Treatment of polyethylene microplastics degraded by ultraviolet light irradiation causes lysosome-deregulated cell death

Sota Manabe, Yuya Haga, Hirofumi Tsujino, Yudai Ikuno, Haruyasu Asahara, Kazuma Higashisaka, Yasuo Tsutsumi

Scientific Reports　Vol. 14　No. 1　2024/10/14　Research paper (scientific journal)

Polyethylene, whose surface has been modified by UV irradiation, induces cytotoxicity: A comparison with microplastics found in beaches.

Yudai Ikuno, Hirofumi Tsujino, Yuya Haga, Sota Manabe, Wakaba Idehara, Mii Hokaku, Haruyasu Asahara, Kazuma Higashisaka, Yasuo Tsutsumi

Ecotoxicology and environmental safety　Vol. 277　p. 116346-116346　2024/06/01　Research paper (scientific journal)

9-(4-Halo-2,6-xylyl)-10-methylacridinium Ion as an Effective Photoredox Catalyst for Oxygenation and Trifluoromethylation of Toluene Derivatives

Kei Ohkubo, Soichiro Matsumoto, Haruyasu Asahara, Shunichi Fukuzumi

ACS Catalysis　2024/02/16　Research paper (scientific journal)

劣化したマイクロプラスチックが示す細胞毒性機序の解明

Yuya Haga, Sota Manabe, Hirofumi Tsujino, Haruyasu Asahara, Kazuma Higashisaka, Yasuo Tsutsumi

YAKUGAKU ZASSHI　Vol. 144　No. 2　p. 177-181　2024/02/01　Research paper (scientific journal)

環境中の表面性状を模倣した劣化マイクロプラスチックの作製

Hirofumi Tsujino, Yudai Ikuno, Yuya Haga, Haruyasu Asahara, Kazuma Higashisaka, Yasuo Tsutsumi

YAKUGAKU ZASSHI　Vol. 144　No. 2　p. 171-175　2024/02/01　Research paper (scientific journal)

Synthesis of Zwitterionic Phospholipid-Connected Silane Coupling Agents and Their Hybridization with Graphene Oxide

Kanato Arita, Seina Yarimizu, Maiko Moriguchi, Tsuyoshi Inoue, Haruyasu Asahara

Journal of Oleo Science　Vol. 73　No. 6　p. 857-863　2024　Research paper (scientific journal)

2-Azafluorenone derivatives: Photocatalyst for oxygenation of toluene via electron transfer and hydrogen-atom transfer

Haruyasu Asahara, Yurie Horikawa, Kento Iwai, Nagatoshi Nishiwaki, Kei Ohkubo

Journal of Photochemistry and Photobiology　Vol. 15　2023/06　Research paper (scientific journal)

Impact of Degradation of Polyethylene Particles on Their Cytotoxicity

Yudai Ikuno, Hirofumi Tsujino, Yuya Haga, Haruyasu Asahara, Kazuma Higashisaka, Yasuo Tsutsumi

Microplastics　Vol. 2　No. 2　p. 192-201　2023/05/22　Research paper (scientific journal)

First synthesis of acylated nitrocyclopropanes.

Kento Iwai, Rikiya Kamidate, Khimiya Wada, Haruyasu Asahara, Nagatoshi Nishiwaki

Beilstein journal of organic chemistry　Vol. 19　p. 892-900　2023　Research paper (scientific journal)

One-step antibacterial modification of polypropylene non-woven fabrics via oxidation using photo-activated chlorine dioxide radicals

Keita Yamamoto, Haruyasu Asahara, Kazuo Harada, Yuki Itabashi, Kei Ohkubo, Tsuyoshi Inoue

Journal of Materials Chemistry B　Vol. 11　No. 23　p. 5101-5107　2023　Research paper (scientific journal)

Chlorine-radical-mediated C–H oxygenation reaction under light irradiation

Yuki Itabashi, Haruyasu Asahara, Kei Ohkubo

Chemical Communications　Vol. 59　No. 49　p. 7506-7517　2023　Research paper (scientific journal)

Immobilization of β-cyclodextrin onto polypropylene nonwoven fabric based on photooxidative surface modification

Keita Yamamoto, Haruyasu Asahara, Maiko Moriguchi, Tsuyoshi Inoue

Polymer Journal　2023　Research paper (scientific journal)

Surface Functionalization of Polypropylene Nonwoven Fabric for Introducing Repeatable Controlled Drug Release Property

