Publications

2019

Takashi Nishikata

Murata, Y.; Takeuchi, K.; Nishikata, T.
The synthetic protocol for α-bromocarbonyl compounds via brominations.
Tetrahedron 2019, in press.
http://dx.doi.org/10.1016/j.tet.2019.03.048

Yamane, Y.; Yoshinaga, K.; Sumimoto, M.; Nishikata, T.
Iron-Enhanced Reactivity of Radicals Enables C-H Tertiary Alkylations for Construction of Functionalized Quaternary Carbons.
ACS Catal. 2019, 9, 1757.
http://dx.doi.org/10.1021/acscatal.8b04872

Shin Kamijo

Ai Takano

Kenta Fujii

Sawayama, S.; Todorov, Y. M.; Mimura, H.; Morita, M.; Fujii, K.
Fluorinated alkyl-phosphate-based electrolytes with controlled lithium-ion coordination structure.
Phys. Chem. Chem. Phys. 2019, 21, 11435.
http://dx.doi.org/10.1039/C9CP01974J

Hashimoto, K.; Kobayashi, Y.; Kokubo, H.; Ueki, T.; Ohara, K.; Fujii, K.; Watanabe, M.
Solvation Structure of Poly(benzyl methacrylate) in a Solvate Ionic Liquid: Preferential Solvation of Li–Glyme Complex Cation.
J. Phys. Chem. B 2019, 123, 4098.
http://dx.doi.org/10.1021/acs.jpcb.9b02458

Yoshitake, M.; Han, J.; Sakai, T.; Morita, M.; Fujii, K.
TetraPEG Network Formation via a Michael Addition Reaction in an Ionic Liquid: Application to Polymer Gel Electrolyte for Electric Double-layer Capacitors.
Chem. Lett. 2019, 48, 704.
http://dx.doi.org/10.1246/cl.190143

Sogawa, M.; Sawayama, S.; Han, J.; Satou, C.; Ohara, K.; Matsugami, M.; Mimura, H.; Morita, M.; Fujii, K.
Role of Solvent Size in Ordered Ionic Structure Formation in Concentrated Electrolytes for Lithium-Ion Batteries.
J. Phys. Chem. C 2019, 123, 8699.
http://dx.doi.org/10.1021/acs.jpcc.9b01038

Tsurumura, T.; HASHIMOTO, Y.; Morita, M.; Umebayashi, Y.; Fujii, K.
Anion Coordination Characteristics of Ion-Pair Complexes in Highly Concentrated Aqueous Lithium Bis(trifluoromethanesulfonyl)amide Electrolytes.
Analytical Sciences 2019, 35, 289.
http://dx.doi.org/10.2116/analsci.18P407

Ishikawa, A.; Sakai, T.; Fujii, K.
An ionic liquid gel with ultralow concentrations of tetra-arm polymers: Gelation kinetics and mechanical and ion-conducting properties.
Polymer 2019, 166, 38.
http://dx.doi.org/10.1016/j.polymer.2019.01.044

Michinori Sumimoto

Yuki Sago

Yuki Hara

Tomohiro Doura

Doura, T.; Nishio, T.; Tamanoi, F.; Nakamura, M.
Relationship between the glutathione-responsive degradability of thiol-organosilica nanoparticles and the chemical structures.
J. Mater. Res. 2019, 34, 1266.
http://dx.doi.org/10.1557/jmr.2018.501

Takuji Kawamoto

Kawamoto, T.; Sasaki, R.; Kamimura, A.; Matsubara, H.
The regioselective trifluoromethylation of 1,3-bis(vinyl triflates) in the absence of external trifluoromethyl sources.
J. Fluorine Chem. 2019, 221, 66.
http://dx.doi.org/10.1016/j.jfluchem.2019.04.002

Kamimura, A.; Shiramatsu, Y.; Kawamoto, T.
Depolymerization of polyamide 6 in hydrophilic ionic liquids.
Green Energy and Environment 2019, in press.
http://dx.doi.org/10.1016/j.gee.2019.01.002

2018

Takashi Nishikata

Yoshinaga, K.; Tsubaki, N.; Murata, Y.; Noda, Y.; Nishikata, T.
Ppm Cu Catalyst Enables tert-Alkylation Followed by C–H Cyclization To Synthesize Substituted Oxindoles.
ACS Omega 2018, 3, 9020.
http://dx.doi.org/10.1021/acsomega.8b01397

Nakamura, K.; Hara, R.; Sunada, Y.; Nishikata, T.
Radical-Organometallic Hybrid Reaction System Enabling Couplings between Tertiary-Alkyl Groups and 1‑Alkenyl Groups.
ACS Catal. 2018, 8, 6791.
http://dx.doi.org/10.1021/acscatal.8b01572
Selected as Cover Art.

