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Publications

2024

  1. Synthesis of Multisubstituted Cyclopentadiene Derivatives from 3,3-Disubstituted Cyclopropenes and Internal Alkynes Catalyzed by Low-Valent Niobium Complexes
    Takuya Akiyama, Tetsuro Kusamoto, Kazushi Mashima, Hayato Tsurugi*
    J. Am. Chem. Soc. 2024, 146(49), 33338-33348.
    DOI: 10.1021/jacs.4c06551

  2. Visible-Light-Induced Hydrogen Generation from Mixtures of Hydrogen Boride Nanosheets and Phenanthroline Molecules
    Jumpei Takeshita, Hayato Tsurugi,* Andi Mauliana, Akira Yamaguchi, Takahiro Kondo,* Masahiro Miyauchi*
    Adv. Sci. 2024, 11(42), 2405981.
    DOI: 10.1002/advs.202405981

  3. Decarboxylative Alkylation of Carboxylic Acids with Easily Oxidizable Functional Groups Catalyzed by an Imidazole-Coordinated Fe3 Cluster under Visible Light Irradiation
    Sota Tamaki, Tetsuro Kusamoto, Hayato Tsurugi*
    Chem. Eur. J. 2024, 30(69), e202402705.
    DOI: 10.1002/chem.202402705

  4. Visible-Light-Driven Hydrogen Release from Dye-Sensitized Hydrogen Boride Nanosheets
    Chika Shimada, Akira Yamaguchi, Andi Mauliana,Yue Yang, Hayato Tsurugi, Takahiro Kondo, Masahiro Miyauchi*
    ACS Appl. Mater. Interfaces, 2024, 16, 35225–35231.
    DOI: 10.1021/acsami.4c07768

  5. Effect of Distal Metal Species on Lewis Basicity of a μ3-Oxo Ligand in Doubly Oxo-bridged (μ3-O)[Rh(COD)]3(μ4-O)M Core
    Hayato Tsurugi,* Hiroki Mori, Haruna Mori, Masami Nakamoto, Shinji Tanaka, Kazushi Mashima
    Dalton Trans., 2024, 53, 8546-8549.
    DOI: 10.1039/D4DT00932K.

  6. W-catalyzed Synthesis of N-Aryl-2,3,4,5-tetraarylpyrroles from Diarylacetylenes and Aryl Diazenes: Facile and Modular Access to N-Doped pi-Conjugated Material Precursors
    Hayato Tsurugi,* Takuya Akiyama, Connor Frye, Yuya Kakiuchi, Kazushi Mashima, Ian A. Tonks*
    Inorg. Chem., 2024, 63, 3037-3046.
    DOI: 10.1021/acs.inorgchem.3c03858

 

2023

  1. Bis(neopentylglycolato)diboron (B2nep2) as a Bidentate Ligand and a Reducing Agent for Early Transition Metal Chlorides Giving MCl4(B2nep2) Complexes
    Hiromu Hosoya, Takuya Akiyama, Kazushi Mashima, Hayato Tsurugi*
    Dalton Trans., 2023, 52, 13154-13160.
    DOI:10.1039/D3DT01828H

  2. Chromium-Catalyzed syn-Selective Ring-Opening Aryl-/Alkylation of 7-Oxabenzonorbornadiene Derivatives with Grignard Reagents
    Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    ACS Catal., 2023, 13, 3093-3100.
    DOI:10.1021/acscatal.2c05029

  3. Chromium-catalyzed olefination of arylaldehydes with haloforms assisted by 2,3,5,6-tetramethyl-N,N'-bis(trimethylsilyl)-1,4-dihydropyrazine
    Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Commun., 2023, 59, 908-911.
    DOI:10.1039/D2CC06104J

  4. A binuclear aluminium complex as a single competent catalyst for efficient synthesis of urea, biuret, isourea, isothiourea, phosphorylguanidine, and quinazolinones
    Kulsum Bano, Jyoti Sharma, Archana Join, Hayato Tsurugi,* Tarun K. Panda*
    RSC Advances, 2023, 13, 3020-3032.
    DOI: 10.1039/D2RA07714K

  5. Cobalt-Catalyzed Alkynylation of Organic Compounds: Hydroalkynylation, Dehydrogenative Alkynylation, and Reductive Alkynylation
    Yohei Ueda, Hayato Tsurugi,* Kazushi Mashima*
    Synlett, 2023, 34, 990-1000. (Review)
    DOI:10.1055/a-1983-2038

 

2022

  1. Syntheses and Redox Properties of Carboxylate-Ligated Hexanuclear Ce(IV) Clusters and Their Photoinduced Homolysis of the Ce(IV)–Ligand Covalent Bond
    Tomomi Kawakami, Sota Tamaki, Satoru Shirase, Hayato Tsurugi,* Kazushi Mashima*
    Inorg. Chem., 2022, 61, 20461-20471.
    DOI: 10.1021/acs.inorgchem.2c03163

  2. Pyrazine Alkylation with Aldehydes and Haloalkanes Using N,N'-Bis(trimethylsilyl)-1,4-dihydropyrazine Derivatives
    Hayato Tsurugi,* Minami Matsuno, Tomomi Kawakami, Kazushi Mashima*
    Eur. J. Org. Chem., 2022, e202200862.
    DOI:10.1002/ejoc.202200862

  3. N-Methylation of Aniline Derivatives with CO2 and Phenylsilane Catalyzed by Lanthanum Hydridotriarylborate Complexes bearing a Nitrogen Tridentate Ligand
    Koichi Shinohara, Hayato Tsurugi,* Kazushi Mashima*
    ACS Catalysis, 2022, 12 (14), 8220–8228.
    DOI:10.1021/acscatal.2c01658

  4. Olefin Metathesis Catalysts Generated In Situ from Molybdenum(VI)-Oxo Complexes by Tuning Pendant Ligands
    Darryl F. Nater, Christoph J. Kaul, Lukas Lätsch, Hayato Tsurugi, Kazushi Mashima, Christophe Copéret*
    Chem. Eur. J., 2022, 28 (22), e202200559.
    DOI:10.1002/chem.202200559

  5. Diarylcuprates for Selective Syntheses of Multi-Functionalized Ketones from Thioesters under Mild Conditions
    Daiki Kato, Tomoya Murase, Jalindar Talode, Haruki Nagae, Hayato Tsurugi,* Masahiko Seki,* Kazushi Mashima*
    Chem. Eur. J., 2022, 28 (26), e202200474.
    DOI:10.1002/chem.202200474

