Koji Ishihara

2022

Detailed Reaction Mechanism of Bis-(o-Aminomethylphenylboronic Acid)-based Receptors with Various Length Methylene-chain Linkers with D-Glucose

Ohno, Y., Tanaka, R., Suzuki, Y., Sugaya, T., Iwatsuki, S., Inamo, M. & Ishihara, K., 2022 8月 5, In: ChemistrySelect. 7, 29, e202200603.

研究成果 › 査読

2021

Colorimetric and fluorometric determination of boron using β-diketone–BF₂ compounds containing catechol moiety

Sobue, Y., Imanishi, I., Sugaya, T., Iwatsuki, S., Inamo, M. & Ishihara, K., 2021 12月, In: Talanta Open. 4, 100076.

研究成果: Article › 査読

Open Access

2020

Decomposition and isomerization mechanisms of head-to-head α-pyridonato-bridged ethylenediamineplatinum(II) binuclear complex, [Pt₂(en)₂(C₅H₄NO)₂]²⁺, in aqueous solution

Ito, Y., Yamashima, K., Arai, S., Takahashi, M., Itou, T., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2020 12月 1, In: Inorganica Chimica Acta. 513, 119934.

研究成果: Article › 査読

1 被引用数 (Scopus)

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

Suzuki, Y., Ikeda, A., Ohno, K., Fujihara, T., Sugaya, T. & Ishihara, K., 2020 8月 7, In: Journal of Organic Chemistry. 85, 15, p. 9680-9693 14 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

Reactivity of Boronic Acids toward Catechols in Aqueous Solution

Suzuki, Y., Kusuyama, D., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2020 4月 17, In: Journal of Organic Chemistry. 85, 8, p. 5255-5264 10 p.

研究成果: Article › 査読

17 被引用数 (Scopus)

2019

Detailed Reaction Mechanisms of 4-Pyridylboronic Acid and (N-Methyl)-4-Pyridinium Boronic Acid with D-Sorbitol in Aqueous Solution

Kusuyama, D., Samukawa, Y., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2019 5月 8, In: ChemistrySelect. 4, 17, p. 4944-4951 8 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Highly Selective Aluminum(III) Ion Sensing with Luminescent Iridium(III) Complexes Bearing a Distorted 2,2′-Bipyridine-3,3′-diol Moiety Utilizing a Rigidified Seven-Membered Chelate Ring

Suzuki, Y., Mizuno, I., Tabei, Y., Fujioka, Y., Shinozaki, K., Sugaya, T. & Ishihara, K., 2019 8月 5, In: Inorganic Chemistry. 58, 15, p. 9663-9671 9 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

2018

Axial ligand substitution reactions of head-to-head α-pyridonato-bridged Pt(III) binuclear complexes bearing various equatorial ligands with chloride ion and olefin

Kusuhara, S., Kojima, K., Suzuki, Y., Morita, Y., Sugaya, T., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2018 7月 15, In: Journal of Molecular Liquids. 262, p. 556-564 9 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Behavior of Ionic Liquids Around Charged Metal Complexes: Investigation of Homogeneous Electron Transfer Reactions Between Metal Complexes in Ionic Liquids

Mabe, T., Doseki, F., Yagyu, T., Ishihara, K., Inamo, M. & Takagi, H. D., 2018 6月 1, In: Journal of Solution Chemistry. 47, 6, p. 993-1020 28 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

2017

Axial-ligand substitution reactions of a head-to-head pivalamidato-bridged Pt(III) binuclear complex bearing equatorial bromide ligands: A mechanistic study

Terada, T., Kamezaki, Y., Nakamura, R., Sugaya, T., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2017, In: Inorganica Chimica Acta. 467, p. 391-399 9 p.

研究成果: Article › 査読

4 被引用数 (Scopus)

Detailed Reaction Mechanism of Phenylboronic Acid with Alizarin Red S in Aqueous Solution: Re-Investigation with Spectrophotometry and Fluorometry

Suzuki, Y., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D., Odani, A. & Ishihara, K., 2017 4月 3, In: ChemistrySelect. 2, 10, p. 2956-2964 9 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

2016

Detailed Mechanism of the Reaction of Phenylboronic Acid Derivatives with D-Fructose in Aqueous Solution: A Comprehensive Kinetic Study

Suzuki, Y., Shimizu, M., Okamoto, T., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D., Odani, A. & Ishihara, K., 2016 10月 1, In: ChemistrySelect. 1, 16, p. 5141-5151 11 p.