Keita Yamamoto, Haruyasu Asahara, Maiko Moriguchi, Tsuyoshi Inoue

2022/04/18　Research paper (scientific journal)

Visible-light-induced phosgenation of amines by chloroform oxygenation using chlorine dioxide

Haruyasu Asahara, Nozomi Takao, Maiko Moriguchi, Tsuyoshi Inoue, Kei Ohkubo

Chemical Communications　Vol. 58　No. 42　p. 6176-6179　2022/03/02　Research paper (scientific journal)

One-pot chlorocarboxylation of toluenes with chlorine dioxide under photoirradiation

Shohei Ohno, Haruyasu Asahara, Tsuyoshi Inoue, Kei Ohkubo

RSC Advances　Vol. 12　No. 48　p. 31412-31414　2022　Research paper (scientific journal)

Selective utilization of phosphorus compounds by Chaetoceros tenuissimus (Bacillariophyceae): Approach using <scp> ³¹ P </scp> nuclear magnetic resonance analysis

Haruo Yamaguchi, Masaki Zaima, Masao Adachi, Yuji Tomaru, Haruyasu Asahara, Nagatoshi Nishiwaki

Phycological Research　Vol. 70　No. 3　p. 151-159　2022　Research paper (scientific journal)

A new approach to 10-arylated 5H-dibenzo[b,f]azepines using syn-selective hydrohalogenation of ethynylaniline

Kento Iwai, Yusuke Mukaijo, Haruyasu Asahara, Nagatoshi Nishiwaki

Organic & Biomolecular Chemistry　Vol. 20　No. 28　p. 5543-5550　2022　Research paper (scientific journal)

A Mechanistic Study for Aziridination of Nitroalkenes Mediated by N-Chlorosuccinimide

Kento Iwai, Khimiya Wada, Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki

Journal of Oleo Science　Vol. 71　No. 6　p. 897-903　2022　Research paper (scientific journal)

Development of a synthetic equivalent of α,α-dicationic acetic acid leading to unnatural amino acid derivatives via tetrafunctionalized methanes

Haruyasu Asahara, Atsushi Bonkohara, Masaya Takagi, Kento Iwai, Akitaka Ito, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, Nagatoshi Nishiwaki

Organic & Biomolecular Chemistry　Vol. 20　No. 11　p. 2282-2292　2022　Research paper (scientific journal)

Epoxidized graphene grid for high-throughput high-resolution cryoEM structural analysis

Junso Fujita, Fumiaki Makino, Haruyasu Asahara, Maiko Moriguchi, Shota Kumano, Itsuki Anzai, Jun-ichi Kishikawa, Yoshiharu Matsuura, Takayuki Kato, Keiichi Namba, Tsuyoshi Inoue

2021/11/18

Metal‐Free and syn‐Selective Hydrohalogenation of Alkynes through a Pseudo‐Intramolecular Process

Haruyasu Asahara, Yusuke Mukaijo, Kengo Muragishi, Kento Iwai, Akitaka Ito, Nagatoshi Nishiwaki

European Journal of Organic Chemistry　Vol. 2021　No. 42　p. 5747-5755　2021/10/19　Research paper (scientific journal)

Surface oxidation of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) via photo-activated chlorine dioxide radical

Yankun Jia, Weiting Wu, Haruyasu Asahara, Yu- Hsu, Taka-Aki Asoh, Hua Tiang Tan, Kumar Sudesh, Hiroshi Uyama

POLYMER DEGRADATION AND STABILITY　Vol. 191　2021/09　Research paper (scientific journal)

Surface modification of poly(phenylene sulfide) using photoinitiated chlorine dioxide radical as an oxidant

Zeying Cao, Yu- Hsu, Atsushi Koizumi, Haruyasu Asahara, Taka-Aki Asoh, Hiroshi Uyama

POLYMER JOURNAL　Vol. 53　No. 11　p. 1231-1239　2021/08　Research paper (scientific journal)

Synthesis of Nitroaromatic Compounds via Three-Component Ring Transformations

Song Thi Le, Haruyasu Asahara, Nagatoshi Nishiwaki

Molecules　Vol. 26　No. 3　p. 639-639　2021/01/26　Research paper (scientific journal)

Regiodivergent Ring Opening Reactions of 2-Arylated 3-Nitrocyclopropane-1,1-dicarboxylates Leading to Polyfunctionalized Dipoles

Haruyasu Asahara, Nagatoshi Nishiwaki, Rikiya Kamidate

HETEROCYCLES　Vol. 103　No. 1　p. 379-379　2021　Research paper (scientific journal)

