-methyl)pyridinium boronic acidS. Iwatsuki, Y. Kanamitsu, H. Ohara, M. Kawahata, H. Danjo, K. Ishihara, X-ray Structure Analysis Online., 2012, 28(8), 63–64. Redox Reactions of Amidato-bridged cis-Diammineplatinum(III) Binuclear Complexes with Phenol
Eur. J. Inorg. Chem., 5571-5577 (2012)
Higher Reactivity of 3-Pyridinium Boronic Acid Compared to 3-Pyridinium Boronate Ion toward 4-Isopropyltropolone in Acidic Aqueous Solution: Fundamental Reaction Analyses for an Effective Organoboron-Based Chemosensor
Journal of Physical Organic Chemistry 25/,760-768 (2012)
A Crystal Structure of Methanesulfonate Salt of 4-(N-Methyl)pyridinium Boronic Acid
X-ray Structure Analysis Online 28/,63-64 (2012)
2011
Formation Mechanism of 2-Methyl-2-Buten-1,4-Diol and 2-Methyl-3-Buten-1,2-Diol from 2-Methyl-1,3-Butadiene on a Head-to-Head Pivalamidato-Bridged cis-Diammineplatinum(III)Binuclear ComplexDalton Trans., 40, 6998-7007 (2011).
Formation Mechanism of Head-to-Head Amidato-Bridged Acetonylplatinum(III) Binuclear Complexes: Kinetic Evidence for π-Coordination of the Enol Form of a Ketone in a Ligand Substitution Reaction
Eur. J. Inorg. Chem., 1930-1936 (2011).
2010
Relative Reactivity of Phenylboronic acid to Phenylboronate ion toward L-Lactate and Mandelate at Physiological pHInorg. Chem. Commun., 13, 1406-1409 (2010).
2008
Kinetic evidence for high reactivity of 3-nitrophenylboronic acid compared to Its conjugate boronate ion in reactions with ethylene and propylene glycolsInorg. Chem., 47, 1417-1419 (2008).
Optimization of conditions for the determination of boron by a ruthenium(II) complex having diol moiety: A mechanistic study
Talanta, 74, 533-538 (2008).
2007
Crystal structure of a methanesulfonate salt of 4-(N-methyl)pyridinium boronic acidCrystal structure of the pivalamidato-bridged platinum(II) dinuclear complex having equatorial α-pyridonate and dimethylsulfoxide ligands, [PtII 2(NH3)2(α-pyridonato)(dmso)(μ-(CH3)3CCONH)2](ClO4)S. Arai, M. Ochiai, K. Ishihara, K. Matsumoto, X-ray Structure Analysis Online., 2007, 23, 3.
Mixed-Valent Linear Chain Pt2PdPt2 Complexes
Eur. J. Inorg. Chem., 2031-2039 (2007).
1. Which is reactive in alkaline solution, boronate ion or boronic acid ? Kinetic evidence for reactive trigonal boronic acid in an alkaline solution
Inorg. Chem., 46, 354-356 (2007).
2006
195Pt NMR spectra of head-to-head and head-to-tail amidato-bridged platinum(III) dinuclear complexesIwatsuki, S., Isomura, E., Wada, A., Ishihara, K. & Matsumoto, European Journal of Inorganic Chemistry, 2006, 12, 2484-2490.
Isomerization reaction of head-to-head α-pyridonato-bridged ethylenediaminepalladium(II) binuclear complex, [Pd2(en) 2(C5H4NO)2]2+, in aqueous solution
Iwatsuki, S., Itou, T., Ito, H., Mori, H., Uemura, K., Yokomori, Y., Ishihara, K. & Matsumoto, K., Dalton Transactions., 2006, 12, 1497-1504.
Kinetics and mechanisms of the axial ligand substitution reactions of platinum(III) binuclear complexes with halide ions
Iwatsuki, S., Ishihara, K. & Matsumoto, K., Science and Technology of Advanced Materials., 2006, 7(5), 411-424.
Kinetic study of thermal Z to e isomerization reactions of azobenzene and 4-dimethvlaniino-4′-nitroazobenzene in Ionic Liquids [1-R-3- methyliniidazolium bis(trifluoromethylsulfonyl)imide with R = Butyl, Pentyl, and Hexyl]
Baba, K., Ono, H., Itoh, E., Itoh, S., Noda, K., Usui, T., Ishihara, K., Inamo, M., Takagi, H. D. & Asano, T. Chemistry - A European Journal., 2006, 21(20), 5328-5333.
2005
Direct kinetic measurements for the fast interconversion process between trigonal boronic acid and tetragonal boronate ion at low temperaturesMatsumura, T., Iwatsuki, S. & Ishihara, K. Inorganic Chemistry Communication., 2005, 8(8), 713-716.
Fast trigonal/tetragonal interconversion followed by slow chelate-ring closure in the complexation of boronic acids
Yamamoto, Y., Matsumura, T., Takao, N., Yamagishi, H., Takahashi, M., Iwatsuki, S. & Ishihara, K. Inorganica Chimica Acta. , 2005, 358, 3355-3361.
Precise investigation of the axial ligand substitution mechanism on a hydrogenphosphato-bridged lantern-type platinum(III) binuclear complex in acidic aqueous solution
Iwatsuki, S., Mizushima, C., Morimoto, N., Muranaka, S., Ishihara, K. & Matsumoto, K. Inorganic Chemistry , 2005, 44(22), 8097-8104.
Synthesis and reactivity of the macrobicyclic complexes (1,5,8,12-tetraaza-17-oxabicyclo[10.5.2]-nonadecane)cobalt(III) perchlorate ([Co(L1)(CIO4)]-(CIO4)2), [(chloro(1,4,8,11-tetraaza-17-oxabicyclo-[9.5.3]nonadecane)cobalt(III) perchlorate ([Co(L2)-(CI)](CIO4)2)
Rodopoulos, T., Ishihara, K., Rodopoulos, M., Zaworotko, M. J., Maeder, M. & McAuley, A. Canadian Journal of Chemistry, 2005, 83(6-7), 894-902.
Synthesis of aryl-platinum dinuclear complexes via ortho C-H bond activation of phenol and transmetalation of arylboronic acid
Ochiai, M., Fukui, K., Iwatsuki, S., Ishihara, K. & Matsumoto, K. Organometallics, 2005, 24(23), 5528-5536.
2004
Electron transfer reactions between copper(II) porphyrin complexes and various oxidizing reagents in acetonitrileInamo, M., Kumagai, H., Harada, U., Itoh, S., Iwatsuki, S., Ishihara, K. & Takagi, H. D., Dalton Transactions, 2004, 11, 1703-1707.
Mechanism of the Axial Ligand Substitution Reactions on the Head-to-Tail α-Pyridonato-Bridged cis-Diammineplatinum(III) Dinuclear Complex with Olefins
Arime, M., Ishihara, K. & Matsumoto, K., Inorganic Chemistry., 2004, 43(1), 309-316.
Oxidation reaction of [Ni(1,4,7-triazacyclononane)2] 2+ by [Fe(o-phenanthroline)3]3+ in aqueous acidic solution at elevated pressures: Determination of the activation and reaction volumes for the Ni(III)/(II) couple
Itoh, S., Koshino, N., Katsuki, M., Noda, T., Ishihara, K., Inamo, M. & Takagi, H. D., Dalton Transactions., 2004, 12, 1862-1866.