Major Professional Backgrounds 2021, 2021, Kwansei University, Faculty of Science and Engineering, Visiting Professor 2021, Tokyo Insitute of Technology, Graduate School of Science and Technology, Visiting Professor 2021, Kyoto University, Graduate School of Engineering, Visiting Professor 2020, Hiroshima University, Graduate School of Advanced Science and Engineering, Professor 2018, 2018, Osaka Prefecture University, Faculty of Engineering, Visiting Professor 2018, 2018, Osaka University, Faculty of Engineering Science, Visiting Professor 2015, 2015, Osaka City University, Faculty of Science, Visiting Professor 2012, 2012, Kyushu University, Faculty of Science, Visiting Professor 2008, 2008, Gunma UNiversity, Faculty of Engineering, Visintg Professor 2008, 2008, Mie University, Faculty of Engineering, Visiting Professor 2007, 2020/03/31, Hiroshima University, Graduate School of Science, Professor 2006, 2007, Osaka University, Associate Professor 2003, 2003, Gifu University, Faculty of Engineering, Visiting Professor 2000, 2006, Osaka University, Lecturer 1995, 2000, Osaka University, Assistant Professor Educational Backgrounds Kyoto Institute of Technology, Graduate School, Division of Engineering and Design Science, Deaprtment of Materials Chemistry, Japan, 1992/04, 1995/03 Kyoto Institute of Technology, Faculty of Engineering and Design, Department of Engineering Chemistry, Japan, 1986/04, 1990/03

Chemistry;Basic chemistry;Organic chemistry Chemistry;Applied chemistry;Synthetic chemistry Chemistry;Applied chemistry;Functional solid state chemistry Complex systems;Biomolecular science;Chemical biology

One-Electron Injection-triggered Radical Reaction of Alkyl Benzoates Promoted by 1,4-Bis(diphenylamino)benzene Photocatalysis, CHEMCATCHEM, 15(3), 20230208 Excited-State Intramolecular Proton Transfer in Salicylidene-?- Hydroxy Carboxylate Derivatives: Direct Detection of the Triplet Excited State of the cis-Keto Tautomer, JOURNAL OF PHYSICAL CHEMISTRY A, 127(12), 2765-2778, 20230330 Tris(4?-Nitrobiphenyl)amine-An Octupolar Chromophore with High Two-Photon Absorption Cross-Section and Its Application for Uncaging of Calcium Ions in the Near-Infrared Region, JOURNAL OF ORGANIC CHEMISTRY, 87(23), 15888-15898, 20221202 DMPO Spin Trapping Study of the Photolysis of 2-(4-Nitrophenyl)-1H-indolyl-3-methyl Derivatives, CHEMISTRY LETTERS, 52(1), 10-12, 202301 Pyrrolo[2,1-a]isoquinolines as multitasking organophotocatalysts in chemical synthesis, CHEM CATALYSIS, 2(10), 2726-2749, 20221020 Photolysis of 3-Azido-3-phenyl-3H-isobenzofuran-1-one at Ambient and Cryogenic Temperatures(dagger), PHOTOCHEMISTRY AND PHOTOBIOLOGY, 97(6), 1397-1406, 202111 Assemblies of 1,4-Bis(diarylamino)naphthalenes and Aromatic Amphiphiles: Highly Reducing Photoredox Catalysis in Water, SYNLETT, 33(12), 1184-1188, 20220721 Photoreaction of 4-(Bromomethyl)-7-(diethylamino)coumarin:Generation of a Radical and Cation Triplet Diradical during the C-BrBond Cleavage br, ORGANIC LETTERS, 24(15), 2804-2808, 20220422 Thermal Reaction Behavior of Triphenylimidazolyl Radical with a Bulky Substituent, JOURNAL OF ORGANIC CHEMISTRY, 87(10), 6877-6885, 20220520 A stable silylborane with diminished boron Lewis acidity, DALTON TRANSACTIONS, 51(17), 6543-6546, 20220503 Protonation-Enhanced Reactivity of Triplet State in Dearomative Photocycloaddition of Quinolines to Olefins, ORGANIC LETTERS, 23(16), 6257-6261, 20210820 2-(4-Nitrophenyl)-1H-indolyl-3-methyl Chromophore: A Versatile Photocage that Responds to Visible-light One-photon and Near-infrared-light Two-photon Excitations, CHEMISTRY LETTERS, 51(2), 153-156, 202202 Impacts of Solvent and Alkyl Chain Length on the Lifetime of Singlet Cyclopentane-1,3-diyl Diradicaloids with pi-Single Bonding, JOURNAL OF ORGANIC CHEMISTRY, 87(3), 1858-1866, 20220204 Long-lived localised singlet diradicaloids with carbon-carbon pi-single bonding (C-pi-C), CHEMICAL COMMUNICATIONS, 57(86), 11301-11309, 20211028 Impact of Five-membered Heterocyclic Rings on Photophysical Properties Including Two-photon Absorption Character, CHEMISTRY LETTERS, 50(10), 1810-1813, 202110 SOMO-HOMO Conversion in Triplet Cyclopentane-1,3-diyl Diradicals, ACS OMEGA, 6(35), 22773-22779, 