Surface modification of polycarbonate using the light-activated chlorine dioxide radical

Yankun Jia, Haruyasu Asahara, Yu-I Hsu, Taka-Aki Asoh, Hiroshi Uyama

Applied Surface Science　Vol. 530　p. 147202-147202　2020/11　Research paper (scientific journal)

One-pot and metal-free synthesis of 3-arylated-4-nitrophenols via polyfunctionalized cyclohexanones from β-nitrostyrenes

Haruyasu Asahara, Minami Hiraishi, Nagatoshi Nishiwaki

Beilstein Journal of Organic Chemistry　Vol. 16　p. 1830-1836　2020/07/22　Research paper (scientific journal)

Photooxidation of the ABS resin surface for electroless metal plating

Yankun Jia, Jiaxin Chen, Haruyasu Asahara, Yu-I Hsu, Taka-Aki Asoh, Hiroshi Uyama

Polymer　Vol. 200　p. 122592-122592　2020/06　Research paper (scientific journal)

Vapochromic Properties of Diethenylpyrrole with Naphthyl Tethers Induced by Formation of a Distorted Structure in the Solid State

Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki

Crystal Growth & Design　2020/03/04　Research paper (scientific journal)

Three Step Synthesis of Fully and Differently Arylated Pyridines

Mao Arita, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki

European Journal of Organic Chemistry　Vol. 2020　No. 4　p. 466-474　2020/01/31　Research paper (scientific journal)

Non-electronic aromatic ring activation by simple steric repulsion between substituents in 1-methylquinolinium salt systems

Kento Iwai, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki

Bulletin of the Chemical Society of Japan　Vol. 93　No. 1　p. 50-57　2020　Research paper (scientific journal)

Anion-Capture-Induced Fluorescence Enhancement of Bis(cyanostyryl)pyrrole Based on Restricted Access to a Conical Intersection

Haruyasu Asahara

Bulletin of the Chemical Society of Japan　Vol. 92　No. 11　p. 1807-1815　2019/11/15　Research paper (scientific journal)

Polymer Surface Oxidation by Light-Activated Chlorine Dioxide Radical for Metal–Plastics Adhesion

Haruyasu Asahara

ACS Applied Polymer Materials　2019/11/12　Research paper (scientific journal)

Non-electronic Activation of Aromatic Ring by Simple Steric Repulsion between Substituents in 1-Methylquinolinium Salt Systems

Haruyasu Asahara

Bulletin of the Chemical Society of Japan　Vol. 93　No. 1　2019/10/31　Research paper (scientific journal)

Facile Synthesis of Onychines

Mao Arita, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki

Synthesis　2019/05/19　Research paper (scientific journal)

A Facile Synthesis of Oxiranes Possessing Three or Four Carbonyl Groups

Haruyasu Asahara

Current Organic Chemistry　Vol. 23　No. 1　p. 97-102　2019/03/13　Research paper (scientific journal)

Metal-Free O -Selective Direct Acylation of Amino Alcohols Through Pseudo-Intramolecular Process

Soichi Yokoyama, Hiroshi Shibauchi, Haruyasu Asahara, Nagatoshi Nishiwaki

European Journal of Organic Chemistry　Vol. 2019　No. 5　p. 1125-1133　2019/02/07　Research paper (scientific journal)

Photochemical C–H oxygenation of side-chain methyl groups in polypropylene with chlorine dioxide

Haruyasu Asahara

Chemical Communications　2019　Research paper (scientific journal)

Photochemical C–H oxygenation of side-chain methyl groups in polypropylene with chlorine dioxide

Kei Ohkubo, Haruyasu Asahara, Tsuyoshi Inoue

Chemical Communications　Vol. 55　No. 32　p. 4723-4726　2019　Research paper (scientific journal)

Unsymmetrical Tetra-Acceptor-Substituted Alkenes as Polyfunctionalized Building Blocks: A Divergent Synthesis of Densely Functionalized Pyrrolizines

Haruyasu Asahara

Bulletin of the Chemical Society of Japan　2018/12/15　Research paper (scientific journal)

Alkynylation and Cyanation of Alkenes Using Diverse Properties of a Nitro Group

Haruyasu Asahara, Ayano Sofue, Yasuyuki Kuroda, Nagatoshi Nishiwaki

The Journal of Organic Chemistry　Vol. 83　p. 13691-13699　2018/11/16　Research paper (scientific journal)

