Yoshifumi HASHIKAWA
Degree: D. Eng.
Position: Assistant Professor (Institute for Chemical Research, Kyoto University)

Area of expertise:
Biochemistry (Drug Delivery), Safety Engineering, Fullerene Chemistry, Structural Organic Chemistry, Nuclear Magnetic Resonance

Contact:
hashi[at]scl.kyoto-u.ac.jp

京都大学 教育研究活動データベース
Researchmap (7000019583)
e-Rad researcher number/KAKENHI ID (80804343)
J-GLOBAL ID (201701017196933787)
ORCID (0000-0001-7834-9593)
Scopus Author ID (56198544000)
Web of Science Researcher ID (L-6034-2018)

Education & Carrier

2019.7	Doctor of Philosophy (Enginnering), Kyoto University
2017.4-	Assistant Professor, Institute for Chemical Research, Kyoto University
2015.4-2017.3.	JSPS Resarch Fellow (DC1)
2015.3.	M. Eng., Department of Energy and Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Kyoto, Japan (Assist. Prof. M. Murata, Assoc. Prof. A. Wakamiya, Prof. Y. Murata)
2012.2.-2013.3	Instructor for Fire & Explosion Training, Sumitomo Chemical Co., Ltd.
2010.4.-2013.3	Safety Engineering Group, Ehime Laboratory, Sumika Chemical Analysis Service, Ltd., Ehime, Japan
2010.3.	Associate degree, Department of Applied Chemistry and Biotechnology, Niihama National College of Technology, Ehime, Japan (Prof. K. Ushio)

Publications

--- Reviews ---

R1．Water in Fullerenes.

Yoshifumi Hashikawa,* Yasujiro Murata*
Bull. Chem. Soc. Jpn. 2023, 96, 943–967. (Account/Review)
DOI: 10.1246/bcsj.20230135.
Invited Paper in Virtual Special Issue (BCSJ Diamond Collection) of Controlled Chemical Construction (C3) for Advanced Functions
Award Account
Selected as Memorial Collection for CSJ/OUP Co-Operative Publication
Selected as Cover Picture

--- Original Papers ---

81．A Rigid Chiral Nanocarbon Host: Are its Properties Perturbed by a Guest?

Yoshifumi Hashikawa,* Yasujiro Murata*
Carbon 2025, 240, 120366. (Research Article)
DOI: 10.1016/j.carbon.2025.120366.

80．GeCl₂-Mediated Ring Contraction toward Endofullerenes.

Shumpei Sadai, Yoshifumi Hashikawa,* Yasujiro Murata*
J. Org. Chem. 2025, 90, 4993–4999. (Article)
DOI: 10.1021/acs.joc.5c00217.
Selected as Front Cover

79．Synthesis of Alternatively-Twisted Nanographenes by Semi-Deprotection-Induced Cyclization.

Zhenxun Xu, Suriguga Meng, Zhiyu Zhang, Shuqin Han,* Fenghua Bai,* Yanping Dong, Yoshifumi Hashikawa,* Chaolumen*
Precis. Chem. 2025, xx, xxx–xxx. (Article)
DOI: 10.1021/prechem.5c00001.
Selected as Journal Cover

78．A Small Aperture Enabling the Encapsulation of HF in [60]Fullerene.

Shumpei Sadai, Yoshifumi Hashikawa,* Yasujiro Murata*
Carbon Reports 2025, 4, 8994. (Research Paper)
DOI: 10.7209/carbon.040106.

77．Chiroptical Response of Carbon Nanocages Enhanced by Achiral Guests.

Yoshifumi Hashikawa,* Koki Fujimura, Yoshihiro Ueda, Norihisa Fukaya, Takeo Kawabata, Yasujiro Murata*
Angew. Chem., Int. Ed. 2025, 64, e202421859. (Research Article)
DOI: 10.1002/anie.202421859.

76．Single-Sided Delocalized Polarization of the C₆₀ Cage and Reduced Infrared Intensities and Dipole Moment of H₂O@C₆₀.

Hajime Torii,* Shumpei Sadai, Yoshifumi Hashikawa,* Yasujiro Murata, Yuka Ikemoto*
J. Phys. Chem. A 2024, 128, 10867–10874. (Article)
DOI: 10.1021/acs.jpca.4c07072.

75．Chemical Oxidation of a Double-Twisted Nanographene.

Zhiyu Zhang, Yoshifumi Hashikawa,* Chaolumen*
Chem. Commun. 2024, 60, 13875–13878. (Communication)
DOI: 10.1039/D4CC05264A.
Selected as Chemical Communications HOT Articles 2024
Selected as Outside Back Cover (CC 2024, 60, 13972. DOI: 10.1039/D4CC90415J.)

74．Twisted Nanographenes with Robust Conformational Stability.

Penghui Song, Yoshifumi Hashikawa,* Chaolumen*
Nanomaterials 2024, 14, 1737. (Article)
DOI: 10.3390/nano14211737.
Invited paper in a section of 2D and Carbon Nanomaterials
Selected as Cover Picture

73．A Double Twisted Nanographene with a Contorted Pyrene Core.

