Research achievements

Student awards

Students' awards are shown here.

Publication

2023

Dynamic behavior and alkyne insertion reactions of alkenyl- and thiolate-bridged diiron carbonyl complexes
Chisato Murata, Kyohei Kobayashi, Hiroshi Nakajima, Isamu Kinoshita, Sakie Sakai, Masakazu Hirotsu
J. Organomet. Chem. 2023. DOI:10.1016/j.jorganchem.2023.122766
Collaborative work with Prof. Masakazu Hirotsu

2022

Red-light responsive photoCORM activated in aqueous acid solution
Natsuo Nomura, Seiya Tanaka, Masakazu Hirotsu, Takanori Nishioka, Hiroshi Nakajima
J. Organomet. Chem. 2022. DOI:10.1016/j.jorganchem.2022.122578


DOPAnization of tyrosine in α-synuclein by tyrosine hydroxylase leads to the formation of oligomers
Mingyue Jin, Sakiko Matsumoto, Takashi Ayaki, Hodaka Yamakado, Tomoyuki Taguchi, Natsuko Togawa, Ayumu Konno, Hirokazu Hirai, Hiroshi Nakajima, Shoji Komai, Ryuichi Ishida, Syuhei Chiba, Ryosuke Takahashi, Toshifumi Takao, Shinji Hirotsune
Nature Commun. 2022, 13, 6880. DOI:10.1038/s41467-022-34555-4
Collaborative work with Prof. Shinji Hirotsune in Dept. Genetic Disease Research, Osaka Metropolitan Univ.


Radical mediated rapid In vitro formation of c-type cytochrome
Sheikh Muhammad Ibrahim,Sami Ben Aoun,Hiroshi Nakajima, Fethi Kooli and Yoshihito Watanabe
BIomolecules 2022, 12, 1329. DOI:10.3390/BIOM12101329
Collaborative work with Dr. Sheikh Muhammad Ibrahim and Prof. Sami Ben Aoun

2021

Electronic and steric impact of bis-NHC ligands on reactions of Pt3S2 cores in trinuclear complexes bearing bis-NHC ligands with various lengths of alkylene bridges
Natsuki Yabune, Hiroshi Nakajima and Takanori Nishioka
Dalton Trans. 2021, 50, 12079-12082. DOI:10.1039/D1DT02747F


Synthesis of iron(III)-carbonyl complex with variable wavelength range for CO release depending on protonation and deprotonation of axial phosphorous ligands
SeiyaTanaka, NatsuoNomura, Takanori Nishioka, Masakazu Hirotsu, HiroshivNakajima
J. Organomet. Chem. 2021, 21, 121843-52. DOI:10.1016/j.jorganchem.2021.121843


Use of a Ferritin L134P Mutant for the Facile Conjugation of Prussian Blue in the Apoferritin Cavity
Yuta IkenoueYuta Ikenoue, Yuhei O. Tahara, Makoto Miyata, Takanori Nishioka, Shigetoshi Aono, Hiroshi Nakajima*
Inorg. Chem. 2021, 60, 4693-4704. DOI:10.1021/acs.inorgchem.0c03660

2020

Metal-metal bond formation of triplatinum cores with a silver(i) ion affording a heptanuclear cluster bearing four Pt-Ag bonds
Natsuki Yabune, Hiroshi Nakajima, Takanori Nishioka
Dalton. Trans. 2020, 49, 7680-3. DOI:10.1039/d0dt01227k

2019

Reduction-triggered Ligand Dissociation of Trinuclear Complex Bearing Three Kinds of Metal-ligand Units
Natsuki Yabune, Ryosuke Monju, Hiroshi Nakajima, Takanori Nishioka
Chem. Lett. 2019, 48, 1511-14. DOI:10.1246/cl.190707

2018

CO Release from N,C,S-Pincer Iron(III) Carbonyl Complexes Induced by Visible-to-NIR Light Irradiation: Mechanistic Insight into Effects of Axial Phosphorus Ligands
Toyotaka Nakae, Masakazu Hirotsu, Hiroshi Nakajima
Inorg. Chem. 2018, 57, 8615-26. DOI:10.1021/acs.inorgchem.8b01407