Murata, Y.; Nishikata, T.
Facile Synthesis of Single α- tert-Alkylated Acetaldehydes by Hydroxyalkylation of Enamides in Aqueous Solution.
Chem. Eur. J. 2018, 24, 6354.
http://dx.doi.org/10.1002/chem.201801065

Ishida, S.; Sheppard, T.; Nishikata, T.
Site selectivities in fluorination.
Tetrahedron Lett. 2018, 59, 789.
http://dx.doi.org/10.1016/j.tetlet.2018.01.044

Shin Kamijo

Ai Takano

Kenta Fujii

Hashimoto, K.; Fujii, K.; Nishi, K.; Shibayama, M.
Ion Gel Network Formation in an Ionic Liquid Studied by Time- Resolved Small-Angle Neutron Scattering.
J. Phys. Chem. B 2018, 122, 9419.
http://dx.doi.org/10.1021/acs.jpcb.8b08111

Fujii, K.; Sogawa, M.; Yoshimoto, N.; Morita, M.
Structural Study on Magnesium Ion Solvation in Diglyme-Based Electrolytes: IR Spectroscopy and DFT Calculations.
J. Phys. Chem. B 2018, 122, 8712.
http://dx.doi.org/10.1021/acs.jpcb.8b05586

Han, J.; Yoshimoto, N.; Todorov, Y. M.; Fujii, K.; Morita, M.
Characteristics of the electric double-layer capacitors using organic electrolyte solutions containing different alkylammonium cations.
Electrochimica Acta 2018, 281, 510.
http://dx.doi.org/10.1016/j.electacta.2018.06.012

Hashimoto, K.; Fujii, K.; Kusano, T.; Hirosawa, K.; Shibayama, M.
Small-angle X-ray scattering study on nano-scale structures controlled by water content in a binary water/ionic liquid system.
Phys. Chem. Chem. Phys. 2018, 20, 18355.
http://dx.doi.org/10.1039/C8CP00440D

Han, J.; Yoshitake, M.; Sakai, T.; Yoshimoto, N.; Morita, M.; Fujii, K.
Electrochemical Properties of a TetraPEG-based Gel Electrolyte Containing a Nonflammable Fluorinated Alkyl Phosphate for Safer Lithium-ion Batteries.
Chem. Lett. 2018, 47, 909.
http://dx.doi.org/10.1246/cl.180283

Tsurumura, T.; Tanaka, T.; Yagi, K.; Morita, M.; Kameda, Y.; Fujii, K.
Local structures of titanium-ion complexes in redox flow battery electrolytes as revealed by X-ray scattering with difference analysis.
J. Mol. Liquids 2018, 261, 468.
http://dx.doi.org/10.1016/j.molliq.2018.04.074

Sogawa, M.; Kawanoue, H.; Todorov, Y. M.; Hirayama, D.; Mimura, H.; Yoshimoto, N.; Morita, M.; Fujii, K.
Solvation-controlled lithium-ion complexes in a nonflammable solvent containing ethylene carbonate: structural and electrochemical aspects.
Phys. Chem. Chem. Phys. 2018, 20, 6480.
http://dx.doi.org/10.1039/C7CP08511G

Michinori Sumimoto

Yuki Sago

Yuki Hara

Tomohiro Doura

Doura, T.; Tamanoi, F.; Nakamura, M.
Miniaturization of thiol-organosilica nanoparticles induced by an anionic surfactant.
Journal of Colloid and Interface Science 2018, 526, 51.
http://dx.doi.org/10.1016/j.jcis.2018.04.090

Takuji Kawamoto

Kawamoto, T.; Oritani, K.; Curran, D. P.; Kamimura, A.
Thiol-Catalyzed Radical Decyanation of Aliphatic Nitriles with Sodium Borohydride.
Org. Lett. 2018, 20, 2084.
http://dx.doi.org/10.1021/acs.orglett.8b00626

Kawamoto, T.; Shimaya, Y.; Curran, D. P.; Kamimura, A.
Tris(trimethylsilyl)silane-Mediated Reductive Decyanation and Cyano Transfer Reactions of Malononitriles.
Chem. Lett. 2018, 47, 573.
http://dx.doi.org/10.1246/cl.171231