Yanping Dong, Zhiyu Zhang, Yoshifumi Hashikawa,* He Meng, Fenghua Bai,* Kenichiro Itami, Chaolumen*
Angew. Chem., Int. Ed. 2024, 63, e202406927. (Research Article)
DOI: 10.1002/anie.202406927.
Highlighted in ChemistryViews
Press Release from Inner Mongolia Univ.
Selected as Front Cover (ACIE 2024, 63, e202412809. DOI: 10.1002/anie.202412809.)
Selected as HOT paper

72．Solution Dynamics of Covalent Open-[60]Fullerene Dimers.

Shu Okamoto, Yoshifumi Hashikawa,* Yasujiro Murata*
ChemPlusChem 2024, 89, e202400260. (Research Article)
DOI: 10.1002/cplu.202400260.

71．Phosphine-Mediated Dimerization of Open-[60]Fullerenes.

Shu Okamoto, Yoshifumi Hashikawa,* Yasujiro Murata*
Chem. Asian J. 2024, xx, e202400142. (Research Article)
DOI: 10.1002/asia.202400142.
Selected as Front Cover (CAJ 2024, 19, e202481101. DOI: 10.1002/asia.202481101.)

70．Reactions of Diaminonaphthalenes with a Cage-Opened C₆₀ Derivative.

Guanglin Huang, Shumpei Sadai, Yoshifumi Hashikawa, Yasujiro Murata*
Asian J. Org. Chem. 2024, 13, e202300634. (Research Article)
DOI: 10.1002/ajoc.202300634.

69．Water Adsorption on π-Surfaces of Open-Fullerenes.

Yoshifumi Hashikawa,* Shumpei Sadai, Yuka Ikemoto, Yasujiro Murata*
J. Phys. Chem. A 2024, 128, 2782–2788. (Article)
DOI: 10.1021/acs.jpca.4c01157.

68．Direct Through-Space Substituent–π Interactions in Noncovalent Arene–Fullerene Assemblies.

Yoshifumi Hashikawa,* Yasujiro Murata*
Chem. Asian J. 2024, 19, e202400075. (Research Article)
DOI: 10.1002/asia.202400075.

67．An Open-Cage Bis[60]fulleroid as an Electron Transport Material for Tin Halide Perovskite Solar Cells.

Wentao Liu, Guanglin Huang, Chien-Yu Chen, Tiancheng Tan, Harata Fuyuki, Shuaifeng Hu, Tomoya Nakamura, Minh Anh Truong, Richard Murdey, Yoshifumi Hashikawa, Yasujiro Murata,* Atsushi Wakamiya*
Chem. Commun. 2024, 60, 2172–2175. (Communication)
DOI: 10.1039/D3CC05843C.
Selected as Inside Front Cover (CC 2024, 60, 2106. DOI: 10.1039/D4CC90063D.)
Press Release from ICR, Kyoto. Univ.
Highlighted in NIKKEI Tech Foresight, OPTRONICS ONLINE, 日本の研究.com

66．Synthesis of Inter-[60]Fullerene Conjugates with Inherent Chirality.

Yoshifumi Hashikawa,* Shu Okamoto, Yasujiro Murata*
Nat. Commun. 2024, 15, 514. (Communication)
DOI: 10.1038/s41467-024-44834-x.
Featured in Editors' Highlights
Posted on Behind the Paper
Highly Cited Paper Recognized by Clarivate

65．Cobalt-Functionalized Open-[60]Fullerenes.

Yoshifumi Hashikawa,* Yasujiro Murata*
Organometallics 2024, 43, 227–232. (Communication)
DOI: 10.1021/acs.organomet.3c00484.
Selected as Journal Cover

64．Open-[60]Fullerenols with Water Adsorbed both Inside and Outside.

Yoshifumi Hashikawa,* Shumpei Sadai, Yuka Ikemoto, Yasujiro Murata*
Chem. Commun. 2024, 60, 1261–1264. (Communication)
DOI: 10.1039/d3cc05542f.
Selected as Outside Back Cover (CC 2024, 60, 1350. DOI: 10.1039/D4CC90042A.)

63．Molecular CO₂ Storage: State of a Single-Molecule Gas.

Yoshifumi Hashikawa,* Shumpei Sadai, Yasujiro Murata*
ACS Phys. Chem. Au 2024, 4, 143–147. (Letter)
DOI: 10.1021/acsphyschemau.3c00068.
Selected as Front Cover

62．Synthesis of an Open-Cage C₆₀ Derivative with a Double Stopper.

Guanglin Huang, Yoshifumi Hashikawa, Yasujiro Murata*
ChemistrySelect 2023, 8, e202304880. (Research Article)
DOI: 10.1002/slct.202304880.
Selected in Special Collections: Organic & Supramolecular Chemistry

61．CH₃CN@open-C₆₀: An Effective Inner-Space Modification and Isotope Effect inside a Nano-Sized Flask.