2017

Sugar-incorporated chelating bis-N-heterocyclic carbene palladium complexes. Synthesis, structures and catalytic ability for Suzuki-Miyaura cross-coupling reactions in water
Yosuke Imanaka, Keita Nakao, Yuri Maeda, Takanori Nishioka
Bull. Chem. Soc. Jpn. 2017, 90, 1050-57. DOI:10.1246/bcsj.20170082
Selected for a BCSJ 'Selectd Paper'


Carbon–Sulfur Bond Cleavage Reactions of Quinolyl-Substituted Thiophenes with Iron Carbonyls
Takumi Matsunaga, Isamu Kinoshita, Masakazu Hirotsu
Organometallics, 36, 2228-36. DOI:10.1021/acs.organomet.7b00280


The Arrangement of Two N-Heterocyclic Carbene Moieties in Palladium Pincer Complexes Affects Their Catalytic Activity towards Suzuki-Miyaura Cross-Coupling Reactions in Water
Yosuke Imanaka, Naotoshi Shiomoto, Mako Tamaki, Yuri Maeda, Hiroshi Nakajima, and Takanori Nishioka
Bull. Chem. Soc. Jpn. 2017, 90, 59-67. DOI:10.1246/bcsj.20160300
Selected for a BCSJ Award Article

2016

Visible-light-induced release of CO by thiolate iron(III) carbonyl complexes bearing N,C,S-pincer ligands
Toyotaka Nakae, Masakazu Hirotsu, Shigetoshi Aono and Hiroshi Nakajima,
Dalton Trans. 2016, 45, 16153-16156. DOI:10.1039/C6DT03399G

Fluorescence behaviour of an anthracene-BODIPY system affected by spin states of a dioxolene-cobalt centre
Koichi Katayama, Masakazu Hirotsu, Akitaka Ito and Yoshio Teki,
Dalton Trans. 2016, 45, 10165-10172. DOI:10.1039/C6DT00864J
Selected for the inside front cover page

Y. Watanabe, H. Nakajima, Creation of a Thermally Tolerant Peroxidase.
In Vincent L. Pecoraro, editor: Peptide, Protein and Enzyme Design, Vol 580, MIE, UK: Academic Press, 2016, pp. 455-470.
ISBN: 978-0-12-805380-5

2015

Effect of Nitric Oxide on VnfA, a transcriptional activator of VFe-nitrogenase in Azotobacter vinelandii.
Y. Miura, K. Yoshimitsu, N. Takatani, Y. Watanabe, H. Nakajima, J. Biochem. 2015, 157, 365-375. DOI:10.1093/jb/mvu083

Construction of an enterobactin analogue with symmetrically arranged monomer subunits of ferritin.
H. Nakajima, M. Kondo, T. Nakane, S. Abe, T. Nakao, Y. Watanabe, T. Ueno, Chem. Commun. 2015, 51, 16609-16612. DOI:10.1039/c5cc06904a
Selected for the inside front cover page

Syntheses and Catalytic Ability of Sugar-Incorporated N-Heterocyclic Carbene Pincer Pd Complexes Possessing Various N-Substituents.
Y. Imanaka, H. Hashimoto, T. Nishioka, Bull. Chem. Soc. Jpn. 2015, 88, 1135-1143. DOI:10.1246/bcsj.20150083

Formation of Acyl and Dioxycarbene Ruthenium Complexes via Double C–S Bond Cleavage and CO Insertion.
K. Santo, M. Hirotsu, K. Kawamoto, T. Nishioka, I. Kinoshita, Bull. Chem. Soc. Jpn. 2015, 88, 613-615. DOI:10.1246/bcsj.20140379

Redox properties and catalytic ability toward electrochemical proton reduction of sulfur bridged trinuclear Mo3S4 complexes containing acetate, trifluoroacetate, and/or dithiophosphate as bridging ligands.
K. Kawamoto, A. Ichimura, H. Hashimoto, I. Kinoshita, M. Hirotsu, T. Nishioka, Bull. Chem. Soc. Jpn. 2015, 88, 565-571. DOI:10.1246/bcsj.20140364