Phosphine Induced Dimerization of Propargyl Alcohols Leading to Allyl Propargyl Ethers

Haruyasu Asahara

Journal of Oleo Science　2018　Research paper (scientific journal)

Activation of 1-Methyl-5-nitro-2-pyrimidinone by Dearomatization Using a Secondary Amine

Haruyasu Asahara, Azusa Yasuoka, Nagatoshi Nishiwaki

Heterocycles　Vol. 97　p. 253-259　2018　Research paper (scientific journal)

A direct synthesis of trisubstituted allenes from propargyl alcohols via oxaphosphetane intermediates

Iwai, K., Yokoyama, S., Asahara, H., Nishiwaki, N.

Bulletin of the Chemical Society of Japan　Vol. 91　No. 3　p. 337-342　2018　Research paper (scientific journal)

Phosphine induced dimerization of propargyl alcohols leading to allyl propargyl ethers

Iwai, K., Yokoyama, S., Asahara, H., Nishiwaki, N.

Journal of Oleo Science　Vol. 67　No. 6　p. 773-778　2018　Research paper (scientific journal)

Synthesis of functionalized 4-nitroanilines by ring transformation of dinitropyridone with enaminones

Saki Naito, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki

TETRAHEDRON LETTERS　Vol. 58　No. 50　p. 4699-4702　2017/12　Research paper (scientific journal)

Quantification and Theoretical Analysis of the Electrophilicities of Michael Acceptors

Dominik S. Allgaeuer, Harish Jangra, Haruyasu Asahara, Zhen Li, Quan Chen, Hendrik Zipse, Armin R. Ofial, Herbert Mayr

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 139　No. 38　p. 13318-13329　2017/09　Research paper (scientific journal)

Recent Advances in the Carbon-Carbon Bond-Forming Reactions of N-Acylketimines

Haruyasu Asahara

SYNTHESIS-STUTTGART　Vol. 49　No. 15　p. 3366-3376　2017/08

Synthesis of Functionalized 3-Cyanoisoxazoles Using a Dianionic Reagent

Kento Iwai, Haruyasu Asahara, Nagatoshi Nishiwaki

JOURNAL OF ORGANIC CHEMISTRY　Vol. 82　No. 10　p. 5409-5415　2017/05　Research paper (scientific journal)

Hydrohalogenation of Ethynylpyridines Involving Nucleophilic Attack of a Halide Ion

Kengo Muragishi, Haruyasu Asahara, Nagatoshi Nishiwaki

ACS Omega　Vol. 2　No. 4　p. 1265-1272　2017/04/30　Research paper (scientific journal)

Direct amino-halogenation and aziridination of the 2-quinolone framework by sequential treatment of 3-nitro-2-quinolone with amine and N-halosuccinimide

Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki

TETRAHEDRON　Vol. 73　No. 9　p. 1255-1264　2017/03　Research paper (scientific journal)

Tailor-made synthesis of fully alkylated/arylated nicotinates by FeCl3-mediated condensation of enamino esters with enones

Sho Hirai, Yurie Horikawa, Haruyasu Asahara, Nagatoshi Nishiwaki

CHEMICAL COMMUNICATIONS　Vol. 53　No. 15　p. 2390-2393　2017/02　Research paper (scientific journal)

Direct and Efficient Functionalization of the 1-Methyl-2-quinolone Framework

Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki

13TH GLOBAL CONGRESS ON MANUFACTURING AND MANAGEMENT　Vol. 174　p. 1058-1066　2017　Research paper (international conference proceedings)

Substituent Diversity-directed Synthesis of Nitropyridines and Nitroanilines by Three-component Ring transformation

Haruyasu Asahara

13TH GLOBAL CONGRESS ON MANUFACTURING AND MANAGEMENT　Vol. 174　p. 1046-1057　2017　Research paper (international conference proceedings)

Direct aziridination of nitroalkenes affording N-alkyl-C-nitroaziridines and the subsequent Lewis acid mediated isomerization to β-nitroenamines

Hao, F., Asahara, H., Nishiwaki, N.