20210907 Direct Detection of Singlet Cyclopentane-1,3-diyl Diradicals By Infrared and Ultraviolet-Visible Spectroscopy at Cryogenic Temperature and Their Photoreactivity, JOURNAL OF ORGANIC CHEMISTRY, 86(17), 12046-12053, 20210903 Structural Investigation of Photochemical Intermediates in Solution by Cold UV Spectroscopy in the Gas Phase: Photosubstitution of Dicyanobenzenes by Allylsilanes, JOURNAL OF PHYSICAL CHEMISTRY A, 125(28), 6238-6245, 20210722 New aspect of photophysics of 7,7,8,8-tetracyanoquinodimethane and its solvated complexes: intra- vs. inter-molecular charge-transfer, RSC ADVANCES, 11(36), 22381-22389, 20210703 SOMO-HOMO Conversion in Triplet Carbenes, ORGANIC LETTERS, 23(13), 4955-4959, 20210702 1,3-Diradicals Embedded in Curved Paraphenylene Units: Singlet versus Triplet State and In-Plane Aromaticity, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 143(19), 7426-7439, 20210519 Discovery of 4-alkoxy-2-aryl-6,7-dimethoxyquinolines as a new class of topoisomerase I inhibitors endowed with potent in vitro anticancer activity, EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY, 215, 20210405 p-Nitroterphenyl units for near-infrared two-photon uncaging of calcium ions, JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 409, 20210315 Simple generation of various alpha-monofluoroalkyl radicals by organic photoredox catalysis: modular synthesis of beta-monofluoroketones, CHEMICAL COMMUNICATIONS, 57(21), 2609-2612, 20210314 Light-triggered elimination of CO2 and absorption of O-2 (artificial breathing reaction) in photolysis of 2-(4-nitrophenyl)-1H-indole derivatives, PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 20(3), 421-434, 202103 Chemistry of Tertiary Carbon Center in the Formation of Congested C-O Ether Bonds, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 60(8), 4329-4334, 20210219 Impact of the macrocyclic structure and dynamic solvent effect on the reactivity of a localised singlet diradicaloid with pi-single bonding character, CHEMICAL SCIENCE, 12(2), 613-625, 20210114 Dynamic solvent effects in radical-radical coupling reactions: an almost bottleable localised singlet diradical, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 22(48), 20201228 Conformation of K+(Crown Ether) Complexes Revealed by Ion Mobility-Mass Spectrometry and Ultraviolet Spectroscopy, JOURNAL OF PHYSICAL CHEMISTRY A, 124(48), 9980-9990, 20201203 Structural Transformation of the 2-(p-Aminophenyl)-1-hydroxyinden-3-ylmethyl Chromophore as a Photoremovable Protecting Group, CHEMPHOTOCHEM, 4(12), 5392-5398, 202012 Photoinduced alpha-Cleavage of 2-Azido-2-phenyl-1,3-indandione at Cryogenic Temperatures, ORGANIC LETTERS, 22(20), 7885-7890, 20201016 Heavy-Atom Tunneling Processes during Denitrogenation of 2,3-Diazabicyclo[2.2.1]hept-2-ene and Ring Closure of Cyclopentane-1,3-diyl Diradical. Stereoselectivity in Tunneling and Matrix Effect, JOURNAL OF ORGANIC CHEMISTRY, 85(14), 8881-8892, 20200717 Photochemical [2+2] cycloaddition reaction of carbonyl compounds with Danishefsky diene, ORGANIC & BIOMOLECULAR CHEMISTRY, 18(26), 4962-4970, 20200714 Reactivity and Product Analysis of a Pair of Cumyloxyl and tert-Butoxyl Radicals Generated in Photolysis of tert-Butyl Cumyl Peroxide, JOURNAL OF ORGANIC CHEMISTRY, 85(13), 8627-8638, 20200702 Photoinduced Reactivity in a Dispiro-1,2,4-trioxolane: Adamantane Ring Expansion and First Direct Observation of the Long-Lived Triplet Diradical Intermediates, JOURNAL OF PHYSICAL CHEMISTRY A, 124(21), 4202-4210, 20200528 Duality of Reactivity of a Biradicaloid Compound with an o-Quinodimethane Scaffold, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 142(11), 5408-5418, 20200318 Efficient Generation and Synthetic Applications of Alkyl-Substituted Siloxycarbenes: Suppression of Norrish-Type Fragmentations of Alkanoylsilanes by Triplet Energy Transfer, CHEMISTRY-A EUROPEAN JOURNAL, 26(6), 1249-1253, 20200127 Direct Suzuki-Miyaura Coupling with Naphthalene-1,8-diaminato (dan)-Substituted Organoborons, ACS CATALYSIS, 10(1), 346-351, 20200103 Insights into the photochemistry of 5-aminotetrazole derivatives with applications in coordination chemistry. Effect of the saccharyl moiety on the photostability, PURE