Chelated Bis-N-heterocyclic Carbene Platinum and Palladium Units as Tunable Components of Multinuclear Complexes.
Y. Maeda, H. Hashimoto, I. Kinoshita, T. Nishioka, Inorg. Chem. 2015, 54, 448-459. DOI:10.1021/ic502039d

Syntheses and redox properties of complexes with Mo3S4 cores and tridentate Schiff base ligands.
K. Kawamoto, A. Ichimura, H. Hashimoto, H. I. Kinoshita, T. Nishioka, Bull. Chem. Soc. Jpn. 2015, 88, 292-299. DOI:10.1246/bcsj.20140275

Di- and Mononuclear Iron Complexes of N,C,S-Tridentate Ligands Containing an Aminopyridyl Group: Effect of the Pendant Amine Site on Catalytic Properties for Proton Reduction
T. Nakae, M. Hirotsu, I. Kinoshita., Organometallics 2015, 34, 3988-3997. DOI:10.1021/acs.organomet.5b00366

Formation, reactivity and redox properties of carbon- and sulfur-bridged diiron complexes derived from dibenzothienyl Schiff bases: effect of N,N- and N,P-chelating moieties
K. Santo, M. Hirotsu, I. Kinoshita, Dalton Trans. 2015, 44, 4155-4166. DOI:10.1039/c4dt03422h

Key Papers of Prof. Nakajima before 2014

"Effect of Nitric Oxide on VnfA, a Transcriptional Activator of Nitrogenase-2 in Azotobacter vinelandii,
Nakajima H.,Yoshimitsu K., Miura Y., Watanabe, Y.,
J Inorg Biochem, 19, S227-S227, 2014"

"Conversion of readout from transcriptional regulator by electron transfer proteins,
Nakajima H., Miyazaki S., Itoh T., Watanabe Y.,
J Inorg Biochem, 19, S749-S749, 2014"

"Azurin-DNA Conjugate with Binding Motif of a Transcriptional Regulator, CooA: CO Dependent Modulation of Electron Transfer Reaction,
Nakajima H., Miyazaki S., Itoh T., Hayamura M. Watanabe Y.,
Chem. Lett., 43, 1204-1206, 2014"

"Thermodynamic effects of the alteration of the axial ligand on the unfolding of the thermostable cytochrome c.
Rabindra KB., Nakajima H., Jitumani R., Watanabe Y., Mazumdar S.,
Biochemistry, 52, 1373-1384, 2013"

"Cytochrome c552 from Thermus Thermophilus Engineered for Facile Conversion of the Prosthetic Group.
Ibrahim Sk. Md., Nakajima H., Ramanathan K., Takatani N., Ohta T., Naruta Y., Watanabe Y.,
Biochemistry, 50, 9826-9835, 2011"

" Protein Photoconductors and Photodiodes.
Tokita Y., Yamada S., Luo W., Goto Y., Ford N., Nakajima H., Watanabe Y.,
Angew. Chem. Int. Ed., 50, 11663-11666, 2011"

"The role of the GAF and central domains of the transcriptional activator VnfA in Azotobacter vinelandii.
Yoshimitsu K., Takatani N., Kanematsu Y., Miura Y., Watanabe Y., Nakajima H.,
FEBS J, 278, 3287-3297, 2011"

" Molecular Design of Heme Proteins for Future Application.
Nakajima H., Shoji O., Watanabe Y.,
Catal. Surv. Asia, 15, 134-143, 2011"

"The role of Fe-S cluster in the sensory domain of nitrogenase transcriptional activator VnfA Azotobacter vinelandii.
Nakajima H., Takatani N., Yoshimitsu K., Itoh M., Aono S., Takahashi Y., Watanabe Y.,
FEBS J., 277, 817-832, 2010"

"Rational engineering of Thermus thermophilus Cytochrome c552 to thermally tolerant artificial peroxidase.
Nakajima H., Ramanathan R., Kawaba N., Watanabe Y.,
J. Chem. Soc. Dalton Trans., 39, 3105-3114, 2010"

"Functional analysis of vanadium nitrogenase regulating protein in Azotobacter vinelandii,
Nakajima H., Takatani N., Yoshimitsu K., Aono S., Watanabe Y.,
J Inorg Biochem, 14, S171-S171, 2009"