Organic Letters　Vol. 19　No. 19　p. 5442-5445　2017　Research paper (scientific journal)

Acid promoted dimerization of beta-amino-alpha,beta-unsaturated amides affording bis(functionalized) pyrrolinones

Sho Hirai, Haruyasu Asahara, Nagatoshi Nishiwaki

TETRAHEDRON LETTERS　Vol. 57　No. 52　p. 5896-5898　2016/12　Research paper (scientific journal)

Direct Synthesis of N-Acyl-N,O-hemiacetals via Nucleophilic Addition of Unactivated Amides and Their O-Acetylation: Access to alpha,alpha-Difunctionalized N-Acylimines

Haruyasu Asahara, Kanami Inoue, Shinki Tani, Kazuto Umezu, Nagatoshi Nishiwaki

ADVANCED SYNTHESIS & CATALYSIS　Vol. 358　No. 17　p. 2817-2828　2016/09　Research paper (scientific journal)

Construction of push-pull systems using beta-formyl-beta-nitroenamine

Y. Nakaike, H. Asahara, N. Nishiwaki

RUSSIAN CHEMICAL BULLETIN　Vol. 65　No. 9　p. 2129-2142　2016/09

Dual Behavior of Iodine Species in Condensation of Anilines and Vinyl Ethers Affording 2-Methylquinolines

Song Thi Le, Chisa Yasuoka, Haruyasu Asahara, Nagatoshi Nishiwaki

MOLECULES　Vol. 21　No. 7　2016/07　Research paper (scientific journal)

Dual Behavior of Iodine Species in Condensation of Anilines and Vinyl Ethers Affording 2-Methylquinolines

Song Thi Le, Chisa Yasuoka, Haruyasu Asahara, Nagatoshi Nishiwaki

MOLECULES　Vol. 21　No. 7　2016/07　Research paper (scientific journal)

A direct and vicinal functionalization of the 1-methyl-2-quinolone framework: 4-alkoxylation and 3-chlorination

Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki

ORGANIC & BIOMOLECULAR CHEMISTRY　Vol. 14　No. 22　p. 5128-5135　2016/06　Research paper (scientific journal)

Synthesis of 6-substituted 2-phenacylpyridines from 2-(phenylethynyl)pyridine via isoxazolo[2,3-a]pyridinium salt

Song Thi Le, Toshiki Fujimoto, Haruyasu Asahara, Nagatoshi Nishiwaki

ORGANIC & BIOMOLECULAR CHEMISTRY　Vol. 14　No. 45　p. 10674-10682　2016　Research paper (scientific journal)

Chemoselective Amination of beta-Keto Amides

Sho Hirai, Haruyasu Asahara, Nagatoshi Nishiwaki

CURRENT ORGANIC CHEMISTRY　Vol. 20　No. 27　p. 2911-2916　2016　Research paper (scientific journal)

Investigation of a green oligomer of an indolizine

Haruyasu Asahara, Ayaka Awane, Kengo Muragishi, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

ARKIVOC　Vol. 2016　p. 259-273　2016　Research paper (scientific journal)

Synthesis of nitroarenes using three-component ring transformation

Haruyasu Asahara, Song Thi Le, Nagatoshi Nishiwaki

Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry　Vol. 74　No. 2　p. 130-140　2016

A direct and vicinal functionalization of the 1-methyl-2-quinolone framework: 4-alkoxylation and 3-chlorination

Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki

Organic & Biomolecular Chemistry　Vol. 14　No. 22　p. 5128-5135　2016　Research paper (scientific journal)

An Alternative Synthetic Approach to 3-Alkylated/Arylated 5-Nitropyridines

Song Thi Le, Haruyasu Asahara, Nagatoshi Nishiwaki

JOURNAL OF ORGANIC CHEMISTRY　Vol. 80　No. 17　p. 8856-8858　2015/09　Research paper (scientific journal)

Safe cyano(nitro)methylating reagent-Michael addition of cyano-aci-nitroacetate leading to delta-functionalized alpha-nitronitriles (vol 70, pg 6522, 2014)

Haruyasu Asahara, Kyo Muto, Nagatoshi Nishiwaki

TETRAHEDRON　Vol. 71　No. 32　p. 5159-5159　2015/08

Development of variously functionalized nitrile oxides

Haruyasu Asahara, Keita Arikiyo, Nagatoshi Nishiwaki

BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY　Vol. 11　p. 1241-1245　2015/07　Research paper (scientific journal)

Functionalization of a Pyridine Framework through Intramolecular Reissert-Henze Reaction of N-(Carbamoyloxy)pyridinium Salts and Unexpected Insertion of Ethereal Solvents

Haruyasu Asahara, Asuka Kataoka, Shotaro Hirao, Nagatoshi Nishiwaki

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY　Vol. 2015　No. 18　p. 3994-3999　2015/06　Research paper (scientific journal)