Guanglin Huang, Yuki Ide, Yoshifumi Hashikawa, Takashi Hirose, Yasujiro Murata*
Chem.–Eur. J. 2023, 29, e202301161. (Research Article)
DOI: 10.1002/chem.202301161.
Selected as Hot Paper
Selected as Cover Picture (CEJ 2023, 29, e202302278. DOI: 10.1002/chem.202302278.)

60．Construction of a 21-Membered-Ring Orifice on [60]Fullerene.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
ChemPlusChem 2023, 88, e202300225. (Research Article)
DOI: 10.1002/cplu.202300225.
Highlighted in ChemistryViews
Selected as Cover Picture (CPlusC 2023, 88, e202300298. DOI: 10.1002/cplu.202300298.)

59．Bilateral π-Extension of an Open-[60]Fullerene in a Helical Manner.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
Chem. Commun. 2023, 59, 6560–6563. (Communication)
DOI: 10.1039/D3CC00784G.

58．Open-[60]Fullerene–Aniline Conjugates with Near-Infrared Absorption.

Shumpei Sadai, Yoshifumi Hashikawa, Yasujiro Murata*
RSC Adv. 2023, 13, 14575–14579. (Paper)
DOI: 10.1039/d3ra02113k.

57．Synthesis of Open-[70]Fullerenes Bearing Huge Orifices.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
Chem. Commun. 2023, 59, 7387–7390. (Communication)
DOI: 10.1039/D3CC01717F.

56．π-Extended Open-[70]Fullerenes with a Fused Azaacene.

Shumpei Sadai, Yoshifumi Hashikawa, Yasujiro Murata*
Org. Lett. 2023, 25, 2815–2819. (Letter)
DOI: 10.1021/acs.orglett.3c00726.
Selected as Journal Cover

55．Synthesis of Hydrogen-Bonded Open-[60]Fullerenol Dimers.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
ChemPlusChem 2023, 88, e202300136. (Research Article)
DOI: 10.1002/cplu.202300136.
Highlighted in ChemistryViews

54．C2-Insertion into a Fullerene Orifice.

Yoshifumi Hashikawa, Yasujiro Murata*
Chem. Commun. 2023, 59, 1645–1648. (Communication)
DOI: 10.1039/d2cc06531b.

53．Near-Infrared-Absorbing Chiral Open [60]Fullerenes.

Yoshifumi Hashikawa, Shumpei, Sadai, Shu Okamoto, Yasujiro Murata*
Angew. Chem., Int. Ed. 2023, 62, e202215380. (Research Article)
DOI: 10.1002/anie.202215380.

52．Utilization of sym-Tetrazines as Guanidine Delivery Cycloaddition Reagents. An Experimental and Computational Study.

Anamarija Briš, Yasujiro Murata, Yoshifumi Hashikawa, Davor Margetić*
J. Mol. Struct. 2023, 1272, 134207. (Research Article)
DOI: 10.1016/j.molstruc.2022.134207.

51．π-Extended Fullerenes with a Reactant Inside.

Yoshifumi Hashikawa, Nana Fujikawa, Yasujiro Murata*
J. Am. Chem. Soc. 2022, 144, 23292–23296. (Communication)
DOI: 10.1021/jacs.2c12259.
Highlighted in ChemistryViews
Highlighted in JACS Spotlight (JACS 2023, 145, 1997. DOI: 10.1021/jacs.3c00911.)

50．Phosphorus Ylides of Cage-Opened Sulphide [60]Fullerene Derivatives.

Yoshifumi Hashikawa, Nana Fujikawa, Shu Okamoto, Yasujiro Murata*
Dalton Trans. 2022, 51, 17804–17808. (Paper)
DOI: 10.1039/d2dt03214g.

49．Chiral Open-[60]Fullerene Ligands with Giant Dissymmetry Factors.

Yoshifumi Hashikawa, Shu Okamoto, Shumpei Sadai, Yasujiro Murata*
J. Am. Chem. Soc. 2022, 144, 18829–18833. (Communication)
DOI: 10.1021/jacs.2c09556.

48．Aniline-Mediated Imination and Reduction of a Cage-Opened C₆₀ Derivative.

Yoshifumi Hashikawa, Yasujiro Murata*
Asian J. Org. Chem. 2022, 11, e202200357. (Research Article)
DOI: 10.1002/ajoc.202200357.

47．Selective Addition of Aniline to a Cage-Opened Diketo Anhydride Derivative of C₆₀.

Yoshifumi Hashikawa, Shumpei Sadai, Jiayue Li, Shu Okamoto, Yasujiro Murata*
Chem. Lett. 2022, 51, 949–952. (Letter)
DOI: 10.1246/cl.220285.

46．Consecutive Utilization of Mechanochemical and Microwave Methods for the Synthesis of Boc-2-amino-quinazolin-4(3H)-ones and DFT Study of Mechanism 6π-Diazaelectrocyclization Process.