"Nitrogenase transcriptional activator, VnfA: identification of signal molecule by using in vivo activity assay,
Yoshimitsu K., Takatani N., Nakajima H., Aono S., Watanabe Y.,
J Inorg Biochem, 14, S171-S171, 2009"

"Azurin-poly(N-isopropylacrylamide) conjugates by site-directed mutagenesis and their thermo-responsive behabior in electron transfer process,
Ozawa S., Nakajima H., Takatani N., Watanabe Y., Rosenberger N., Studer A.,
J Inorg Biochem, 14, S152-S152, 2009"

"Azurin-Poly(N-isopropylacrylamide) Conjugates by Site-Directed Mutagenesis and their Temperature Dependent Behavior in Electron Transfer Processes.
Rosenberger N., Studer A., Takatani N., Nakajima H., Watanabe Y.,
Angew. Chem. Int. Ed., 48, 1946-1949, 2009"

"Engineering of Thermus thermophilus Cytochrome c552: Thermally Tolerant Artificial Peroxidase.
Nakajima H., Ichikawa Y., Satake Y., Takatani N., Manna SK., Rajbongshi J., Mazumdar S., Watanabe Y.,
ChemBioChem, 9, 2954-2957, 2008"

"Mechanism of Intermolecular electron Transfer in the Photoexcited Zn-Substituted Cytochrome c: Theoretical and Experimental Perspective.
Tokita Y., Shimura J., Nakajima H., Goto Y., Watanabe Y.,
J. Am. Chem. Soc., 130, 5302-5310, 2008"

"Purification and structural analysis of Vanadium Nitrogenase activator in Azotobactor Vinelandii,
Nakajima H., Takatani N., Itoh M., Aono S., Watanabe Y.,
J Inorg Biochem, 12, S66-S66, 2007"

"Incorporation of a phebox rhodium complex into apo-myoglobin affords a stable organometallic protein showing unprecedented arrangement of the complex in the cavity.
Satake Y., Abe S., Okazaki S., Ban N., Hikage T., Ueno T., Nakajima H., Suzuki A., Yamane T., Nishiyama H., and Watanabe Y.,
Organometallics, 26, 4904-4908, 2007"

"Design of artificial metalloenzymes using non-covalent insertion of a metal complex into a protein scaffold.
Ueno T., Koshiyama T., Abe S., Yokoi N., Ohashi M., Nakajima H., Watanabe Y.,
J Organomet Chem, 692, 142-147, 2007"

"Hydrogen peroxide dependent monooxygenations by tricking the substrate recognition of cytochrome P450(BSb).
Shoji O., Fujishiro T., Nakajima H., Kim M., Nagano S., Shiro Y. and Watanabe Y.,
Angew Chem Int Ed, 46, 3656-3659, 2007"

"Reactivities of oxo and peroxo intermediates studied by hemoprotein mutants.
Watanabe Y., Nakajima H., Ueno T.,
Acc Chem Res, 40, 554-562, 2007"

"Design and structure analysis of artificial metalloproteins: Selective coordination of his64 to copper complexes with square-planar structure in the apo-myoglobin scaffold.
Abe S., Ueno T., Reddy P. A. N., Okazaki S., Hikage T., Suzuki A., Yamane T., Nakajima H. and Watanabe Y.,
Inorg Chem, 46, 5137-5139, 2007"

"Characterization of peroxide bound heme species generated in reaction of thermally tolerant cytochrome c552 with hydrogen peroxide.
Ichikawa Y., Nakajima H., Watanabe Y.,
ChemBioChem, 7, 1582-1589, 2006"

"Effect of mutation on the dissociation and recombination dynamics of CO in transcriptional regulator CooA: A picosecond infrared transient absorption study.
Zhang TQ., Rubtsov IV., Nakajima H., Aono S., Yoshihara K.,
Biochemistry, 45, 9246-9253, 2006"

"Design of metal cofactors activated by a protein-protein electron transfer system.
Ueno T., Yokoi N., Unno M., Matsui T., Tokita Y., Yamada M., Ikeda-Saito M., Nakajima H., Watanabe Y.,
Proc Nat Acad Sci USA, 103, 9416-9421, 2006"