研究成果: Article › 査読

10 被引用数 (Scopus)

Reaction mechanism of diphenylborinic acid with d-fructose in aqueous solution

Sobue, Y., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D., Odani, A. & Ishihara, K., 2016 5月 1, In: Journal of Molecular Liquids. 217, p. 29-34 6 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

2015

Axial ligand effect on the reaction mechanism of head-to-head pivalamidato-bridged Pt(III) binuclear complex containing an equatorial bromide ligand with acetone

Kishi, M., Terada, T., Kuraishi, Y., Sugaya, T., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2015 5月 19, In: Inorganica Chimica Acta. 433, p. 45-51 7 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Crystal structure of [5-bromo-2-(pyridin-2-yl-κN)phenyl-κC ¹](pentane-2,4-dionato-κ ² O,O′)platinum(II)

Fukuda, K., Sugaya, T. & Ishihara, K., 2015, In: Acta Crystallographica Section E: Crystallographic Communications. 71, p. 1259-1261 3 p.

研究成果: Article › 査読

Open Access

Flipping of the coordinated triazine moiety in Cu(i)-L₂ and the small electronic factor, κ_el, 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)

Yamada, A., Mabe, T., Yamane, R., Noda, K., Wasada, Y., Inamo, M., Ishihara, K., Suzuki, T. & Takagi, H. D., 2015 6月 19, In: Dalton Transactions. 44, 31, p. 13979-13990 12 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

2014

Reduction reaction of the Copper(II) complex bearing 1,3-Di(pyridine-2-carboxaldimino)propane (pitn) by Decamethylferrocene in Acetonitrile

Yamada, A., Watanabe, Y., Noda, K., Itoh, S., Ishihara, K., Inamo, M., Hassan, R. M. & Takagi, H. D., 2014 10月 21, In: Journal of Solution Chemistry. 43, 9-10, p. 1479-1486 8 p.

研究成果: Article › 査読

Relative kinetic reactivities of boronic acids and boronate ions toward 1,2-diols

Okamoto, T., Tanaka, A., Watanabe, E., Miyazaki, T., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D., Odani, A. & Ishihara, K., 2014 5月, In: European Journal of Inorganic Chemistry. 14, p. 2389-2395 7 p.

研究成果: Article › 査読

17 被引用数 (Scopus)

Syntheses, crystal structures and ligand field properties of Iron(II) complexes with PNP ligands: Origin of large ligand field by a phosphorous donor atom

Mabe, T., Yamaguchi, H., Fujiki, M., Noda, K., Ishihara, K., Inamo, M., Hassan, R. M., Iwatsuki, S., Suzuki, T. & Takagi, H. D., 2014 10月 21, In: Journal of Solution Chemistry. 43, 9-10, p. 1574-1587 14 p.

研究成果: Article › 査読

Universal Reaction Mechanism of Boronic Acids with Diols in Aqueous Solution: Kinetics and the Basic Concept of a Conditional Formation Constant

Furikado, Y., Nagahata, T., Okamoto, T., Sugaya, T., Iwatsuki, S., Inamo, M., Takagi, H. D., Odani, A. & Ishihara, K., 2014 10月 1, In: Chemistry - A European Journal. 20, 41, p. 13194-13202 9 p.

研究成果: Article › 査読

70 被引用数 (Scopus)

2013

Relative kinetic reactivity of boronic acid and boronate ion towards Tiron, 2,2′-biphenol, and propylene glycol

Watanabe, E., Miyamoto, C., Tanaka, A., Iizuka, K., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2013 6月 21, In: Dalton Transactions. 42, 23, p. 8446-8453 8 p.

研究成果: Article › 査読

22 被引用数 (Scopus)

2012

Crystal structure of a methanesulfonate salt of 4-(N-methyl)pyridinium boronic acid

Iwatsuki, S., Kanamitsu, Y., Ohara, H., Kawahata, M., Danjo, H. & Ishihara, K., 2012, In: X-ray Structure Analysis Online. 28, 8, p. 63-64 2 p.