Metal-free Synthesis of 2-Alkenyl/Alkynyl-5-nitropyridines Using a Three-component Ring Transformation

Song Thi Le, Haruyasu Asahara, Nagatoshi Nishiwaki

CHEMISTRY LETTERS　Vol. 44　No. 6　p. 776-778　2015/06　Research paper (scientific journal)

Synthesis of diazabicyclo compounds possessing an alpha-nitrolactam framework

Haruyasu Asahara, Shota Takeda, Kazuhiko Saigo, Nagatoshi Nishiwaki

TETRAHEDRON LETTERS　Vol. 56　No. 19　p. 2504-2507　2015/05　Research paper (scientific journal)

Synthesis of 2-Aryl-5-Nitropyridines by Three-Component Ring Transformation of 3,5-Dinitro-2-Pyridone (vol 3, 297, 2014)

Song Thi Le, Haruyasu Asahara, Kazuya Kobiro, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

ASIAN JOURNAL OF ORGANIC CHEMISTRY　Vol. 4　No. 2　p. 94-94　2015/02

Tailor-Made Synthesis of N,N,2,6-Tetrasubstituted 4-Nitroanilines by Three-Component Ring Transformation of Dinitropyridone

Song Thi Le, Haruyasu Asahara, Nagatoshi Nishiwaki

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY　No. 6　p. 1203-1206　2015/02　Research paper (scientific journal)

Cyano-aci-nitroacetate as a Safe Cyano (nitro) Methylation Reagent and its Synthetic Applications

Vol. 15　No. 4　p. 165-172　2015　Research paper (scientific journal)

Construction of 3,5-dinitrated 1,4-dihydropyridines modifiable at 1,4-positions by a reaction of beta-formyl-beta-nitroenamines with aldehydes

Haruyasu Asahara, Mai Hamada, Yumi Nakaike, Nagatoshi Nishiwaki

RSC Advances　Vol. 5　No. 110　p. 90778-90784　2015　Research paper (scientific journal)

Development of a new palladium catalyst supported on phenolic resin

Nagatoshi Nishiwaki, Sayaka Hamada, Tomoe Watanabe, Shotaro Hirao, Jun Sawayama, Haruyasu Asahara, Kazuhiko Saigo, Toru Kamata, Masahiko Funabashi

RSC ADVANCES　Vol. 5　No. 6　p. 4463-4467　2015　Research paper (scientific journal)

Metal-Free alpha-Hydroxylation of alpha-Unsubstituted beta-Oxoesters and beta-Oxoamides

Haruyasu Asahara, Nagatoshi Nishiwaki

JOURNAL OF ORGANIC CHEMISTRY　Vol. 79　No. 23　p. 11735-11739　2014/12　Research paper (scientific journal)

Safe cyano(nitro)methylating reagent—Michael addition of cyano-aci-nitroacetate leading to δ-functionalized α-nitronitriles

Asahara Haruyasu, Muto Kyo, Nishiwaki Nagatoshi

Tetrahedron　Vol. 70　No. 37　p. 6522-6528　2014/09

Revisiting Dimerization of Acetoacetamide Leading to 4,6-Dimethyl-2-pyridone-5-carboxamide

Sho Hirai, Haruyasu Asahara, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

JOURNAL OF OLEO SCIENCE　Vol. 63　No. 9　p. 939-942　2014/09　Research paper (scientific journal)

Smart Decoration of Mesoporous TiO2 Nanospheres with Noble Metal Alloy Nanoparticles into Core-Shell, Yolk-Core-Shell, and Surface-Dispersion Morphologies

Pengyu Wang, Hiroko Tooriyama, Kazuya Yokoyama, Masataka Ohtani, Haruyasu Asahara, Tomoya Konishi, Nagatoshi Nishiwaki, Masahiko Shimoda, Yoshiyuki Yamashita, Hideki Yoshikawa, Kazuya Kobiro

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY　No. 26　p. 4254-4257　2014/09　Research paper (scientific journal)

An Efficient Synthesis of Nitrated Cycloalka[b]pyridines

Thi Song Le, Haruyasu Asahara, Nagatoshi Nishiwaki

SYNTHESIS-STUTTGART　Vol. 46　No. 16　p. 2175-2178　2014/08　Research paper (scientific journal)

Facilitation of the reduction of Pd(II) by the glass surface - Development of a glass-supported palladium catalyst

Nagatoshi Nishiwaki, Yasuyuki Mori, Erina Fukuoka, Haruyasu Asahara, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Tomoya Konishi, Masahiko Shimoda