Ivana Antol, Zoran Glasovac, Yasujiro Murata, Yoshifumi Hashikawa, Davor Margetic*
ChemistrySelect 2022, 7, e202200633. (Research Article)
DOI: 10.1002/slct.202200633.
Selected as Cover Picture (CSelect 2022, 7, e202200896. DOI: 10.1002/slct.202200896.)
Selected in a Themed Collection: Organic & Supramolecular Chemistry

45．π-Backbonding in Group 9 Metal Complexes Bearing an η²-(H₂O@C₆₀) Ligand.

Yoshifumi Hashikawa, Hiroto Kawasaki, Yasujiro Murata*
Organometallics 2022, 41, 354–359. (Article)
DOI: 10.1021/acs.organomet.1c00706.

44．Hydrogenation of Cage-Opened C₆₀ Derivatives Mediated by Frustrated Lewis Pairs.

Yoshifumi Hashikawa, Yasujiro Murata*
Org. Biomol. Chem. 2022, 20, 1000–1003. (Communication)
DOI: 10.1039/d1ob02316k.
Selected in a Themed Collection: Supramolecular Chemistry in OBC

43．Cage-Opened C₆₀ Isomers with Different Reactivities.

Sheng Zhang, Yoshifumi Hashikawa, Yasujiro Murata*
Asian J. Org. Chem. 2022, 11, e202100676. (Research Article)
DOI: 10.1002/ajoc.202100676.

42．An H₂O₂ Molecule Stabilized inside Open-Cage C₆₀ Derivatives by a Hydroxy Stopper.

Guanglin Huang, Shota Hasegawa, Yoshifumi Hashikawa, Yuki Ide, Takashi Hirose, Yasujiro Murata*
Chem.–Eur. J. 2022, 28, e202103836. (Research Article)
DOI: 10.1002/chem.202103836.
Selected as Very Important Paper

41．Amino-Functionalized Cage-Opened C₆₀ Derivatives.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
Org. Lett. 2021, 23, 9586–9590. (Letter)
DOI: 10.1021/acs.orglett.1c03798.
Selected as Journal Cover

40．Inelastic Electron Transport and Ortho–Para Fluctuation of Water Molecule in H₂O@C₆₀ Single Molecule Transistors.

Shaoqing Du,* Yoshifumi Hashikawa, Haruka Ito, Katsushi Hashimoto, Yasujiro Murata, Yoshiro Hirayama, Kazuhiko Hirakawa*
Nano Lett. 2021, 21, 10346–10353. (Letter)
DOI: 10.1021/acs.nanolett.1c03604.
Press Release from The Univ. of Tokyo, Kyoto Univ., and Tohoku Univ.
Highlighted in Phys.org, Nanowerk, Technology Networks, Tech+, AZO Materials, Nanotechnology Now, Chemeurope.com, EurekAlert!, OPTRONICS, Nikkan Kogyo Shimbun, Tii Gijutu Joho, TechCrunch, Nihon Keizai Shimbun, and ZME Science.

39．Reductive Decarbonylation of a Cage-Opened C₆₀ Derivative.

Yoshifumi Hashikawa, Shumpei Sadai, Yasujiro Murata*
Org. Lett. 2021, 23, 9495–9499. (Letter)
DOI: 10.1021/acs.orglett.1c03694.
Selected as Journal Cover

38．Synthesis and Oligomerization of CpM(CO)₂.

Yoshifumi Hashikawa, Yasujiro Murata*
ACS Omega 2021, 6, 34137–34141. (Article)
DOI: 10.1021/acsomega.1c05739.
Selected as Journal Cover

37．Water-Mediated Thermal Rearrangement of a Cage-Opened C₆₀ Derivative.

Yoshifumi Hashikawa, Yasujiro Murata*
ChemPlusChem 2021, 86, 1559–1562. (Communication)
DOI: 10.1002/cplu.202100421.
Selected as Cover Feature (CPlusC 2021, 86, 1545. DOI: 10.1002/cplu.202100485.)

36．Cage-Expansion of Fullerenes.

Sheng Zhang, Yoshifumi Hashikawa, Yasujiro Murata*
J. Am. Chem. Soc. 2021, 143, 12450–12454. (Communication)
DOI: 10.1021/jacs.1c05778.
Highlighted in Chem Station

35．Pressure-Induced Annulative Orifice Closure of a Cage-Opened C₆₀ Derivative.

Yoshifumi Hashikawa, Kazuro Kizaki, Yasujiro Murata*
Chem. Commun. 2021, 57, 5322–5325. (Communication)
DOI: 10.1039/D1CC01662H.

34．Dynamics and Magnetic Properties of NO Molecules Encapsulated in Open-Cage Fullerene Derivatives Evidenced by Low Temperature Heat Capacity.

Yoji Horii,* Hal Suzuki,* Yuji Miyazaki,* Motohiro Nakano, Shota Hasegawa, Yoshifumi Hashikawa, Yasujiro Murata
Phys. Chem. Chem. Phys. 2021, 23, 10251–10256. (Paper)
DOI: 10.1039/D1CP00482D.
Selected as a Themed Collection: 2021 PCCP HOT Articles

33．Photochemical Orifice Expansion of a Cage-Opened C₆₀ Derivative.