研究成果: Article › 査読

Open Access

3 被引用数 (Scopus)

Fundamental Study on the Reactivity of 4-Pyridylboronic Acid Derivatives with Strong Acidities

Iwatsuki, S., Ohara, H., Kanamitsu, Y. & Ishihara, K., 2012, In: BUNSEKI KAGAKU. 61, 12, p. 1041-1047 7 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Higher reactivity of 3-pyridinium boronic acid compared with 3-pyridinium boronate ion toward 4-isopropyltropolone in acidic aqueous solution: Fundamental reaction analyses for an effective organoboron-based chemosensor

Iwatsuki, S., Kanamitsu, Y., Ohara, H., Watanabe, E. & Ishihara, K., 2012 9月, In: Journal of Physical Organic Chemistry. 25, 9, p. 760-768 9 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Redox reactions of amidato-bridged cis-diammineplatinum(III) dinuclear complexes with phenol

Hyodo, S., Kishi, M., Fukushima, H., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2012 11月, In: European Journal of Inorganic Chemistry. 33, p. 5571-5577 7 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

2011

A crystal structure of methanesulfonate salt of 3-(N-methyl)pyridinium boronic acid

Iwatsuki, S., Kanamitsu, Y., Danjo, H. & Ishihara, K., 2011, In: X-ray Structure Analysis Online. 27, 10, p. 61-62 2 p.

研究成果: Article › 査読

Open Access

4 被引用数 (Scopus)

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 complex

Nagashima, J., Shimazaki, K., Sekiya, H., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2011 7月 14, In: Dalton Transactions. 40, 26, p. 6998-7007 10 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

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

Fukushima, H., Mori, H., Arime, M., Iwatsuki, S., Ishihara, K. & Matsumoto, K., 2011 4月, In: European Journal of Inorganic Chemistry. 12, p. 1930-1936 7 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

2010

Relative reactivity of phenylboronic acid to phenylboronate ion toward L-lactate and mandelate at physiological pH

Watanabe, E., Fujii, J., Kojima, K., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2010 12月, In: Inorganic Chemistry Communications. 13, 12, p. 1406-1409 4 p.

研究成果: Article › 査読

16 被引用数 (Scopus)

2008

Kinetic evidence for high reactivity of 3-nitrophenylboronic acid compared to its conjugate boronate ion in reactions with ethylene and propylene glycols

Miyamoto, C., Suzuki, K., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2008 3月 3, In: Inorganic Chemistry. 47, 5, p. 1417-1419 3 p.

研究成果: Article › 査読

32 被引用数 (Scopus)

Optimization of conditions for the determination of boron by a ruthenium(II) complex having diol moiety: A mechanistic study

Nakano, E., Iwatsuki, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2008 1月 15, In: Talanta. 74, 4, p. 533-538 6 p.

研究成果: Article › 査読

12 被引用数 (Scopus)

2007

Mixed-valent linear chain Pt₂PdPt₂ complexes

Arai, S., Ochiai, M., Ishihara, K. & Matsumoto, K., 2007, In: European Journal of Inorganic Chemistry. 14, p. 2031-2039 9 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

Which is reactive in alkaline solution, boronate ion or boronic acid? Kinetic evidence for reactive trigonal boronic acid in an alkaline solution

Iwatsuki, S., Nakajima, S., Inamo, M., Takagi, H. D. & Ishihara, K., 2007 1月 22, In: Inorganic Chemistry. 46, 2, p. 354-356 3 p.

研究成果: Article › 査読

52 被引用数 (Scopus)

2006

¹⁹⁵Pt NMR spectra of head-to-head and head-to-tail amidato-bridged platinum(III) dinuclear complexes

Iwatsuki, S., Isomura, E., Wada, A., Ishihara, K. & Matsumoto, K., 2006 6月 19, In: European Journal of Inorganic Chemistry. 12, p. 2484-2490 7 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

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., 2006, In: Dalton Transactions. 6, 12, p. 1497-1504 8 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

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., 2006 7月 5, In: Chemistry - A European Journal. 12, 20, p. 5328-5333 6 p.