  6. Early transition metal complexes for direct C-H bond functionalization of heteroatom-containing organic compounds
    Mariko Inoue, Hayato Tsurugi,* Kazushi Mashima*
    Coord. Chem. Rev., 2022, 473, 214810. (Review)
    DOI:10.1016/j.ccr.2022.214810

​

2021

  1. Effects of Silver Carbonate and p-Nitrobenzoic Acid for Accelerating Palladium-Catalyzed Allylic C-H Acyloxylation
    Aymen Skhiri, Haruki Nagae, Hayato Tsurugi,* Masahiko Seki,* Kazushi Mashima*
    Org. Let., 2021, 23 (18), 7044-7048. "Supplimentaly Cover"
    DOI:10.1021/acs.orglett.1c02406

  2. Direct Synthesis of Indoles from Azoarenes and Ketones with Bis(neopentylglycolato)diboron Using 4,4'-Bipyridyl as an Organocatalyst
    Luis Calros Misal Castro, Ibrahim Sultan, Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    J. Org. Chem. 2021, 86 (4), 3287-3299.
    DOI:10.1021/acs.joc.0c02661

  3. Renaissance of Homogeneous Cerium Catalysts with Unique Ce(IV/III) Couple: Redox-Mediated Organic Transformations Involving Homolysis of Ce(IV)–Ligand Covalent Bonds
    Hayato Tsurugi,* Kazushi Mashima*
    J. Am. Chem. Soc., 2021, 143 (21), 7879–7890. "Front Cover" (Perspective)
    DOI:10.1021/jacs.1c02889

  4. Pyridine-mediated B-B Bond Activation of (RO)2B-B(OR)2 for Generating Borylpyridine Anions and Pyridine-stabilized Boryl Radicals as Useful Boryl Reagents in Organic Synthesis
    Luis C. Misal Castro, Ibrahim Sultan, Hayato Tsurugi,* Kazushi Mashima*
    Synthesis 2021, 53 (18), 3211-3226. (Review)
    DOI:10.1055/a-1486-8169

  5. Group 4 Metal Alkyne, Alkene, and Allyl Complexes
    Hayato Tsurugi*
    Invited book chapter in Comprehensive Organometallic Chemistry IV.
    Eds. Ged Parkin, Karsten Meyer, and Dermont O'Hare, 2021, in press.

​

2020

  1. Cerium(IV) Carboxylate Photocatalyst for Catalytic Radical Formation from Carboxylic Acids: Decarboxylative Oxygenation of Aliphatic Carboxylic Acids and Lactonization of Aromatic Carboxylic Acids
    Satoru Shirase, Sota Tamaki, Koichi Shinohara, Keishi Hirosawa, Hayato Tsurugi,* Tetsuya Satoh,* Kazushi Mashima*
    J. Am. Chem. Soc. 2020, 142 (12), 5668-5675.

  2. Cobalt‐Catalyzed E‐Selective Cross‐Dimerization of Terminal Alkynes: A Mechanism Involving Cobalt(0/II) Redox Cycles
    Yohei Ueda, Hayato Tsurugi,* Kazushi Mashima*
    Angew. Chem. Int. Ed. 2020, 59 (4), 1552-1556.

  3. Chromium-catalyzed cyclopropanation of alkenes with bromoform in the presence of 2,3,5,6-tetramethyl-1,4-bis(trimethylsilyl)-1,4-dihydropyrazine
    Hideaki Ikeda, Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Sci. 2020, 11 (14), 3604-3609.

  4. Trivalent Rare‐earth Metal Amide Complexes as Catalysts for Hydrosilylation of Benzophenone Derivatives with HN(SiHMe2)2 via Amine Exchange Reaction
    Koichi Shinohara, Hayato Tsurugi,* Reiner Anwander,* Kazushi Mashima*
    Chem. Eur. J. 2020, 26 (62), 14130-14136.

  5. Self-Assembled Multilayer Iron(0) Nanoparticle Catalyst for Ligand-Free Carbon–Carbon/Carbon–Nitrogen Bond-Forming Reactions
    Toshiki Akiyama, Yuki Wada, Makito Yamada, Yasunori Shio, Tetsuo Honma, Shuhei Shimoda, Kazuki Tsuruta, Yusuke Tamenori, Hitoshi Haneoka, Takeyuki Suzuki, Kazuo Harada, Hayato Tsurugi, Kazushi Mashima, Jun-ya Hasegawa, Yoshihiro Sato, Mitsuhiro Arisawa*
    Org. Lett. 2020, 22 (18), 7244–7249.

  6. Syntheses of SGLT2 Inhibitors by Ni- and Pd-Catalyzed Fukuyama Coupling Reactions
    Jalindar Talode, Daiki Kato, Haruki Nagae, Hayato Tsurugi,* Masahiko Seki,* Kazushi Mashima*
    J. Org. Chem. 2020, 85 (19), 12382–12392.

  7. Synthesis, Structure, and Reactivity of Dicationic Bimetallic Tetrabenzyldihafnium Complexes Bearing a Chelating (2-Hydroxyethyl)amido Ligand
    Mariko Inoue, Michael J. Lopez, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2020, 39 (4), 614-622.

  8. Reactivity of terminal imido complexes of group 4–6 metals: Stoichiometric and catalytic reactions involving cycloaddition with unsaturated organic molecules
    Kento Kawakita, Bernard F. Parker, Yuya Kakiuchi, Hayato Tsurugi,* Kazushi Mashima,* John Arnold,* Ian A. Tonks,*
    Coord. Chem. Rev. 2020, 407 (15), 213118. (Review)

 

2019

  1. Bis(imido)vanadium(V)-Catalyzed [2+2+1] Coupling of Alkynes and Azobenzenes Giving Multisubstituted Pyrroles”
    Kento Kawakita, Evan P. Beaumier, Yuya Kakiuchi, Hayato Tsurugi,* Ian A. Tonks,* Kazushi Mashima*
    J. Am. Chem. Soc. 2019, 141 (10), 4194-4198.

  2. Cβ–Cβ Bond Fission of Metallacyclopentadiene over a Low-Valent Ditantalum Scaffold
    Payel Laskar, Keishi Yamamoto, Kohei Nishi, Hideaki Ikeda, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2019, 38 (3), 722-729.