Kamimura, A.; Yoshinaga, T.; Miyazaki, K.; Kawamoto, T.
Comparison of homofugality among alkyl groups attached to tin atom.
Heteroatom Chem. 2018, 2, e21469–7.
http://dx.doi.org/10.1002/hc.21469

Hayashi, Y.; Kranidiotis-Hisatomi, N.; Sakamoto, D.; Oritani, K.; Kawamoto, T.; Kamimura, A.
Asymmetric Michael Reaction of Aldehydes and Dicyanoalkenes Catalyzed by Diphenylprolinol Silyl Ether.
Eur. J. Org. Chem. 2018, 6843–6847.
http://dx.doi.org/10.1002/ejoc.201800831

A Theoretical Study on Radical-Based Aminocarbonylation of Aryl Iodides.
Kawamoto, T.; Matsubara, H.; Fukuyama, T.; Ryu, I.
Chem. Lett. 2018, 47, 1169–1171.
http://dx.doi.org/10.1246/cl.180599

Theoretical Calculations for the 1,4-Hydrogen Shift of 1-Hydroxyallyl Radicals Leading to α-Keto Radicals; Prediction of Facilitation by 1-Amino and 3-Tin Substituents.
Matsubara, H.; Kawamoto, T.; Fukuyama, T.; Ryu, I.
Chem. Lett. 2018, 47, 1197–1199.
http://dx.doi.org/10.1246/cl.180522

Development of a microwave-assisted sustainable conversion of furfural hydrazones to functionalised phthalimides in ionic liquids.
Karaluka, V.; Murata, K.; Masuda, S.; Shiramatsu, Y.; Kawamoto, T.; Hailes, H. C.; Sheppard, T. D.; Kamimura, A.
RSC Adv. 2018, 8, 22617–22624.
http://dx.doi.org/10.1039/C8RA03895C

Solubility-switchable ionic liquids: A control of hydrophilicity and hydrophobicity using a protective group.
Kamimura, A.; Shiramatsu, Y.; Murata, K.; Kawamoto, T.
Chem. Lett. 2018, 47, 1079–1081.
http://dx.doi.org/10.1246/cl.180382

Deltaarenes; novel macrocyclic molecules that are readily available from 1,4-benzoquinone and benzene dithiols.
Kamimura, A.; Watanabe, R.; Fukumitsu, T.; Ikeda, K.; Kawamoto, T.; Sumimoto, M.; Mori, S.; Uno, H.
Tetrahedron 2018, 74, 5303–5308.
http://dx.doi.org/10.1016/j.tet.2018.04.070

Matsubara, H.; Kawamoto, T.; Fukuyama, T.; Ryu, I.
Applications of Radical Carbonylation and Amine Addition Chemistry: 1,4-Hydrogen Transfer of 1‑Hydroxylallyl Radicals.
Acc. Chem. Res. 2018, 51, 2023–2035.
http://dx.doi.org/10.1021/acs.accounts.8b00278

2017

Takashi Nishikata

Nishikata, T.; Ishida, S.; Takeuchi, K.; Taniyama, N.; Sunada, Y.
Copper-catalyzed Amination of Congested and Functionalized α-Bromocarboxamides with Amines or Ammonia at Room Temperature
Angew. Chem. Int. Ed. 2017, 56, 11610.
http://dx.doi.org/10.1002/anie.201706293

Noda, Y.; Nishikata, T.
A highly efficient Cu catalyst system for the radical reactions of α-bromocarbonyls.
Chem. Commun. 2017, 53, 5017.
http://dx.doi.org/10.1039/c7cc01790a

Nakamura, K.; Nishikata, T.
Tandem Reactions Enable Trans- and Cis-Hydro-Tertiary-Alkylations Catalyzed by a Copper Salt.
ACS Catal. 2017, 7, 1049.
http://dx.doi.org/10.1021/acscatal.6b03343

Nishikata, T.; Itonaga, K.; Yamaguchi, N.; Sumimoto, M.
Amine-Controlled Divergent Reaction: Iminolactonization and Olefination in the Presence of a Cu(I) Catalyst.
Org. Lett. 2017, 19, 2686.
http://dx.doi.org/10.1021/acs.orglett.7b01020

Takeuchi, K.; Ishida, S.; Nishikata, T.
Dichloromethane as a Chlorination Reagent for α-Bromocarbonyl Compounds in the Presence of a Copper Catalyst.
Chem. Lett. 2017, 46, 644.
http://dx.doi.org/10.1246/cl.170062