"Reversible and Regioselective Reaction of La@C82 with Cyclopentadiene,
Maeda Y., Miyashita J., Hasegawa T., Wakahara T., Tsuchiya T., Nakahodo S., Akasaka. T., Mizorogi N., Kobayashi K., Nagase S., Kato T., Ban T., Nakajima H., Watanabe Y.,
J. Am. Chem. Soc., 127, 12190-12191, 2005"

"Spectroscopic and redox properties of a CooA homologue from Carboxydothermus hydrogenoformans.
Inagaki S., Masuda C., Akaishi T., Nakajima H., Yoshioka S., Ohta T., Pal B., Kitagawa T., Aono S.,
J Biol Chem, 280, 3269-3274, 2005"

"Resonance Raman and ligand-binding analysis of the oxygen-sensing signal transducer protein HemAT from Bacillus subtilis.
Aono S., Nakajima H., Ohta T., Kitagawa T.,
Methods Enzymol, 381, 618-628, 2004"

"Oxygen-sensing and signal transduction by the heme-based sensor protein HemAT-Bs,
Aono S., Iwabuchi T., Nakajima H., Ohta T., Kitagawa T.,
J Inorg Biochem, 96, 16-16, 2003"

"Characterization of heme environmental structure of cytoglobin, a fourth globin in human.
Sawai H., Kawada N., Yoshizato K., Nakajima H., Aono S., Mizutani Y., Shiro Y.,
J Inorg Biochem, 96, 224-224, 2003"

"Characterization of the heme environmental structure of cytoglobin, a fourth globin in humans.
Sawai H., Kawada N., Yoshizato K., Nakajima H., Aono S., Shiro Y.,
Biochemistry, 42, 5133-5142, 2003"

"Resonance Raman and ligand binding studies of the oxygen-sensing signal transducer protein HemAT from Bacillus subtilis.
Aono S., Kato T., Matsuki M., Nakajima H., Ohta T., Uchida T., Kitagawa T.,
J Biol Chem, 277, 13528-13538, 2002"

"EXAFS analysis for heme ligands in CO-dependent transcriptional activator CooA.
Nakajima H., Nakagawa E., Aono S., Park SY., Miyatake H., Shiro Y.,
J Inorg Biochem, 86, 355-355, 2001"

"Redox properties and coordination structure of the heme in the CO-sensing transcriptional activator CooA.
Nakajima H., Honma Y., Tawara T., Kato T., Park SY., Miyatake H., Shiro Y., Aono S.,
J Biol Chem, 276, 7055-7061, 2001"

"Ligand-switching intermediates for the CO-sensing transcriptional activator CooA measured by pulse radiolysis.
Nakajima H., Nakagawa E., Kobayashi K., Tagawa S., Aono S.,
J Biol Chem, 276, 37895-37899, 2001"

"Conformational dynamics of the transcriptional regulator CooA protein studied by subpicosecond mid-infrared vibrational spectroscopy.,
Rubtsov IV., Zhang TQ., Nakajima H., Aono S., Rubtsov GI., Kumazaki S., Yoshihara K.,
J Am Chem Soc, 123, 10056-10062, 2001"

" Binding of CO at the Pro(2) side is crucial for the activation of CO-sensing transcriptional activator CooA - 1H-NMR spectroscopic studies.
Yamamoto K., Ishikawa H., Takahashi S., Ishimori K., Morishima I., Nakajima H., Aono S.,
J Biol Chem, 276, 11473-11476, 2001"

"CO sensing and regulation of gene expression by the transcriptional activator CooA.
Aono S., Honma Y., Ohkubo K., Tawara T., Kamiya T., Nakajima H.,
J Inorg Biochem, 82, 51-56, 2000"

Key papers of Prof. Nishioka before 2014

Removal of Two Hydrogen Atoms from Ketones or Aldehyde: Reaction of a Sulfur-Bridged Incomplete Cubane-Type Molybdenum Cluster with Acetone, Acetaldehyde, Acetylacetone, Ethyl acetoacetate, and Acetophenone.
Shibahara, T.; Kawamoto, K.; Matsuura, A.; Takagi, H.; Nishioka, T.; Kinoshita, I.; Akashi, H.
Bull. Chem. Soc. Jpn. 2014, 87, 459-469.