AND APPLIED CHEMISTRY, 92(1), 49-62, 202001 Bulky Substituent Effect on Reactivity of Localized Singlet Cyclopentane-1,3-diyls with pi-Single Bonding (C-pi-C) Character, CHEMISTRY-AN ASIAN JOURNAL, 14(23), 4223-4228, 20191202 Photodecomposition of Thienylsulfonyl Azides: Generation and Spectroscopic Characterization of Triplet Thienylsulfonyl Nitrenes and 3-Thienylnitrene, JOURNAL OF PHYSICAL CHEMISTRY A, 123(43), 9311-9320, 20191031 Transforming Triplet Vinylnitrene into Triplet Alkylnitrene at Cryogenic Temperatures, ORGANIC LETTERS, 21(18), 7194-7198, 20190920 The Effect of Viscosity on the Diffusion and Termination Reaction of Organic Radical Pairs, CHEMISTRY-A EUROPEAN JOURNAL, 25(42), 9846-9850, 20190725 Formation and Reactivity of Triplet Vinylnitrenes as a Function of Ring Size, JOURNAL OF ORGANIC CHEMISTRY, 84(14), 9215-9225, 20190719 Keto-Difluoromethylation of Aromatic Alkenes by Photoredox Catalysis: Step-Economical Synthesis of alpha-CF2H-Substituted Ketones in Flow, ACS CATALYSIS, 9(7), 6555-6563, 201907 Separation of Spectroscopically Uniform Nanographenes, CHEMISTRY-AN ASIAN JOURNAL, 14(10), 1786-1791, 20190515 Generation of "Sumanenylidene": A Ground-State Triplet Carbene on a Curved -Conjugated Periphery, CHEMISTRY-AN ASIAN JOURNAL, 14(10), 1844-1848, 20190515 Generation of Extremely Long-lived Localized Singlet Diradicals: New Insights into Bond-homolysis Process and Discovery of Novel Bonding System (C-pi-C), JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN, 77(5), 503-511, 201905 Photochemical generation of the 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) radical from caged nitroxides by near-infrared two-photon irradiation and its cytocidal effect on lung cancer cells, BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, 15, 863-873, 20190410 1,2-Diazacyclopentane-3,5-diyl Diradicals: Electronic Structure and Reactivity, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 141(9), 3920-3933, 20190306 Curve Effect on Singlet Diradical Contribution in Kekule-type Diradicals: A Sensitive Probe for Quinoidal Structure in Curved -Conjugated Molecules, MOLECULES, 24(1), 20190101 Chloro- and Dichloro-methylsulfonyl Nitrenes: Spectroscopic Characterization, Photoisomerization, and Thermal Decomposition, MOLECULES, 23(12), 201812 Methoxyphosphinidene and Isomeric Methylphosphinidene Oxide, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 140(42), 13604-13608, 20181024 Extremely Long Lived Localized Singlet Diradicals in a Macrocyclic Structure: A Case Study on the Stretch Effect, CHEMISTRY-A EUROPEAN JOURNAL, 24(55), 14808-14815, 20181001 Triplet States of Tetrazoles, Nitrenes, and Carbenes from Matrix Photolysis of Tetrazoles, and Phenylcyanamide as a Source of Phenylnitrene, JOURNAL OF PHYSICAL CHEMISTRY A, 122(37), 7276-7283, 20180920 Anthranilamide (aam)-substituted diboron: palladium-catalyzed selective B(aam) transfer, CHEMICAL COMMUNICATIONS, 54(67), 9290-9293, 20180828 Sulfamoyl nitrenes: singlet or triplet ground state?, CHEMICAL COMMUNICATIONS, 54(48), 6136-6139, 20180618 Selective Probing of Potassium Ion in Solution by Intramolecular Excimer Fluorescence of Dibenzo-Crown Ethers, CHEMPHYSCHEM, 19(11), 1331-1335, 20180605 Unusually Long-Wavelength Emissions of Cyclopropanes: New Insight into C-C Bond Homolysis, CHEMISTRY-A EUROPEAN JOURNAL, 24(30), 7595-7600, 20180528 Direct Observation of an Imidoylnitrene: Photochemical Formation of PhC(=NMe)-N and Me-N from 1-Methyl-5-phenyltetrazole, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 57(12), 3212-3216, 20180312 Experimental Observation of Thermally Excited Triplet States of Heavier Group 15 Element Centered Diradical Dianions, CHEMISTRY-A EUROPEAN JOURNAL, 24(13), 3156-3160, 20180302 Photochemically Induced Intramolecular Radical Cyclization Reactions with Imines, JOURNAL OF ORGANIC CHEMISTRY, 83(4), 1867-1875, 20180216 Magnetically Bistable Nitrenes: Matrix Isolation of Furoylnitrenes in Both Singlet and Triplet States and Triplet 3-Furylnitrene, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 140(1), 10-13, 20180110 Photochemical [2+2] cycloaddition reaction of enone derivatives with 2-siloxy-1H-pyrrole derivatives, ARKIVOC, 192-204, 2018