  3. Nickel-catalyzed cyanation of aryl halides and triflates using acetonitrile via C–CN bond cleavage assisted by 1,4-bis(trimethylsilyl)-2,3,5,6-tetramethyl-1,4-dihydropyrazine
    Yohei Ueda, Nagataka Tsujimoto, Taiga Yurino, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Sci. 2019, 10 (4), 994-999.

  4. Hydrodehalogenation of Alkyl Halides Catalyzed by a Trichloroniobium Complex with a Redox Active α-Diimine Ligand
    Haruka Nishiyama, Hiromu Hosoya, Bernard F. Parker, John Arnold, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Commun. 2019, 55 (50), 7247-7250.

  5. α-Diimine-Niobium Complex-Catalyzed Deoxychlorination of Benzyl Ethers with Silicon Tetrachloride
    Bernard F. Parker, Hiromu Hosoya, John Arnold, Hayato Tsurugi,* Kazushi Mashima*
    Inorg. Chem. 2019, 58 (19), 12825-12831.

  6. Synthesis and Characterization of Alkoxide-Bridged Heterometallic Clusters of Cerium and Copper
    Hayato Tsurugi,* Yuri Ikeda, Koichi Shinohara, Satoru Shirase, Nozomi Toya, Shinji Tanaka, Kazushi Mashima*
    Inorg. Chem. 2019, 58 (19), 12565-12572.

  7. Synthesis of Pyridylimido Complexes of Tantalum and Niobium by Reductive Cleavage of the N=N Bond of 2,2′-Azopyridine: Precursors for Early–Late Heterobimetallic Complexes
    Kento Kawakita, Yuya Kakiuchi, Evan P. Beaumier, Ian A. Tonks,* Hayato Tsurugi,* Kazushi Mashima*
    Inorg. Chem. 2019, 58 (22), 15155-15165.

  8. 4,4'-Bipyridyl-Catalyzed Reduction of Nitroarenes by Bis(neopentylglycolato)diboron
    Hosoya Hosoya, Luic C. Misal Castro, Ibrahim Sultan, Yumiko Nakajima, Toshimichi Ohmura,* Kazuhiko Sato, Hayato Tsurugi,* Michinori Suginome,* Kazushi Mashima*
    Org. Lett. 2019, 21 (24), 9812-9817.

  9. Metal-free Reductive Deoxygenation of Sulfoxides by an Organosilicon Reductant, 1,1'-Bis(trimethylsilyl)-1H,1'H-4,4'-bipyridinylidene
    Argha Bhattacharjee, Hiromu Hosoya, Taiga Yurino, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Lett. 2019, 48 (8), 888-890.

  10. Salt-Free Reduction of Transition Metal Complexes by Bis(trimethylsilyl)cyclohexadiene, -dihydropyrazine, and -4,4′-bipyridinylidene Derivatives
    Hayato Tsurugi,* Kazushi Mashima*
    Acc. Chem. Res. 2019, 52 (3), 769-779. (Account)

  11. A New Protocol to Generate Catalytically Active Species of Group 4-6 Metals by Organosilicon-based Salt-free Reductants
    Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2019, 25, 913-919. (Review)

​

2018

  1. Activation of O2 by Organosilicon Reagents Yields Quantitative Amounts of H2O2 or (Me3Si)2O2 for Efficient O‐Transfer Reactions
    Keishi Yamamoto, Shinji Tanaka, Hiromu Hosoya, Hayato Tsurugi,* Kazushi Mashima,* Christophe Copéret*
    Helv. Chim. Acta 2018, 101, e1800156.

  2. Oxidation of Alcohols to Carbonyl Compounds Catalyzed by Oxo-bridged Dinuclear Cerium Complexes with Pentadentate Schiff-base Ligands under Dioxygen Atmosphere
    Satoru Shirase, Koichi Shinohara, Hayato Tsurugi,* Kazushi Mashima*
    ACS Catal. 2018, 8, 6939-6947.

  3. Deprotonation of a formato ligand by a cis-coordinated carbyne ligand within a bis(phenolate) tungsten complex
    Tobias Schindler, Albert Paparo, Haruka Nishiyama, Thomas P. Spaniol, Hayato Tsurugi, Kazushi Mashima, Jun Okuda*
    Dalton Trans. 2018, 47 (38), 13328-13331.

  4. In Situ Catalyst Generation and Benchtop-Compatible Entry Points for TiII/TiIV Redox Catalytic Reactions
    Zachary W. Davis-Gilbert, Kento Kawakita, Daniel B. Blechschmidt, Hayato Tsurugi,* Kazushi Mashima,* Ian A. Tonks*
    Organometallics 2018, 37 (23), 4439-4445.

  5. Planar and Bent BN-Embedded p-Quinodimethanes Synthesized by Transmetalation of Bis(trimethylsilyl)-1,4-dihydropyrazines with Chloroborane
    Mao Noguchi, Katsuhiro Suzuki,* Jun Kobayashi, Taiga Yurino, Hayato Tsurugi, Kazushi Mashima, Makoto Yamashita*
    Organometallics 2018, 37(12), 1833-1836.

  6. Direct ortho-C-H Aminoalkylation of 2-Substituted Pyridine Derivatives Catalyzed by Yttrium Complexes with N,Nʹ-Diarylethylenediamido Ligands
    Abhinanda Kundu, Mariko Inoue, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    J. Am. Chem. Soc. 2018, 140 (23), 7332-7342.

  7. Metal-free Deoxygenation and Reductive Disilylation of Nitroarenes by Organosilicon Reducing Reagents
    Arggha Bhattacharjee, Hiromu Hosoya, Hideaki Ikeda, Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2018, 24 (44), 11278-11282.

  8. Silica-supported isolated molybdenum di-oxo species: formation and activation with organosilicon agent for olefin metathesis
    Keishi Yamamoto, Ka-Wing Chan, Victor Mougel, Haruki Nagae, Hayato Tsurugi, Olga V. Safonova, Kazushi Mashima,* Christophe Copéret*
    Chem. Commun. 2018, 54 (32), 3989-3992.

  9. Metathesis Cleavage of an N=N Bond in Benzo[c]cinnolines and Azobenzenes by Triply-bonded Ditungsten Complexes
    Hideaki Ikeda, Kohei Nishi, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Commun. 2018, 54 (32), 3709-3711.