Incorporation of a Sugar Unit into a C-C-N Pincer Pd Complex Using Click Chemistry and Its Dynamic Behavior in Solution and Catalytic Ability for Suzuki-Miyaura Coupling in Water.
Imanaka, Y.; Hashimoto, H.; Kinoshita, I.; Nishioka, T.,
Chem. Lett., 2014, 43, 687-689.

π-Back-Bonding Interaction Depending on the Bridging Chain Lengths of Chelated N-Heterocyclic Carbene Platinum Units in Heterometallic Trinuclear Complexes Affecting Their Electrochemical Property.
Maeda, Y.; Hashimoto, H.; Kinoshita, I.; Nishioka, T.,
Inorg. Chem., 2014, 53, 661-663.

Syntheses, structures, and photochemical properties of (m3-O) tris{bis(m -carboxylato)}trimanganese complexes with naphthylacetate ligands with relevance to artificial solar energy-harvesting systems.
Nakai, M.*; Funabiki, T.; Ohtsuki, C.; Harada, M.; Ichimura, A.; Tanaka, R.; Nishioka, T.; Kinoshita, I.; Mikuriya, M.; Guo, J.; Benten, H.; Ohkita, H.; Ito, S.; Obata, M.; Nakabayashi, Y.; Yano, S.,*
Inorg. Chem. Acta., 2013, 406, 130-137.

Sulfur containing platium(II) complexes with N-heterocyclic carbene ligands obtained by reactions of a hydrosulfido complex.
Maeda, Y.; Hashimoto, H.; Nishioka, T.,
Dalton Trans., 2012, 41, 12038-12047.

Synthesis and Structural Characterization of Novel Ruthenium(II) Complexes Bearing Hydroxypicolinato Ligands.
Nakasone, T.; Nishioka, T.; Asato, E.; Kinoshita, I.; Takara, S.,
Polyhedron, 2012, 45, 152-157.

Syntheses, characterization, and antitumor activity of Pt(II) and Pd(II) complexes with sugar conjugated triazole ligands.
Yano, S.; Ohi, H.; Ashizaki, M.; Obata, M.; Mikata, Y.; Tanaka, R.; Nishioka, T.; Kinoshita, I.; Sugai, Y.; Okura, I.; Ogura, S.; Czaplewska, J. A.; Gottschaldth. M.; Schuberth, U. S.; Funabiki, T.; Morimoto, K.; Nakai, M.,
Chem. Biodiv., 2012, 9, 1903-1915.

Synthesis and Reactivity of a Platinum(II) Complex with Hydrosulfido Ligands Induced by a Chelated N-Heterocyclic Carbene Ligand.
Maeda, Y.; Hashimoto, H.; Nishioka, T.,
Chem. Lett., 2012, 41, 145-147.

Sulfur-Bridged Ta–M (M = Mo, Cr) Multinuclear Complexes Bearing a Four-Electron-Reduced Dinitrogen Ligand.
Takada, R.; Hirotsu, M.; Nishioka, T.; Hashimoto, H.; Kinoshita, I.,
Organometallics, 2011, 30, 4232-4235.

Redox Controlled, Reversible Rearrangement of a Tris(2-pyridylthio)methyl Ligand on Nickel to an Isomer With an "N,S-confused" 2-Pyridylthiolate Arm.
Kuwamura, N.; Kitano, K.; Hirotsu, M.; Nishioka, T.; Teki, Y.; Santo, R.; Ichimura, A.; Hashimoto, H.; Wright, L. J.; Kinoshita, I.
Chem. Eur. J., 2011, 17, 10708-10715.

Dynamic Behaviour Attributed to Chiral Carbohydrate Substituents of N-Heterocyclic Carbene Ligands in Square Planar Nickel Complexes.
Shibata, S.; Ito, S.; Doe, M.; Tanaka, R.; Hashimoto, H.; Kinsohita, I.; Yano, S.; Nishioka, T.*
Dalton Trans., 2011, 40, 6778-6784.