Yoshifumi Hashikawa, Shota Hasegawa, Yasujiro Murata*
Org. Lett. 2021, 23, 3854–3858. (Letter)
DOI: 10.1021/acs.orglett.1c00990.
Selected as Journal Cover

32．Reactions of C₆₀ with Pyridazine and Phthalazine.

Yoshifumi Hashikawa, Hui Li, Yasujiro Murata*
Chem.–Eur. J. 2021, 27, 7507–7511. (Communication)
DOI: 10.1002/chem.202100711.

31．Reactions on a 1,2-Dicarbonyl Moiety of a Fullerene Skeleton.

Yoshifumi Hashikawa, Jiayue Li, Shu Okamoto, Yasujiro Murata*
Chem.–Eur. J. 2021, 27, 7235–7238. (Communication)
DOI: 10.1002/chem.202100640.

30．Non-Classical Abramov Products Formed on Orifices of Cage-Opened C₆₀ Derivatives.

Yoshifumi Hashikawa, Shu Okamoto, Yasujiro Murata*
Chem.–Eur. J. 2021, 27, 4864–4868. (Communication)
DOI: 10.1002/chem.202004035.
Selected as Cover Picture (CEJ 2021, 27, 4756. DOI: 10.1002/chem202005346.)

29．Precise Fixation of an NO molecule inside Carbon Nanopores: A Long-Range Electron–Nuclear Interaction.

Yoshifumi Hashikawa, Shota Hasegawa, Yasujiro Murata*
Angew. Chem., Int. Ed. 2021, 60, 2866–2870. (Communication)
DOI: 10.1002/anie.202012538.

28．Double-Holed Fullerenes.

Yoshifumi Hashikawa, Teppei Fushino, Yasujiro Murata*
J. Am. Chem. Soc. 2020, 142, 20572–20576. (Communication)
DOI: 10.1021/jacs.0c10676.
Selected as Journal Cover

27．An Orifice Design: Water Insertion into C₆₀.

Yoshifumi Hashikawa, Kazuro Kizaki, Takashi Hirose, Yasujiro Murata*
RSC Adv. 2020, 10, 40406–40410. (Paper)
DOI: 10.1039/d0ra09067k.

26．Cation Recognition on a Fullerene-Based Macrocycle.

Yoshifumi Hashikawa, Yasujiro Murata*
Chem. Sci. 2020, 11, 12428–12435. (Edge Article)
DOI: 10.1039/d0sc05280a.
Selected as Inside Cover Picture (ChemSci 2020, 11, 12376. DOI: 10.1039/D0SC90271C.)
Selected as 2020 Chemical Science HOT Article

25．Synthesis of a Dihydroxylated Open-Cage [70]Fullerene by a Reductive Ring-Closure Reaction.

Yoshifumi Hashikawa, Yuma Shimizu, Yasujiro Murata*
Org. Lett. 2020, 22, 8624–8628. (Letter)
DOI: 10.1021/acs.orglett.0c03216.
Selected in a Virtual Issue: Molecular Nanocarbons: Organic Chemistry with Atomic Precision (copublished by OL and JOC)

24．EPR Study of NO Radicals Encased in Modified Open C₆₀ Fullerenes.

Klaus-Peter Dinse, Tatsuhisa Kato, Shota Hasegawa, Yoshifumi Hashikawa, Yasujiro Murata, Robert Bittl*
Magn. Reson. 2020, 1, 197–207. (Article)
DOI: 10.5194/mr-1-197-2020.

23．Organophosphorus Zwitterions Engaged in a Conjugated Macrocycle on Fullerene.

Yoshifumi Hashikawa, Shu Okamoto, Yasujiro Murata*
Commun. Chem. 2020, 3, 90. (Article)
DOI: 10.1038/s42004-020-00340-x.
Posted on Behind the Paper

22．A Single H₂O Molecule inside Hydrophobic Carbon Nanocavities: Effect of Local Electrostatic Potential.

Yoshifumi Hashikawa, Yasujiro Murata*
Chem. Lett. 2020, 49, 244–247. (Letter)
DOI: 10.1246/cl.190874.

21．Propeller-Shaped Aluminum Complexes with an Azaperylene Core in the Ligands.

Masahiro Tsukao, Yoshifumi Hashikawa, Nana Toyama, Masahiro Muraoka, Michihisa Murata,* Takahiro Sasamori, Atsushi Wakamiya, Yasujiro Murata*
Inorganics 2019, 7, 109. (Communication)
DOI: 10.3390/inorganics7090109.
Special issue: Organoaluminum Compounds
Selected as Cover Picture

20．H₂O/Olefinic-π Interaction inside a Carbon Nanocage.