研究成果: Article › 査読

52 被引用数 (Scopus)

2005

Direct kinetic measurements for the fast interconversion process between trigonal boronic acid and tetragonal boronate ion at low temperatures

Matsumura, T., Iwatsuki, S. & Ishihara, K., 2005 8月, In: Inorganic Chemistry Communication. 8, 8, p. 713-716 4 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

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., 2005 8月 1, In: Inorganica Chimica Acta. 358, 12, p. 3355-3361 7 p.

研究成果: Article › 査読

35 被引用数 (Scopus)

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., 2005 10月 31, In: Inorganic Chemistry. 44, 22, p. 8097-8104 8 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

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., 2005 6月 1, In: Canadian Journal of Chemistry. 83, 6-7, p. 894-902 9 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

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., 2005 11月 7, In: Organometallics. 24, 23, p. 5528-5536 9 p.

研究成果: Article › 査読

29 被引用数 (Scopus)

2004

Electron transfer reactions between copper(II) porphyrin complexes and various oxidizing reagents in acetonitrile

Inamo, M., Kumagai, H., Harada, U., Itoh, S., Iwatsuki, S., Ishihara, K. & Takagi, H. D., 2004 6月 7, In: Dalton Transactions. 11, p. 1703-1707 5 p.

研究成果: Article › 査読

20 被引用数 (Scopus)

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., 2004 1月 12, In: Inorganic Chemistry. 43, 1, p. 309-316 8 p.

研究成果: Article › 査読

20 被引用数 (Scopus)

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., 2004 6月 21, In: Dalton Transactions. 12, p. 1862-1866 5 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

2003

Kinetic study of the complex formation of boric and boronic acids with mono- and diprotonated ligands

Ito, H., Kono, Y., Machida, A., Mitsumoto, Y., Omori, K., Nakamura, N., Kondo, Y. & Ishihara, K., 2003 2月 20, In: Inorganica Chimica Acta. 344, p. 28-36 9 p.

研究成果: Article › 査読

36 被引用数 (Scopus)

Mechanism of ketone and alcohol formations from alkenes and alkynes on the head-to-head 2-pyridonato-bridged cis-diammineplatinum(III) dinuclear complex

Saeki, N., Nakamura, N., Ishibashi, T., Arime, M., Sekiya, H., Ishihara, K. & Matsumoto, K., 2003 3月 26, In: Journal of the American Chemical Society. 125, 12, p. 3605-3616 12 p.

研究成果: Article › 査読

32 被引用数 (Scopus)

Mechanisms of the axial ligand substitution reactions of dinuclear, Head-to-Head α-pyrrolidonato- and pivalamidato-bridged cis-diammineplatinum(III) complexes with halide ions

Shimazaki, K., Sekiya, H., Inoue, H., Saeki, N., Ishihara, K. & Matsumoto, K., 2003 5月, In: European Journal of Inorganic Chemistry. 9, p. 1785-1793 9 p.

研究成果: Article › 査読

16 被引用数 (Scopus)

2001

Kinetic and equilibrium study on the axial-ligand substitution reaction of the head-to-tail α-pyridonate-bridged cis-diammineplatinum(III) dinuclear complex: Trans effect of the axial ligand through the Pt-Pt bond to the opposite axial ligand

Saeki, N., Hirano, Y., Sasamoto, Y., Sato, I., Toshida, T., Ito, S., Nakamura, N., Ishihara, K. & Matsumoto, K., 2001, In: European Journal of Inorganic Chemistry. 8, p. 2081-2088 8 p.

研究成果: Article › 査読

12 被引用数 (Scopus)

Kinetics and mechanisms of the axial ligand substitution reaction of the head-to-head 2-pyridonato-bridged cis-Diammineplatinum(III) dinuclear complex

Saeki, N., Hirano, Y., Sasamoto, Y., Sato, I., Toshida, T., Ito, S., Nakamura, N., Ishihara, K. & Matsumoto, K., 2001 5月, In: Bulletin of the Chemical Society of Japan. 74, 5, p. 861-868 8 p.

研究成果: Article › 査読

21 被引用数 (Scopus)

1999

Mechanistic study on the reaction of boronic acids with H-resorcinol

Takao, N., Suto, A., Kondo, Y. & Ishihara, K., 1999 7月 15, In: Inorganica Chimica Acta. 290, 2, p. 222-227 6 p.

研究成果: Article › 査読

12 被引用数 (Scopus)

石原 浩二

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石原浩二