CHEMICAL PHYSICS LETTERS　Vol. 608　p. 340-343　2014/07　Research paper (scientific journal)

Redox Chemistry of Nickel(II) Complexes Supported by a Series of Noninnocent beta-Diketiminate Ligands

June Takaichi, Yuma Morimoto, Kei Ohkubo, Chizu Shimokawa, Takayuki Hojo, Seiji Mori, Haruyasu Asahara, Hideki Sugimoto, Nobutaka Fujieda, Nagatoshi Nishiwaki, Shunichi Fukuzumi, Shinobu Itoh

INORGANIC CHEMISTRY　Vol. 53　No. 12　p. 6159-6169　2014/06　Research paper (scientific journal)

Simple and Selective Synthesis of Nitrosoarenes

Haruyasu Asahara

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN　Vol. 72　No. 6　p. 728-729　2014/06

Synthesis of 2-Aryl-5-Nitropyridines by Three-Component Ring Transformation of 3,5-Dinitro-2-Pyridone

Thi Song Le, Haruyasu Asahara, Kazuya Kobiro, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

ASIAN JOURNAL OF ORGANIC CHEMISTRY　Vol. 3　No. 3　p. 297-302　2014/03　Research paper (scientific journal)

Carbamoylnitrile Oxide and Inverse Electron-Demand 1,3-Dipolar Cycloaddition

Nagatoshi Nishiwaki, Haruyasu Asahara

Methods and Applications of Cycloaddition Reactions in Organic Syntheses　p. 223-240　2014/02/10　Part of collection (book)

An Effect of Microwave Irradiation on Pd/SiC Catalyst for Prolonging the Catalytic Life

Haruyasu Asahara, Yuki Kuribayashi, Pengyu Wang, Kazuya Kobiro, Nagatoshi Nishiwaki

Current Microwave Chemistry　Vol. 1　No. 2　p. 142-147　2014　Research paper (scientific journal)

An NMR study on a pseudo-intramolecular transacylation reaction of an alpha-aryl-beta-keto ester

Sho Hirai, Haruyasu Asahara, Shotaro Hirao, Jun Sawayama, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

RSC ADVANCES　Vol. 4　No. 10　p. 4889-4892　2014　Research paper (scientific journal)

Kinetic resolution of primary amines via enantioselective N-acylation with acyl chlorides in the presence of supramolecular cyclodextrin nanocapsules

Haruyasu Asahara, Toshiyuki Kida, Takuya Iwamoto, Tomoaki Hinoue, Mitsuru Akashi

TETRAHEDRON　Vol. 70　No. 2　p. 197-203　2014/01　Research paper (scientific journal)

Synthesis of vicinally functionalized 1,4-dihydropyridines and diazabicycles via a pseudo-intramolecular process

Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Haruyasu Asahara, Ryuichi Sugimoto, Kazuya Kobiro, Kazuhiko Saigo

TETRAHEDRON　Vol. 70　No. 2　p. 402-408　2014/01　Research paper (scientific journal)

Cyclodextrin host as a supramolecular catalyst in nonpolar solvents: Stereoselective synthesis of (E)-3-alkylideneoxindoles

Haruyasu Asahara, Toshiyuki Kida, Tomoaki Hinoue, Mitsuru Akashi

Tetrahedron　Vol. 69　No. 45　p. 9428-9433　2013/11/11　Research paper (scientific journal)

Reactive 2-quinolones dearomatized by steric repulsion between 1-methyl and 8-substituted groups

Xin Chen, Kazuya Kobiro, Haruyasu Asahara, Kiyomi Kakiuchi, Ryuichi Sugimoto, Kazuhiko Saigo, Nagatoshi Nishiwaki

Tetrahedron　Vol. 69　No. 23　p. 4624-4630　2013/06/10　Research paper (scientific journal)

Chiral Recognition and Kinetic Resolution of Aromatic Amines via Supramolecular Chiral Nanocapsules in Nonpolar Solvents

Toshiyuki Kida, Takuya Iwamoto, Haruyasu Asahara, Tomoaki Hinoue, Mitsuru Akashi

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 135　No. 9　p. 3371-3374　2013/03　Research paper (scientific journal)

Unique catalytic effect of a cyclodextrin host on photodimerization of coumarin in nonpolar solvents

Haruyasu Asahara, Takuya Iwamoto, Toshiyuki Kida, Mitsuru Akashi

TETRAHEDRON LETTERS　Vol. 54　No. 7　p. 688-691　2013/02　Research paper (scientific journal)