Yoshifumi Hashikawa, Yasujiro Murata*
J. Am. Chem. Soc. 2019, 141, 12928–12938. (Article)
DOI: 10.1021/jacs.9b06759.
Selected as Journal Cover

19．Tuneable Single-Molecule Electronic Conductance of C₆₀ by Encapsulation.

Shintaro Fujii,* Haruna Cho, Yoshifumi Hashikawa, Tomoaki Nishino, Yasujiro Murata,* Manabu Kiguchi*
Phys. Chem. Chem. Phys. 2019, 21, 12606–12610. (Advance Article)
DOI: 10.1039/C9CP02469G.

18．Rotational Motion and Nuclear Spin Interconversion of H₂O Encapsulated in C₆₀ Appearing in the Low-Temperature Heat Capacity.

Hal Suzuki,* Motohiro Nakano, Yoshifumi Hashikawa, Yasujiro Murata
J. Phys. Chem. Lett. 2019, 10, 1306–1311. (Letter)
DOI: 10.1021/acs.jpclett.9b00311.

17．Probing the Regioselectivity with Encapsulated H₂: Diels-Alder Reaction of an Open-Cage C₆₀ Derivative with Anthracene.

Yoshifumi Hashikawa, Yasujiro Murata*
Chem.–Eur. J. 2019, 25, 2482–2485. (Communication)
DOI: 10.1002/chem.201806030.
Selected paper in the special issue of ISNA-18: Novel Aromatics

16．Wavelength-Dependent Efficiency of Sequential Photooxygenation: C=C Bond Cleavage on Open-Cage C₆₀ Derivatives.

Yoshifumi Hashikawa, Yasujiro Murata*
ChemPlusChem 2018, 83, 1179–1183. (Communication)
DOI: 10.1002/cplu.201800464.
Invited paper in the special issue of ISNA-18: Novel Aromatics
Selected as Cover Feature (CPlusC 2019, 84, 554. DOI: 10.1002/cplu.201900233.)
Highlighted in ChemistryViews

15．A Single but Hydrogen-Bonded Water Molecule Confined in an Anisotropic Subnanospace.

Yoshifumi Hashikawa, Shota Hasegawa, Yasujiro Murata*
Chem. Commun. 2018, 54, 13686–13689. (Communication)
DOI: 10.1039/c8cc07339b.

14．Construction of a Metal-Free Electron Spin System by Encapsulation of an NO Molecule inside an Open-Cage Fullerene C₆₀ Derivative.

Shota Hasegawa, Yoshifumi Hashikawa, Tatsuhisa Kato, Yasujiro Murata*
Angew. Chem., Int. Ed. 2018, 138, 4096–4104. (Communication)
DOI: 10.1002/anie.201807823.
Selected paper in the special issue of ISNA-18: Novel Aromatics

13．Probing the Interaction between the Encapsulated Water Molecule and the Fullerene Cages in H₂O@C₆₀^– and H₂O@C₅₉N^–.

Guo-Zhu Zhu, Yuan Liu, Yoshifumi Hashikawa, Qian-Fan Zhang, Yasujiro Murata, Lai-Sheng Wang*
Chem. Sci. 2018, 9, 5666–5671. (Edge Article)
DOI: 10.1039/C8SC01031E.
Selected as 2018 Chemical Science HOT Article

12．Synthesis and Properties of Open-Cage Fullerene C₆₀ Derivatives: Impact of the Extended π-Conjugation.

Yoshifumi Hashikawa, Hidefumi Yasui, Kei Kurotobi, Yasujiro Murata*
Mater. Chem. Front. 2018, 2, 206–213. (Advance Article)
DOI: 10.1039/c7qm00449d.
Invited paper on the themed collection: Pi conjugated system bricolage (figuration) toward functional organic molecular systems
Selected on the themed collection: 2018 Materials Chemistry Frontiers Review-type Articles

11．High-Resolution Photoelectron Imaging of Cryogenically-Cooled C₅₉N^– and (C₅₉N)₂^2– Azafullerene Anions.

Guo-Zhu Zhu, Yoshifumi Hashikawa, Yuan Liu, Qian-Fan Zhang, Ling Fung Cheung, Yasujiro Murata, Lai-Sheng Wang*
J. Phys. Chem. Lett. 2017, 8, 6220−6225. (Letter)
DOI: 10.1021/acs.jpclett.7b03091.

10．Facile Access to Azafullerenyl Cation C₅₉N⁺ and Specific Interaction with Entrapped Molecules.

Yoshifumi Hashikawa, Yasujiro Murata*
J. Am. Chem. Soc. 2017, 139, 18468–18471. (Communication)
DOI: 10.1021/jacs.7b11322.
Selected as Journal Cover

9．Palladium-Catalyzed Cyclization: Regioselectivity and Structure of Arene-Fused C₆₀ Derivatives.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
J. Am. Chem. Soc. 2017, 139, 16350−16358. (Article)
DOI: 10.1021/jacs.7b09459.

8．Solvent-Coordinated Tin Halide Complexes as Purified Precursors for Tin-Based Perovskites.