  10. Organosilicon Reducing Reagents for Stereoselective Formations of Silyl Enol Ethers from α-Halo Carbonyl Compounds
    Pramanik Suman, Rej Supriya, Shun Kando, Hayato Tsurugi,* Kazushi Mashima*
    J. Org. Chem. 2018, 83 (4), 2409-2417.

  11. Lanthanide Complexes Supported by a Trizinc-crown Ether as Catalysts for Alternating Copolymerization of Epoxide and CO2: Telomerization Controlled by Carboxylate Anions
    Haruki Nagae, Ryota Aoki, Shin-nosuke Akutagawa, Julian Kleemann, Risa Tagawa, Tobias Schindler, Gyeongshin Choi, Thomas P. Spaniol, Hayato Tsurugi, Jun Okuda,* Kazushi Mashima*
    Angew. Chem. Int. Ed. 2018, 57 (9), 2492-2496.

  12. Multiply-bonded dinuclear complexes of early-transition metals as minimum entities of metal cluster catalysts
    Supriya Rej, Hayato Tsurugi,* Kazushi Mashima*
    Coord. Chem. Rev. 2018, 355, 223-239. (Review)

  13. Bonding and Structural Features of Metal-metal Bonded Homo- and Hetero-dinuclear Complexes Supported by Unsaturated Hydrocarbon Ligands
    Hayato Tsurugi,* Payel Laskar, Keishi Yamamoto, Kazushi Mashima*
    J. Organomet. Chem. 2018, 869, 251-263. (Review)

  14. Functionalization of the C—H Bond of N-Heteroaromatics Assisted by Early Transition Metal Complexes
    Haruki Nagae, Abhinanda Kundu, Mariko Inoue, Hayato Tsurugi,* Kazushi Mashima*
    Asian J. Org. Chem. 2018, 7(7), 1256-1269. (Review)

​

2017

  1. Dehalogenation of vicinal dihalo compounds by 1,1'-bis(trimethylsilyl)-1H,1'H -4,4'-bipyridinylidene for giving alkenes and alkynes in a salt-free manner
    Supriya Rej, Suman Pramanik, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Commun. 2017, 53, 13157-13160.

  2. Tantallacyclopentadiene as a unique metal-containing diene ligand coordinated to nickel for preparing tantalum–nickel heterobimetallic complexes
    Payel Laskar, Keishi Yamamoto, Anga Srinivas, Alexis Mifleur, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    Dalton Trans. 2017, 46 (38), 13043-13054.

  3. Propargylic C(sp3)-H Bond Activation for Preparing η3-Propargyl/Allenyl Complexes of Yttrium
    Haruki Nagae, Abhinanda Kundu, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2017, 36 (16), 3061-3067.

  4. Structural and Electronic Non-innocence of a-Diimine Ligands on Niobium for Reductive C-Cl Bond Activation and Catalytic Radical Addition Reactions
    Haruka Nishiyama, Hideaki Ikeda, H.; Teruhiko Saito, Benjamin Kriegel, Hayato Tsurugi,* John Arnold, Kazushi Mashima*
    J. Am. Chem. Soc. 2017, 139 (18), 6494-6505.

  5. Inorganic-Salt-Free Reduction in Main-Group Chemistry: Synthesis of a Dibismuthene and a Distibene
    Paresh K. Majhi, Hideaki Ikeda, Takahiro Sasamori,* Hayato Tsurugi, Kazushi Mashima, Norihiro Tokitoh
    Organometallics 2017, 36 (7), 1224-1226.

  6. Mixed Ligated Tris(amidinate)dimolybdenum Complexes as Catalysts for Radical Addition of CCl4 to 1-Hexene: Leaving Ligand Lability Controls Catalyst Activity
    Supriya Rej, Moumita Majumdar, Shun Kando, Yoshitaka Sugino, Hayato Tsurugi,* Kazushi Mashima*
    Inorg. Chem. 2017, 56 (1), 634-644.

  7. Arylimido-bridged Dinuclear Ti(μ-NAr)2Ti Scaffold for Alkyne Insertion into ortho-C-H Bond of Arylimido Ligands
    Haruki Nagae, Wataru Hato, Kento Kawakita, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2017, 23 (3), 586-596.

​

2016

  1. C(sp3)-H Alkenylation Catalyzed by Cationic Alkylhafnium Complexes: Stereoselective Synthesis of Trisubstituted Alkenes from 2,6-Dimethylpyridines and Internal Alkynes
    Michael J. Lopez, Ai Kondo, Haruki Nagae, Koji Yamamoto, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2016, 35 (22), 3816-3827.

  2. Synthesis and Characterization of Heterobimetallic Tantalum–Rhodium and Tantalum–Iridium Complexes Connected by a Tantallacyclopentadiene Fragment
    Keishi Yamamoto, Kosuke Higashida, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    Helv. Chim. Acta 2016, 99 (11), 848-858.

  3. Low Temperature Activation of Supported Metathesis Catalysts by Organosilicon Reducing Agents
    Victor Mougel, Ka-Wing Chan, George Siddiqui, Kento Kawakita, Haruki Nagae, Hayato Tsurugi, Kazushi Mashima,* Olfa Safonova, Christophe Copéret*
    ACS Cent. Sci. 2016, 2 (8), 569-576.

  4. Synthesis and Reactions of Ditantalum-Allyl Complexes Derived from Intramolecular C-H Bond Activation of the Methylene of the Ethyl Group Bound to Ditantallacyclopentadiene
    Keishi Yamamoto, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2016, 35 (14), 2384-2390.

  5. Alkyne-induced Facile C-C Bond Formation of Two η2-Alkynes on Dinuclear Tantalum Bis(alkyne) Complexes to Give Dinuclear Tantallacyclopentadienes
    Keishi Yamamoto, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2016, 35(10), 1573-1581.

  6. Reversible Transformation between Alkylidene, Alkylidyne, and Vinylidene Ligands in High-Valent Bis(phenolate)tungsten Complexes
    Haruka Nishiyama, Keishi Yamamoto, Andreas Sauer, Hideaki Ikeda, Thomas P. Spaniol, Hayato Tsurugi, Kazushi Mashima,* Jun Okuda*
    Organometallics 2016, 35(7), 932-935.

  7. Synthesis and Characterization of Paramagnetic Tungsten Imido Complexes Bearing α-Diimine Ligands
    Hiromasa Tanahashi, Hideaki Ikeda, Hayato Tsurugi,* Kazushi Mashima*
    Inorg. Chem. 2016, 55(4), 1446-1452.