Regioselective electrophilic addition vs epoxidation of mCPBA towards anti-Bredt olefin of fulleroid

Naohiko Ikuma, Satoko Sumioka, Haruyasu Asahara, Takumi Oshima

TETRAHEDRON LETTERS　Vol. 53　No. 28　p. 3581-3584　2012/07　Research paper (scientific journal)

Versatile Domino Rearrangement of Diphenylhomobenzoquinone Epoxides Induced by CF3SO3H

Haruyasu Asahara, Satoshi Matsui, Yoshiro Masuda, Naohiko Ikuma, Takumi Oshima

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY　No. 21　p. 3916-3919　2012/07　Research paper (scientific journal)

Electrophilicities of Bissulfonyl Ethylenes

Haruyasu Asahara, Herbert Mayr

CHEMISTRY-AN ASIAN JOURNAL　Vol. 7　No. 6　p. 1401-1407　2012/06　Research paper (scientific journal)

1-[2,2-Bis(phenylsulfonyl)ethenyl]-4-methoxybenzene

Haruyasu Asahara, Peter Mayer, Herbert Mayr

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE　Vol. 68　No. 2　p. O470-U1250　2012/02　Research paper (scientific journal)

2-(4-Methoxybenzylidene)-2H-1,3-benzodithiole 1,1,3,3-tetraoxide

Asahara H, Mayer P, Mayr H

Acta Crystallographica Section E: Structure Reports Online　Vol. 68　No. 3　2012

Thermal [2+2] Cycloaddition of Morpholinoenamines with C-60 via a Single Electron Transfer

Tsubasa Mikie, Haruyasu Asahara, Kazuaki Nagao, Naohiko Ikuma, Ken Kokubo, Takumi Oshima

ORGANIC LETTERS　Vol. 13　No. 16　p. 4244-4247　2011/08　Research paper (scientific journal)

Kinetic Evidence for Dihapto (eta(2)) pi-Aryl Participation in Acid-Catalyzed Ring Opening of Diarylhomobenzoquinone Epoxides

Haruyasu Asahara, Kohta Saito, Naohiko Ikuma, Takumi Oshima

JOURNAL OF ORGANIC CHEMISTRY　Vol. 75　No. 3　p. 733-740　2010/02　Research paper (scientific journal)

Coformational effects in acid-mediated ring opening of epoxides: A prominent role of the oxirane Walsh orbital

Takumi Oshima, Haruyasu Asahara, Emi Kubo, Saki Miyamoto, Kyoko Togaya

ORGANIC LETTERS　Vol. 10　No. 12　p. 2413-2416　2008/06　Research paper (scientific journal)

Mechanistic evidence for remote pi-aryl participation in acid-catalyzed ring opening of homobenzoquinone epoxides

Takumi Oshima, Haruyasu Asahara, Takuya Koizumi, Saki Miyamoto

CHEMICAL COMMUNICATIONS　No. 15　p. 1804-1806　2008/04　Research paper (scientific journal)

Acid-catalyzed rearrangement of aryl-substituted homobenzoquinone epoxides

H. Asahara, E. Kubo, K. Togaya, T. Koizumi, E. Mochizuki, T. Oshima

ORGANIC LETTERS　Vol. 9　No. 17　p. 3421-3424　2007/08　Research paper (scientific journal)

Conformational analysis in the reversible intramolecular [2+2] photocycloaddition of diphenylbicyclo[4.2.0]oct-3-ene-2,5-diones

Haruyasu Asahara, Eiko Mochizuki, Takumi Oshima

TETRAHEDRON LETTERS　Vol. 47　No. 45　p. 7881-7884　2006/11　Research paper (scientific journal)

Two conformers of 10,11-dihydro-5H-dibenzo[a,d]cycloheptene spiro-linked with homobenzoquinone epoxide

H Asahara, T Koizumi, E Mochizuki, T Oshima

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS　Vol. 62　No. 3　p. O136-O138　2006/03　Research paper (scientific journal)

Acid-catalyzed transannular cyclization of 3aH-cyclopentene[8]annulene-1,4-(5H,9aH)-diones and some proposed mechanisms

T Koizumi, K Harada, H Asahara, E Mochizuki, K Kokubo, T Oshima

JOURNAL OF ORGANIC CHEMISTRY　Vol. 70　No. 21　p. 8364-8371　2005/10　Research paper (scientific journal)