Masashi Ozaki, Yukie Katsuki, Jiewei Liu, Taketo Handa, Ryosuke Nishikubo, Shinya Yakumaru, Yoshifumi Hashikawa, Yasujiro Murata, Takashi Saito, Yuichi Shimakawa, Yoshihiko Kanemitsu, Akinori Saeki, Atsushi Wakamiya
ACS Omega 2017, 2, 7016–7021. (Article)
DOI: 10.1021/acsomega.7b01292.

7．Orientation of a Water Molecule: Effects on Electronic Nature of the C₅₉N Cage.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
J. Org. Chem. 2017, 82, 4465–4469. (Note)
DOI: 10.1021/acs.joc.7b00453.

6．Single Molecular Junction Study on H₂O@C₆₀: H₂O is "Electrostatically Isolated".

Satoshi Kaneko, Yoshifumi Hashikawa, Shintaro Fujii, Yasujiro Murata,* Manabu Kiguchi*
ChemPhysChem 2017, 18, 1229–1233. (Communication)
DOI: 10.1002/cphc.201700173.
Selected as Spotlights in ACIE (ACIE 2017, 56, 7344–7347.)

5．Structural Modification of Open-Cage Fullerene C₆₀ Derivatives Having a Small Molecule inside Their Cavities.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
Can. J. Chem. 2017, 95, 320–328. (Article)
DOI: 10.1139/cjc-2016-0465.
Special issue to honor Professor Reginald Mitchell

4．Co(I)-Mediated Removal of Addends on the C₆₀ Cage and Formation of Monovalent Cobalt Complex CpCo(CO)(η²-C₆₀).

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
Org. Lett. 2016, 18, 6348−6351. (Letter)
DOI: 10.1021/acs.orglett.6b03238.

3．Water Entrapped inside Fullerene Cages: A Potential Probe for Evaluation of Bond Polarization.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
Angew. Chem., Int. Ed. 2016, 55, 13109–13113. (Communication)
DOI: 10.1002/anie.201607040.
Highlighted in Элементы

2．Synthesis and Properties of Endohedral Aza[60]fullerenes: H₂O@C₅₉N and H₂@C₅₉N as Their Dimers and Monomers.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
J. Am. Chem. Soc. 2016, 138, 4096–4104. (Article)
DOI: 10.1021/jacs.5b12795.

1．Synthesis of Open-Cage Ketolactam Derivatives of Fullerene C₆₀ Encapsulating a Hydrogen Molecule.

Yoshifumi Hashikawa, Michihisa Murata, Atsushi Wakamiya, Yasujiro Murata*
Org. Lett. 2014, 16, 2970–2973. (Letter)
DOI: org/10.1021/ol501113y.

Books

6．Creation of Functional Elbow-Shaped Nanocarbon Materials.

Yoshifumi Hashikawa
マツダ財団 研究報告書 科学技術振興関係（ISSN 1344-0497）, Vol. 36, pp. 148–155, 2024, 公益社団法人 マツダ財団.
Published on January, 2025.

5．Probing Nanoconfinement Effects by Synchrotron Vibrational Spectroscopy.

Yoshifumi Hashikawa
SPring-8/SACLA Information (Online ISSN 2187-4794), Vol. 29, No. 4, pp. 287-292, 2024, SPring-8.
Published on November 26, 2024.

4．Linking Two Holey [60]Fullerenes.

Yoshifumi Hashikawa
Behind the Paper, Springer Nature Research Communities.
Published on January 15, 2024.

3．Analysis of Electronic Configuration for a Water Molecule Encapsulated inside a Fullerene.

Yoshifumi Hashikawa, Hisao Kiuchi, Yoshihisa Harada
Activity Report of Synchrotron Radiation Laboratory 2022, Article number 13, The Institute for Solid State Physics, Ther University of Tokyo.
Published on June 30, 2023.

2．Isolation of Organophosphorus Zwitterions.

Yoshifumi Hashikawa
Behind the Paper, Springer Nature Research Communities.
Published on July 21, 2020.

1．Synthesis and Derivatization of Endohedral Fullerenes: Endohedral Fullerene Encapsulating a Water Molecule.

Yasujiro Murata, Rui Zhang, Yoshifumi Hashikawa
Cutting-edge Technology in Fullerene Derivatives and Endohedral Fullerenes, Chapter 3, pp.135–142，CMC Publishing.
April 30, 2014.

Invited / Award Lectures

11．Molecular Structural Engineering toward Extended Fullerenes.

Yoshifumi Hashikawa
The 2nd International Workshop on Fundamental and Applied Research of Novel Nanocarbon Derivatives, Aobayama Campus, Tohoku University, Japan, 28th–30th May, 2025.

10．共役ナノカーボン複合体の創製と物性解明.

橋川 祥史
第2回 ATFコンファレンス，Plaza Verde，静岡，11月，2024年．

9．放射光振動分光によるナノ閉じ込め効果の検証.

橋川 祥史
SPring-8シンポジウム2024，九州大学医学部百年講堂，9月，2024年．

8．キラル炭素ナノ複合体の合理的設計と開発.