  8. Chemo- and Regioselective Reduction of 5,15-Diazaporphyrins Providing Antiaromatic Azaporphyrinoids
    Ayaka Yamaji, Hayato Tsurugi, Yoshihiro Miyake, Kazushi Mashima, Hiroshi Shinokubo*
    Chem. Eur. J. 2016, 22(12), 3956-3961.

  9. Cerium Complex-catalyzed Oxidation of Arylmethanols under Atmospheric Pressure of Dioxygen and Its Mechanism through a Side-on m-Peroxo Dicerium(IV) Complex
    Mitali Paul, Satoru Shirase, Yuma Morimoto, Laurent Mathey, Murugeshpandian Balasubramanian, Shinji Tanaka, Shinobu Itoh, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2016, 22(12), 4008-4014.

  10. Recent Developments in Homogeneous Organomagnesium Catalysis
    Raphael Rochat, Michael J. Lopez, Hayato Tsurugi,* Kazushi Mashima*
    ChemCatChem 2016, 8(1), 10-20. (Review)

  11. Mechanistic understanding of alkyne cyclotrimerization on mononuclear and dinuclear scaffolds: [4 + 2] cycloaddition of the third alkyne onto metallacyclopentadienes and dimetallacyclopentadienes
    Keishi Yamamoto, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    Dalton Trans. 2016, 45(43), 17072-17081. (Review)

​

2015

  1. Salt-free Reduction of Base Transition Metal Compounds: Generation of Amorphous Ni Nanoparticles for Catalytic C-C Bond Formation
    Taiga Yurino, Yohei Ueda, Yoshiki Shimizu, Shinji Tanaka, Haruka Nishiyama, Hayato Tsurugi, Kazuhiko Sato,* Kazushi Mashima*
    Angew. Chem., Int. Ed. 2015, 54(48), 14437-14441.

  2. 2,2'-Bipyridyl Formation from 2-Arylpyridines through Bimetallic Diyttrium Intermediate
    Yu Shibata, Haruki Nagae, Shiki Sumiya, Raphael Rochat, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Sci. 2015, 6(10), 5394-5399.

  3. CeIV Hexanuclear Clusters from CeIII Precursors: Molecular Models for Oxidative Growth of Ceria Nanoparticles
    Laurent Mathey, Mitali Paul, Christophe Coperet, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2015, 21(38), 13454-13461.

  4. Reduction of (tBuN=)NbCl3(py)2 in a Salt-Free Manner for Generating Nb(IV) Dinuclear Complexes and Their Reactivity toward Benzo[c]cinnoline
    Teruhiko Saito, Haruka Nishiyama, Kento Kawakita, Michael Nechayev, Benjamin Kriegel, Hayato Tsurugi, John Arnold,* Kazushi Mashima*
    Inorg. Chem. 2015, 54(12), 6004-6009.

  5. Direct Evidence for [4+2] Cycloaddition Mechanism of Alkynes to Tantallacyclopentadiene on Dinuclear Tantalum Complexes as a Model of Alkyne Cyclotrimerization
    Keishi Yamamoto, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2015, 21(32), 11369-11377.

  6. Mixed-ligand Complexes of Paddlewheel Dinuclear Molybdenum as Hydrodehalogenation catalysts for Polyhaloalkanes
    Hayato Tsurugi,* Akio Hayakawa, Shun Kando, Yoshitaka Sugino, Kazshi Mashima*
    Chem. Sci. 2015, 6(6), 3434-3439.

  7. Organomagnesium-Catalyzed Isomerization of Terminal Alkynes to Allenes and Internal Alkynes
    Raphael Rochat, Keishi Yamamoto, Michael J. Lopez, Haruki Nagae, Hayato Tsurugi,* Kazushi Mashima*
    Chem. Eur. J. 2015, 21(22), 8112-8120.

  8. Synthesis of Alkyl and Alkylidene Complexes of Tungsten Bearing Imido and Redox-Active α-Diimine or o-Iminoquinone Ligands and Their Application as Catalysts for Ring-Opening Metathesis Polymerization of Norbornene
    Hiromasa Tanahashi, Hayato Tsurugi,* Kazushi Mashima*
    Organometallics 2015, 34(4), 731-741.

  9. Aminomethylation Reaction of -Pyridyl C-H Bonds Catalyzed by Group 3 Metal Triamido Complexes
    Haruki Nagae, Yu Shibata, Hayato Tsurugi,* Kazushi Mashima*
    J. Am. Chem. Soc. 2015, 137(2), 640-643.

  10. Non-bridged Half-metallocene Complexes of Group 4-6 Metals with Chelating Ligands as Well-defined Catalysts for α-Olefin Polymerization
    Hayato Tsurugi,* Keishi Yamamoto, Raphael Rochat, Kazushi Mashima*
    Polym. J. 2015, 47, 2-17. (Review)

​

2014

  1. 1,4-Bis(trimethylsilyl)-1,4-diaza-2,5-cyclohexadienes as Strong Salt-free Reductants for Generating Low-valent Early Transition Metals with Electron-donating Ligands
    Teruhiko Saito, Haruka Nishiyama, Hiromasa Tanahashi, Kento Kawakita, Hayato Tsurugi,* Kazushi Mashima*
    J. Am. Chem. Soc. 2014, 136(13), 5161-5170.

  2. Direct Functionalization of Unactivated C-H Bonds Catalyzed by Group 3–5 Metal Alkyl Complexes
    Hayato Tsurugi, Koji Yamamoto, Haruki Nagae, Hiroshi Kaneko, Kazushi Mashima*
    Dalton Trans. 2014, 43, 2331-2343. (Review)

  3. Supramolecular Assemblies of Multi-nuclear Transition Metal Complexes: Synthesis and Redox Properties
    Shinji Tanaka, Hayato Tsurugi, Kazushi Mashima*
    Coord. Chem. Rev. 2014, 265, 38-51. (Review)

​

2013

  1. Hemilabile N-Xylyl-N’-methylperimidine Carbene Iridium Complexes as Catalysts for C-H Activation and Dehydrogenative Silylation: Dual Role of N-Xylyl Moiety for ortho-C-H Bond Activation and Reductive Bond Cleavage
    Gyeongshin Choi, Hayato Tsurugi, Kazushi Mashima*
    J. Am. Chem. Soc. 2013, 135(35), 13149-13161.