Wada, M.; Noda, Y.; Nishikata, T.
Exchanging Alkyl Groups through Unstrained C−C Bond Cleavage in the Presence of a Copper Catalyst.
Chem. Asian J. 2017, 12, 978.
http://dx.doi.org/10.1002/asia.201700239

Miwa, N.; Yamane, Y.; Nishikata, T.
A Ligand Containing Five Nitrogen Atoms Enabled Efficient Homocyclization of α-Bromocarbonyl Amides in the Presence of a Copper Catalyst.
Chem. Lett. 2017, 46, 563.
http://dx.doi.org/10.1246/cl.170039

Tanaka, C.; Nakamura, K.; Nishikata, T.
Copper-catalyzed reductive borylations on water.
Tetrahedron 2017, 73, 3999.
http://dx.doi.org/10.1016/j.tet.2017.05.086

Yamane, Y.; Miwa, N.; Nishikata, T.
Copper-Catalyzed Functionalized Tertiary-Alkylative Sonogashira Type Couplings via Copper Acetylide at Room Temperature.
ACS Catal. 2017, 7, 6872.
http://dx.doi.org/10.1021/acscatal.7b02615

Shin Kamijo

Kamijo, S.; Kamijo, K.; Murafuji, T.
Synthesis of Alkylated Pyrimidines via Photoinduced Coupling Using Benzophenone as a Mediator.
J. Org. Chem. 2017, 82, 2664.
http://dx.doi.org/10.1021/acs.joc.6b03058

Ai Takano

Furuno, K.; Lee, K.; Itoh, Y.; Suzuki, K.; Yonemitsu, K.; Kuwata, R.; Shimoda, H.; Watarai, M.; Maeda, K.; Takano, A.
Epidemiological study of relapsing fever borreliae detected in Haemaphysalis ticks and wild animals in the western part of Japan.
PLoS ONE 2017, 12, e0174727.
http://dx.doi.org/10.1371/journal.pone.0174727

Kenta Fujii

Todorov, Y. M.; Fujii, K.; Yoshimoto, N.; Hirayama, D.; Aoki, M.; Mimura, H.; Morita, M.
Ion-solvation structure and battery electrode characteristics of nonflammable organic electrolytes based on tris(trifluoroethyl)phosphate dissolving lithium salts.
Phys. Chem. Chem. Phys. 2017, 19, 31085.
http://dx.doi.org/10.1039/c7cp06438a

Sadakane, K.; Fujii, K.; Tsuzuki, S.; Watanabe, H.; Umebayashi, Y.
Solvation state of sodium tetraphenylborate in 3-methylpyridine and its aqueous solutions.
J. Mol. Liquids 2017, 248, 53.
http://dx.doi.org/10.1016/j.molliq.2017.10.006

Nishi, K.; Fujii, K.; Chung, U.-I.; Shibayama, M.; Sakai, T.
Experimental Observation of Two Features Unexpected from the Classical Theories of Rubber Elasticity.
Phys. Rev. Lett. 2017, 119, 601.
http://dx.doi.org/10.1103/PhysRevLett.119.267801

Yoshitake, M.; Kamiyama, Y.; Nishi, K.; Yoshimoto, N.; Morita, M.; Sakai, T.; Fujii, K.
Defect-free network formation and swelling behavior in ionic liquid-based electrolytes of tetra-arm polymers synthesized using a Michael addition reaction.
Phys. Chem. Chem. Phys. 2017, 19, 29984.
http://dx.doi.org/10.1039/c7cp06126a

Fujii, K.; Matsugami, M.; Ueno, K.; Ohara, K.; Sogawa, M.; Utsunomiya, T.; Morita, M.
Long-Range Ion-Ordering in Salt-Concentrated Lithium-Ion Battery Electrolytes: A Combined High-Energy X-ray Total Scattering and Molecular Dynamics Simulation Study.
J. Phys. Chem. C 2017, 121, 22720.
http://dx.doi.org/10.1021/acs.jpcc.7b08243

Hirosawa, K.; Fujii, K.; Hashimoto, K.; Shibayama, M.
Solvated Structure of Cellulose in a Phosphonate-Based Ionic Liquid.
Macromolecules 2017, 50, 6509.
http://dx.doi.org/10.1021/acs.macromol.7b01138

Sogawa, M.; Todorov, Y. M.; Hirayama, D.; Mimura, H.; Yoshimoto, N.; Morita, M.; Fujii, K.
Role of Solvent Bulkiness on Lithium-Ion Solvation in Fluorinated Alkyl Phosphate-Based Electrolytes: Structural Study for Designing Nonflammable Lithium-Ion Batteries.
J. Phys. Chem. C 2017, 121, 19112.
http://dx.doi.org/10.1021/acs.jpcc.7b06910