橋川 祥史
新化学技術推進協会，東京，6月，2024年．

7．穴あきフラーレン：小分子内包と外部骨格変換.

貞井 俊平，橋川 祥史，村田 靖次郎
産業総合研究所，筑波，11月，2022年．

6．球面π共役系を用いた実験系水和モデルの創出.

橋川 祥史
第12回CSJ化学フェスタ2022，タワーホール船堀，10月，2022年．

5．Water Entrapped inside Fullerene Cages.

Yoshifumi Hashikawa
The 1st Germany–Japan–China Joint Workshop on Extremely Large π-Systems, Institute for Chemical Research, Kyoto University, Kyoto, Japan, 18th July, 2019.

4．Facile Access to Azafullerenyl Cation C₅₉N⁺ and Specific Interaction with Entrapped Molecules.

橋川 祥史
平成30年度化学研究所研究発表会（第118回），京都大学化学研究所，11月，2018年．

3．フラーレンへの小分子の導入と分子内相互作用の評価.

橋川 祥史
第1回物質エネルギー化学懇談会，琵琶湖コンファレンスセンター，9月，2018年．

2．フラーレンの構造修飾と内包小分子の動的挙動.

橋川 祥史
化研若手の会，京大化研，6月，2018年．

1．Endohedral Fullerene: C₆₀ with Molecules Inside.

Yoshifumi Hashikawa
Special Seminar, Brown University, U.S.A., 31st July, 2017.

Research Projects

1. Synthesis and Properties of Endohedral Fullerenes Encapsulating Small Molecule(s)
2. Evaluation of Weak Interaction Using the NMR Technique
3. Synthesis of Metal Complexes and Development of Reactions Using Transition Metal Catalysts
4. Reaction Path Analyses Based on Theoretical Calculations

Awards

2024.9.24.	The 21st Osawa Award "Linking Two Chiral Holey [60]Fullerenes" （The Fullerene, Nanotube and Graphene Research Society）
2024.9.6.	13th SPRUC Young Scientist Award "Probing Nanoconfinement Effects by Synchrotron Vibrational Spectroscopy" （SPring-8 Users Community）
2024.6.25.	The 13th JACI Prize for Encouraging Young Researcher "Rational Design and Development of Chiral Inter-Nanocarbon Hybrids" (Japan Association for Chemical Innovation)
2021.3.17.	Certificate of Recognition on 2020 ACS Publications Activity （American Chemical Society）
2018.11.30.	The 23rd ICR Award for Young Scientists "Facile Access to Azafullerenyl Cation C59N+ and Specific Interaction with Entrapped Molecules" (ICR, Kyoto University)
2015.11.7.	The JEOL RESONANCE Award (JEOL RESONANCE INC.)
2015.11.7.	The Best Young Scientist Poster Award "1H NMR Relaxation Times of H2O and H2 Entrapped inside Carbon-Cluster Cages of C60 and C59N" (The 54th Annual Meeting of The Nuclear Magnetic Resonance Society of Japan, The Nuclear Magnetic Resonance Society of Japan)
2015.8.11.	Finalist for the Student Poster Competition at Pacifichem 2015 (top 10%) "Synthesis and NMR properties of H2- and H2O-encapsulating aza[60]fullerenes" (Pacifichem 2015)
2015.7.26.	Particularly Outstanding Achievements (Full Exemption of Category 1 Scholarship) (Japan Student Services Organization (JASSO))
2014.11.11.	The Best Poster Award "Synthesis of an Endohedral Azafullerene Encapsulating a Hydrogen Molecule" (The 4th CSJ Chemistry Festa, The Chemical Society of Japan)
2010.3.18.	Branch Director Prize of CSJ (Chugoku-Shikoku Branch, The Chemical Society of Japan)
2009.12.11.	The Ehime Bank Prize "Development of Cancer-Targeting Drug Delivery System Using Folate Derivative Bearing Phytol" (平成21年度ジュニアドベンチャー選手権, Frontier Enterprise Club)

National Qualifications and Licenses

2018. 1.29.	Health Officer's License on Industrial Hygiene (Industrial Safety and Health Act, Japan)
2017. 8.17.	Class-1 health officer (Industrial Safety and Health Act, Japan)
2012. 6.27.	Operations Chief of Specified Chemical Substances and Tetra-Alkyl Lead, etc. (Industrial Safety and Health Act, Japan)
2011. 8.4.	Class A Hazardous Materials Engineers (Fire Service Act, Japan)
2010. 3.19.	Poisonous and Deleterious Substances Supervisor (Poisonous and Deleterious Substances Control Act, Japan)

Affiliated Academic Organization

- The Fullerenes, Nanotubes and Graphene Research Society, Japan
- The Chemical Society of Japan
- The Physical Organic Chemistry, Japan
- The Nuclear Magnetic Resonance Society of Japan - The Society of Synthetic Organic Chemistry, Japan - The Carbon Society of Japan

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