  2. Tetraplatinum Cluster Complexes Bearing Hydrophilic Anchors as Precursors for g-Al2O3-supported Platinum Nanoparticles
    Shinji Tanaka, Naoto Nagata, Naoki Tagawa, Hirohito Hirata, Shin-ichi Matsumoto, Hayato Tsurugi, Kazushi Mashima*
    Dalton Trans. 2013, 42, 12662-12666.

  3. Salt-free Reducing Reagent of Bis(trimethylsilyl)cyclohexadiene Mediates Multi-electron Reduction of Chloride Complexes of W(VI) and W(IV)
    Hayato Tsurugi, Hiromasa Tanahashi, Haruka Nishiyama, Waldemar Fegler, Teruhiko Saito, Andreas Sauer, Jun Okuda, Kazushi Mashima*
    J. Am. Chem. Soc. 2013, 135(16), 5986-5989.

  4. C-H Metalation Reaction of Diarylamine and Carbazole by Alkylaliminium Complexes at the Heteroatom-Bridged Dimeric Aluminum Core
    Koji Yamamoto, Yu Shibata, Yuki Kashiwa, Ai Kondo, Hayato Tsurugi, Kazushi Mashima*
    Eur. J. Inorg. Chem. 2013, 3821-3825.

  5. Synthesis of Rare-Earth-Metal Iminopyrrolyl Complexes from Alkyl Precursors: Ln→Al N-Ancillary Ligand Transfer
    Hiroshi Kaneko, Martin Dietrich, Christoph Schädle, Cacilia Maichle-Mössmer, Hayato Tsurugi, Karl W. Törnroos, Kazushi Mashima, Reiner Anwander*
    Organometallics 2013, 32(5), 1199-1208.

  6. Isospecific Polymerization of 1-Hexene by C1-Symmetric Half-metallocene Dimethyl Complexes of Group 4 Metals with Bidentate N-Substituted Iminomethylpyrrolyl Ligands
    Takahiro Yasumoto, Keishi Yamamoto, Hayato Tsurugi, Kazushi Mashima*
    Dalton Trans. 2013, 9120-9128.

​

2012

  1. Dianion and Monoanion Ligation of 1,4-Diaza-1,3-butadiene to Barium, Strontium, and Calcium
    Tarun K. Panda, Hiroshi Kaneko, Olaf Michel, Kuntal Pal, Hayato Tsurugi, Karl W. Tornroos, Reiner Anwander, Kazushi Mashima*
    Organometallics 2012, 31(8), 3178-3184.

  2. Preparation and Structure of Iminopyrrolyl and Amidopyrrolyl Complexes of Group 2 Metals
    Tarun K. Panda, Koji Yamamoto, Keishi Yamamoto, Hiroshi Kaneko, Yi Yang, Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2012, 31(6), 2268-2274.

  3. Diene Dissolution of the Heavier Alkaline Earth Metals
    Olaf Michel, Hiroshi Kaneko, Hayato Tsurugi, Koji Yamamoto, Karl W. Tornroos, Reiner Anwander, Kazushi Mashima*
    Eur. J. Inorg. Chem. 2012, 998-1003.

  4. Synthesis of Ir[m2-(N-N)]M (M = Ir and Ru) Homo- and Heterobimetallic Complexes through a Condensation Reaction of N-Amino and Formyl Groups Bound to Mononuclear (hn-CnMen)M Units (n = 5 for M = Ir; n = 6 for M = Ru)
    Keisuke Nakao, Gyeongshin Choi, Yuki Konishi, Hayato Tsurugi, Kazushi Mashima*
    Eur. J. Inorg. Chem. 2012, 1469-1476.

​

2011

  1. End-functionalized Polymerization of 2-Vinylpyridine through Initial C-H Bond Activation of N-Heteroaromatics and Internal Alkynes by Yttrium Ene-diamido Complexes
    Hiroshi Kaneko, Haruki Nagae, Hayato Tsurugi, Kazushi Mashima*
    J. Am. Chem. Soc. 2011, 133 (49), 19626-19629.

  2. Carbon Radical Generation by d0 Tantalum Complexes with α-Diimine Ligands through Ligand-Centered Redox Processes
    Hayato Tsurugi, Teruhiko Saito, Hiromasa Tanahashi, John Arnold, Kazushi Mashima*
    J. Am. Chem. Soc. 2011, 133 (46), 18673-18683.

  3. Synthesis and Reaction of Neutral and Cationic Alkyltantalum Complexes with a Linked Cyclopentadienyl-Carboranyl Ligand
    Hayato Tsurugi, Zaozao Qiu, Koji Yamamoto, Rocio Arteaga-Müller, Zuowei Xie, Kazushi Mashima*
    Organometallics 2011, 30 (21), 5960-5964.

  4. Dinuclear Molybdenum Cluster-Catalyzed Radical Addition and Polymerization Reactions by Tuning the Redox Potential of a Quadruple Bonded Mo2 Core
    Hayato Tsurugi, Kohei Yamada, Moumita Moumita, Yoshitaka Sugino, Akio Hayakawa, Kazushi Mashima*
    Dalton Trans. 2011, (40), 9358-9361.

  5. Reactivity of Permethylated Magnesium Complexes toward β-Diimines
    Olaf Michel, Koji Yamamoto, Hayato Tsurugi, Cacilia Maichle-Müssmer, Karl W. Törnroos, Kazushi Mashima, Reiner Anwander*
    Organometallics 2011, 30(14), 3818-3825.

  6. First Isolation of Fully Delocalized Mixed-valent Imido-bridged [Ti2]7+ Complexes by One-electron Reduction of [(C5R5)TiCl]2(µ-NAr)2
    Hayato Tsurugi, Haruki Nagae, Kazushi Mashima*
    Chem. Commun. 2011, 47(19), 5620-5622.

  7. Oxidant-Free Direct Coupling of Internal Alkynes and 2-Alkylpyridine via Double C−H Activations by Alkylhafnium Complexes
    Hayato Tsurugi, Koji Yamamoto, Kazushi Mashima*
    J. Am. Chem. Soc. 2011, 133(4), 732-735.