Preparation and Structural Features of Cu(I)Cu(II) Coordination Polymers Obtained by using Tripodal Complexes as Bridging Ligands.
Yoshida, Y.; Miyamoto, R.; Nakato, A.; Santo, R.; Kuwamura, N.; Gobo, K.; Nishioka, T.*; Hirotsu, M.; Ichimura, A.; Hashimoto, H.; Kinoshita, I.*
Bull. Chem. Soc. Jpn., 2011, 84, 600-611.

Unprecedented Diastereoselective Generation of Chiral-at-Metal, Half Sandwich Ir(III) and Rh(III) Complexes via Anomeric Isomerism on “Sugar-Coated” N-Heterocyclic Carbene Ligands.
Shibata, T.; Hashimoto, H; Kinoshita, I.; Yano, S.; Nishioka, T.*
Dalton Trans., 2011, 40, 4826-4829.

Carbon–sulfur bond cleavage reactions of dibenzothiophene derivatives mediated by iron and ruthenium carbonyls.
Hirotsu, M.*; Tsuboi, C.; Nishioka, T.; Kinoshita, I.
Dalton Trans., 2011, 40, 785-787.

Key papers of Prof. Hirotsu before 2014

Diiron Carbonyl Complexes Bearing an N,C,S-Pincer Ligand: Reactivity toward Phosphines, Heterolytic Fe-Fe Cleavage, and Electrocatalytic Proton Reduction
Masakazu Hirotsu, Kiyokazu Santo, Chiaki Tsuboi, Isamu Kinoshita
Organometallics, 2014, 33, 4260-4268.


Synthesis, magnetic properties and dynamic behavior of cobalt complexes with an anthracene-containing dioxolene ligand
Koichi Katayama, Masakazu Hirotsu, Isamu Kinoshita, Yoshio Teki
Dalton Trans., 2014, 43, 13384-13391.

Fine-Tuning the Energy Barrier for Metal-Mediated Dinitrogen N≡N Bond Cleavage
Andrew J. Keane, Brendan L. Yonke, Masakazu Hirotsu, Peter Y. Zavalij, Lawrence R. Sita*
J. Am. Chem. Soc., 2014, 136, 9906-9909.

Skeletal Modification of Benzothiophene Mediated by Iron Carbonyls: Insertion of Terminal Alkynes with Migration of Amino and Alkoxy Groups
Kyohei Kobayashi, Masakazu Hirotsu, Isamu Kinoshita
Organometallics, 2013, 32, 5030-5033.

Titanium and manganese complexes supported by a xanthene-bridged bis(tripodal N2O2) ligand: isomerization, intramolecular hydrogen bonding and metal-binding ability
Masakazu Hirotsu, Keisuke Kawamoto, Rika Tanaka, Yuji Nagai, Keiji Ueno, Yoshio Teki, Isamu Kinoshita
Dalton Trans., 2013, 42, 12220-12227.

Carbon- and Sulfur-Bridged Diiron Carbonyl Complexes Containing N,C,S-Tridentate Ligands Derived from Functionalized Dibenzothiophenes: Mimics of the [FeFe]-Hydrogenase Active Site
Masakazu Hirotsu, Kiyokazu Santo, Hideki Hashimoto, Isamu Kinoshita
Organometallics, 2012, 31, 7548-7557.

Design, synthesis, magnetic properties of a p-radical ligand with photo-excited high-spin state and its Fe(II) complex. The first stage of a new strategy for LIESST materials.
Koichi Katayama, Masakazu Hirotsu, Isamu Kinoshita, Yoshio Teki
Dalton Trans., 2012, 41, 13465-13473.

Bis(m2-4,7-dimethyl-4,7-diazadecane-1,10-dithiolato)trinickel(II) bis(perchlorate)
Masakazu Hirotsu, Naoto Kuwamura, Isamu Kinoshita, Masaaki Kojima, Yuzo Yoshikawa
Acta Crystallogr. Sect. E, Structure Reports Online, 2012, E68, m307.

Anion-Controlled Assembly of Four Manganese Ions: Structural, Magnetic, and Electrochemical Properties of Tetramanganese Complexes Stabilized by Xanthene-Bridged Schiff Base Ligands
Masakazu Hirotsu, Yuu Shimizu, Naoto Kuwamura, Rika Tanaka, Isamu Kinoshita, Ryoichi Takada, Yoshio Teki, Hideki Hashimoto
Inorg. Chem., 2012, 51, 766-768.