Sai, R.; Ueno, K.; Fujii, K.; Nakano, Y.; Tsutsumi, H.
Steric effect on Li+ coordination and transport properties in polyoxetane-based polymer electrolytes bearing nitrile groups.
RSC Adv. 2017, 7, 37975.
http://dx.doi.org/10.1039/C7RA07636C

Sai, R.; Ueno, K.; Fujii, K.; Nakano, Y.; Shigaki, N.; Tsutsumi, H.
Role of polar side chains in Li+ coordination and transport properties of polyoxetane-based polymer electrolytes.
Phys. Chem. Chem. Phys. 2017, 19, 5185.
http://dx.doi.org/10.1039/C6CP08386B

Hashimoto, K.; Fujii, K.; Ohara, K.; Shibayama, M.
Effect of protonation on the solvation structure of solute N-butylamine in an aprotic ionic liquid.
Phys. Chem. Chem. Phys.2017, 19, 8194.
http://dx.doi.org/10.1039/C6CP08247E

Fujii, K.; Ueki, T.; Hashimoto, K.; Kobayashi, Y.; Kitazawa, Y.; Hirosawa, K.; Matsugami, M.; Ohara, K.; Watanabe, M.; Shibayama, M.
Microscopic Structure of Solvated Poly(benzyl methacrylate) in an Imidazolium-Based Ionic Liquid: High-Energy X-ray Total Scattering and All-Atom MD Simulation Study.
Macromolecules 2017, 50, 4780.
http://dx.doi.org/10.1021/acs.macromol.7b00840

Fujii, K.; Yoshitake, M.; Watanabe, H.; Takamuku, T.; Umebayashi, Y.
Hydrogen bonding in protic and aprotic amide mixtures: Low-frequency Raman spectroscopy, small-angle neutron scattering, and molecular dynamics simulations.
J. Mol. Liquids 2017, 238, 518.
http://dx.doi.org/10.1016/j.molliq.2017.05.017

Michinori Sumimoto

Hamamoto, N.; Sonoda, H.; Sumimoto, M.; Hori, K.; Fujimoto, H.
Theoretical study on crystal polymorphism and electronic structure of lead(ii) phthalocyanine using model dimers.
RSC Adv. 2017, 7, 8646.
http://dx.doi.org/10.1039/C6RA27269J

Yoshikawa, Y.; Yamakawa, M.; Kobayashi, T.; Murai, K.; Arisawa, M.; Sumimoto, M.; Fujioka, H.
First Asymmetric Total Synthesis and Insight into the Structure of Laurenidificin.
Eur. J. Org. Chem. 2017, 2715.
http://dx.doi.org/10.1002/ejoc.201700321

Yuki Sago

Nomiyama, R.; Yasutake, D.; Sago, Y.; Kitano, M.
Application of Transpiration Integrated Model to Simulation of Dynamics of Ion Absorption by Tomato Roots Growing in Soil-less Culture.
Environ. Control Biol. 2017, 55, 29.
http://dx.doi.org/10.2525/ecb.55.29

Yuki Hara

Tomohiro Doura

Doura, T.; Takahashi, K.; Ogra, Y.; Suzuki, N.
Combretastatin A4-β-Galactosyl Conjugates for Ovarian Cancer Prodrug Monotherapy.
ACS Med. Chem. Lett. 2017, 8, 211.
http://dx.doi.org/10.1021/acsmedchemlett.6b00427

 

Takuji Kawamoto

Kawamoto, T.; Sasaki, R.; Kamimura,
A. Synthesis of α‐Trifluoromethylated Ketones from Vinyl Triflates in the Absence of External Trifluoromethyl Sources.
Angew. Chem. Int. Ed. 2017, 56, 1342.
http://dx.doi.org/10.1002/ange.201608591

Allen, T. H.; Kawamoto, T.; Gardner, S.; Geib, S. J.; Curran, D. P.
N-Heterocyclic Carbene Boryl Iodides Catalyze Insertion Reactions of N-Heterocyclic Carbene Boranes and Diazoesters.
Org. Lett. 2017, 19, 3680.
http://dx.doi.org/10.1021/acs.orglett.7b01777

Kamimura, A.; Murata, K.; Kawamoto, T.
An efficient and selective conversion of sorbitol in ionic liquids: Use of ion exchange resin as a solid acid catalyst.
Tetrahedron Lett. 2017, 58, 3616.
http://dx.doi.org/10.1016/j.tetlet.2017.07.105

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