​

2010

  1. Carboxylate Ligand-Induced Intramolecular C-H Bond Activation of Iridium Complexes with N-Phenylperimidine-Based Carbene Ligands
    Hayato Tsurugi, Shingo Fujita, Gyeongshin Choi, Tsuneaki Yamagata, Syoji Ito, Hiroshi Miyasaka, Kazushi Mashima*
    Organometallics 2010, 29(18), 4120-4129.

  2. Intramolecular Alkylation of α-Diimine Ligands Giving Amido-imino and Diamido Scandium and Yttrium Complexes as Catalysts for Intramolecular Hydroamination/Cyclization
    Hiroshi Kaneko, Hayato Tsurugi, Tarun K. Panda, Kazushi Mashima*
    Organometallics 2010, 29(15), 3463-3466.

  3. Salt Metathesis and Direct Reduction Reactions Leading to Group 3 Metal Complexes with a N,N’-Bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene Ligand and Their Solid-State Structures
    Tarun K. Panda, Hiroshi Kaneko, Kuntal Pal, Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2010, 29(11), 2610-2615.

  4. Silicon-Bridged Tetramethylcyclopentadienyl-Phenoxy Complexes of Tantalum: Preparation and Alkylation of Et2Si(h5-C5Me4)(3-tBu-5-Me-2-C6H2O)TaCl3 and Generation of Its Cationic Complex
    Taichi Senda, Hidenori Hanaoka, Yoshiaki Oda, Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2010, 29(9), 2080-2084.

  5. Rational Design of Silicon-Bridged Fluorenyl-Phenoxy Group 4 Metal Complexes as Catalysts for Producing High Molecular Weight Copolymers of Ethylene and 1-Hexene at Elevated Temperature
    Taichi Senda, Hidenori Hanaoka, Shinya Nakahara, Yoshiaki Oda, Hayato Tsurugi, Kazushi Mashima*
    Macromolecules 2010, 43(5), 2299-2306.

  6. Copper-Mediated Direct Cross-Coupling of 1,3,4-Oxadiazoles and Oxazoles with Terminal Alkynes
    Masanori Kitahara, Koji Hirano, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Chem. Eur. J. 2010, 16(6), 1772-1775.

  7. Highly Reactive Metal-Nitrogen Bond Induced C-H Bond Activation and Azametallacycle Formation
    Tarun K. Panda, Hayato Tsurugi, Kuntal Pal, Hiroshi Kaneko, Kazushi Mashima*
    Organometallics 2010, 29(1), 34-37.

  8. Rhodium/Phosphine/AmineHBr Catalyst System for Highly Selective Cross-Cyclodimerization of Aryl- and Alkylalkynes: Efficient Access to Multisubstituted Naphthalene Derivatives
    Koichi Sakabe, Hayato Tsurugi, Koji Hirano, Tetsuya Satoh, Masahiro Miura*
    Chem. Eur. J. 2010, 16(2), 445-449.

​

2009

  1. Titanium Complexes of Silicon-Bridged Cyclopentadienyl-Phenoxy Ligands Modified with Fused-Thiophene: Synthesis, Characterization, and Their Catalytic Performance in Copolymerization of Ethylene and 1-Hexene
    Taichi Senda, Hidenori Hanaoka, Yoshiya Okado, Yoshiaki Oda,* Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2009, 28(24), 6915-6926.

  2. Substituent Effects on Silicon of Bridged Tetramethylcyclopentadienyl-Phenoxy Titanium Complexes for Controlling the Regiochemistry and Molecular Weight in 1-Olefin Polymerization
    Taichi Senda, Hidenori Hanaoka, Takahiro Hino, Yoshiaki Oda,* Hayato Tsurugi, Kazushi Mashima*
    Macromolecules 2009, 42(21), 8006-8009.

  3. Synthesis and Characterization of Proximal Dinuclear Complexes of Palladium Supported by 2,6-Bis(arylimino)phenoxy (Aryl = 2,6-Diisopropylphenyl and 2,4,6-Tri-tert-butylphenyl) and 3,6-Bis{imino(2,6-diisopropylphenyl)}pyridazine Ligands
    Kouji Ohno, Kenji Arima, Shinji Tanaka, Tsuneaki Yamagata, Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2009, 28(11), 3256-3263.

  4. New Tantalum Ligand-Free Catalyst System for Highly Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism
    Rocio A. Arteaga-Müller, Hayato Tsurugi, Teruhiko Saito, Masaya Yanagawa, Seiji Oda, Kazushi Mashima*
    J. Am. Chem. Soc. 2009, 131(15), 5370-5371.

  5. Tantalum-Benzylidene Complexes Supported by C5Me5 and Diazadiene Ligands: Synthesis, Kinetic Analysis of the Formation, and Reactive Studies
    Hayato Tsurugi, Tsuyoshi Ohno, Tsuyoshi Kanayama, Rocio A. Arteaga-Müller, Kazushi Mashima*
    Organometallics 2009, 28(6), 1950-1960.

  6. Controlled Benzylation of a-Diimine Ligands Bound to Zirconium and Hafnium: An Alternative Method for Preparing Mono- and Bis(amido)M(CH2Ph)n (n = 2,3) Complexes as Catalyst Precursors for Isospecific Polymerization of a-Olefins
    Hayato Tsurugi, Ryuji Ohnishi, Hiroshi Kaneko, Tarun K. Panda, Kazushi Mashima*
    Organometallics 2009, 28(3), 680-687.

​

2008

  1. Ligand-Controlled Cross-Dimerization and -Trimerization of Alkynes under Nickel Catalysis
    Naoto Matsuyama, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Adv. Synth. Catal. 2008, 350(14-15), 2274-2278.

  2. Rhodium-catalyzed (E)-selective cross-dimerization of terminal alkynes
    Takashi Katagiri, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Chem. Commun. 2008, (29), 3405-3407.

  3. Rhodium-catalyzed regioselective arylation of phenylazoles and related compounds with arylation reagents via C-H bond cleavage
    Sawako Miyamura, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    J. Organomet. Chem. 2008, 693(14), 2438-2442.

  4. Rhodium-Catalyzed Anti Selective Cross-Addition of Bis(trimethylsilyl)acetylene to Diarylacetylenes via Carbon-Silicon Bond Cleavage
    Akinobu Horita, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Org. Lett. 2008, 10(9), 1751-1754.

  5. Palladium-Catalyzed Perarylation of 3-Thiophene- and 3-Furancarboxylic Acids Accompanied by C-H Bond Cleavage and Decarboxylation
    Masaya Nakano, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Org. Lett. 2008, 10(9), 1851-1854.