Sulfur-Bridged Ta-M (M = Mo, Cr) Multinuclear Complexes Bearing a Four-Electron-Reduced Dinitrogen Ligand
Ryoichi Takada, Masakazu Hirotsu, Takanori Nishioka, Hideki Hashimoto, Isamu Kinoshita
Organometallics, 2011, 30, 4232-4235.

Carbon–sulfur bond cleavage reactions of dibenzothiophene derivatives mediated by iron and ruthenium carbonyls
Masakazu Hirotsu, Chiaki Tsuboi, Takanori Nishioka, Isamu Kinoshita
Dalton Trans., 2011, 40, 785-787.

(η6-Benzene){2-[2-(tert-butylsulfanyl)-phenyl-kS]pyridine-kN}chloridoruthenium(II) hexafluoridophosphate
Masakazu Hirotsu, Akira Yogi, Isamu Kinoshita
Acta Crystallogr. Sect. E, Structure Reports Online, 2011, E67, m63.

Manganese(II), Nickel(II), and Palladium(II) Complexes of a Terpyridine-Like Ligand Containing a Sulfur Linkage, and an Analogous NCN Pincer Palladium(II) Complex: Synthesis, Characterization, and Pd-Catalyzed Reactions
Masakazu Hirotsu, Yuhei Tsukahara, Isamu Kinoshita
Bull. Chem. Soc. Jpn., 2010, 83, 1058-1066.

Synthesis and characterization of xanthene-bridged Schiff base dimanganese(III) complexes: bimetallic catalysts for asymmetric oxidation of sulfides
Masakazu Hirotsu, Naoki Ohno, Takashi Nakajima, Chie Kushibe, Keiji Ueno, Isamu Kinoshita
Dalton Trans., 2010, 39, 139-148.

Steric, geometrical and solvent effects on redox potentials in salen-type copper(II) complexes
Masakazu Hirotsu, Naoto Kuwamura, Isamu Kinoshita, Masaaki Kojima, Yuzo Yoshikawa, Keiji Ueno
Dalton Trans., 2009, 7678-7683.

Ruthenium and Rhodium Complexes with Thiolate-Containing Pincer Ligands Produced by C-S Bond Cleavage of Pyridyl-Substituted Dibenzothiophenes
Mayuko Shibue, Masakazu Hirotsu, Takanori Nishioka, Isamu Kinoshita
Organometallics, 2008, 27, 4475-4483.

A Thiacalix[3]pyridine Copper(I) Complex as a Highly Active Catalyst for the Olefin Aziridination Reaction
Yuhei Tsukahara, Masakazu Hirotsu, Shin-ichi Hattori, Yoshinosuke Usuki, Isamu Kinoshita
Chem. Lett., 2008, 37, 452-453.

Extreme N-N Bond Elongation and Facile N-Atom Functionalization Reactions within Two Structurally Versatile New Families of Group 4 Bimetallic “Side-on-Bridged” Dinitrogen Complexes for Zirconium and Hafnium
Masakazu Hirotsu, Philip P. Fontaine, Peter Y. Zavalij, Lawrence R. Sita*
J. Am. Chem. Soc., 2007, 129, 12690-12692.

Dinitrogen Activation at Ambient Temperatures: New Modes of H2 and PhSiH3 Additions for an “End-On-Bridged” [Ta(IV)]2(m-h1:h1-N2) Complex and for the Bis(m-nitrido) [Ta(V)(m-N)]2 Product Derived from Facile N-N Bond Cleavage
Masakazu Hirotsu, Philip P. Fontaine, Albert Epshteyn, Peter Y. Zavalij, Lawrence R. Sita*
J. Am. Chem. Soc., 2007, 129, 9284-9285.

Synthesis of a Cofacial Schiff-Base Dimanganese(III) Complex for Asymmetric Catalytic Oxidation of Sulfides
Masakazu Hirotsu, Naoki Ohno, Takashi Nakajima, Keiji Ueno
Chem. Lett., 2005, 34 (6), 848-849.