  6. Fluorescent Naphthyl- and Anthrylazoles from the Catalytic Coupling of Phenylazoles with Internal Alkynes through the Cleavage of Multiple C-H Bonds
    Nobuyoshi Umeda, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    Angew. Chem., Int. Ed. 2008, 47(21), 4019-4022.

  7. Rhodium-Catalyzed Oxidative Coupling between Salicylaldehydes and Internal Alkynes with C-H Bond Cleavage to Produce 2,3-Disubstituted Chromones
    Masaki Shimizu, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura,*
    Chem. Asian J. 2008, 3(5), 881-886.

  8. Regioselective C-H Functionalization Directed by a Removable Carboxyl Group: Palladium-Catalyzed Vinylation at the Unusual Position of Indole and Related Heteroaromatic Rings
    Atsushi Maehara, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    Org. Lett. 2008, 10(6), 1159-1162.

  9. Copper-mediated direct arylation of benzoazoles with aryl iodides
    Tomoki Yoshizumi, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura*
    Tetrahedron Lett. 2008, 49(10), 1598-1600.

  10. Palladium/Phosphite or Phosphate Catalyzed Oxidative Coupling of Arylboronic Acids with Alkynes to Produce 1,4-Diaryl-1,3-Butadienes
    Hakaru Horiguchi, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    Adv. Synth. Catal. 2008, 350(3), 509-514.

  11. Palladium/Phosphite-Catalyzed 1,4-Addition of Arylboronic Acids to Acrylic Acid Derivatives
    Hakaru Horiguchi, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    J. Org. Chem. 2008, 73(4), 1590-1592.

  12. Rhodium-Catalyzed Oxidative Coupling of Triarylmethanols with Internal Alkynes via Successive C-H and C-C Bond Cleavage
    Toshihiko Uto, Masaya Shimizu, Kenji Ueura, Hayato Tsurugi, Tetsuya Satoh,* Masahiro Miura*
    J. Org. Chem. 2008, 73(1), 298-300.

  13. Catalytic Synthesis of Oligoene and Enyne Derivatives through Carbometalation of Internal Alkynes
    Tetsuya Satoh, Hayato Tsurugi, Miura Miura*
    Chem. Rec. 2008, 8(5), 326-336. (Review)

​

2007

  1. Benzylation of a-Diimine Ligands Bound to Zirconium and Hafnium. A New Convenient Route to Olefin Polymerization Catalysts
    Kazushi Mashima,* Ryuji Ohnishi, Tsuneaki Yamagata, Hayato Tsurugi
    Chem. Lett. 2007, 36(12), 1420-1421.

  2. Synthesis of Alkylated Benzo[2,1-b:3,4-b’]dithiophenes by Annulative Coupling and Their Direct Arylation under Palladium Catalysis
    Hiroyuki Watanabe, Jun Kumagai, Hayato Tsurugi, Tetsuya Satoh, Masaihro Miura*
    Chem. Lett. 2007, 36(11), 1336-1337.

  3. Rhodium-catalyzed Selective Cross-coupling of Internal Alkynes with a Terminal Silylacetylene
    Takashi Katagiri, Hayato Tsurugi, Atsushi Funayama, Tetsuya Satoh, Masahiro Miura*
    Chem. Lett. 2007, 36(7), 830-831.

  4. Regio- and Stereoselective Cross-Coupling of tert-Propargyl Alcohols with Bis(trimethylsilyl)acetylene and Its Utilization in Constructing a Fluorescent Donor-Acceptor System
    Akinobu Horita, Hayato Tsurugi, Atsushi Funayama, Tetsuya Satoh, Masahiro Miura*
    Org. Lett. 2007, 9(11), 2231-2233.

​

2006

  1. Preparation and Characterization of A Zwitterionic (Iminopyrrolyl)zirconium Complex with Benzylaluminate Anion and Its Catalytic Performance for 1-Hexene Polymerization
    Hayato Tsurugi, Kazushi Mashima*
    Organometallics 2006, 25(22), 5210-5212.

  2. Synthesis, Structure, and Reactivity of Homoenolate Complexes of Tantalum and Tungsten
    Hayato Tsurugi, Tsuyoshi Ohno, Tsuneaki Yamagata, Kazushi Mashima*
    Organometallics 2006, 25(13), 3179-3189.

  3. Preparation and Characterization of Iminopyrrolyl Hafnium Complexes as Catalyst Precursors for a-Olefin Polymerization
    Hayato Tsurugi, Yutaka Matsuo, Kazushi Mashima*
    J. Mol. Catal. A: Chem. 2006, 254(1-2), 131-137.

  4. Neutral versus cationic Group 3 metal alkyl catalysts: performance in intramolecular hydroamination/cyclisation
    Sergio Bambirra, Hayato Tsurugi, Dan van Leusen, Bart Hessen*
    Dalton Trans. 2006, (9), 1157-1161.

​

2005

  1. Uniqueness and Versatility of Iminopyrrolyl Ligands for Transition Metal Complexes
    Kazushi Mashima* Hayato Tsurugi
    J. Organomet. Chem. 2005, 690(20), 4414-4423. (Review)

​

2004

  1. Intramolecular Benzylation of an Imino Group of Tridentat 2,5-Bis(N-aryliminomethyl)pyrrolyl Ligands Bound to Zirconium and Hafnium Gives Amido-pyrrolyl Complexes That Catalyzed Ethylene Polymerization
    Hayato Tsurugi, Yutaka Matsuo, Tsuneaki Yamagata, Kazushi Mashima*
    Organometallics 2004, 23(11), 2797-2805.

​

2003

  1. Synthesis and Structural Characterization of 2,5-Bis(N-aryliminomethyl)pyrrolyl Complexes of Aluminum
    Yutaka Matsuo, Hayato Tsurugi, Tsuneaki Yamagata, Kazuhide Tani, Kazushi Mashima*
    Bull. Chem. Soc. Jpn. 2003, 76(10), 1965-1968.

  2. Unusual Enhancement of Ethylene Polymerization Activity of Benzyl Zirconium Complexes by Benzylation of the Imino Moiety of 2-(N-aryliminomethyl)pyrrolyl Ligand
    Hayato Tsurugi, Tsuneaki Yamagata, Kazushide Tani, Kazushi Mashima*
    Chem. Lett. 2003, 32(8), 756-757.

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