World's Best Scientists 2026 revealed!
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Chemistry
Taiwan
2026

D-Index & Metrics

Chemistry

D-Index
135
Citations
56220
World Ranking
259
National Ranking
1

Tamio Hayashi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Tamio Hayashi sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 611 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Tamio Hayashi D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Tamio Hayashi sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 135 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Chemistry in Taiwan Leader Award
  • 2025 - Research.com Chemistry in Taiwan Leader Award
  • 2007 - Ryoji Noyori Prize, Society of Synthetic Organic Chemistry

Overview

Tamio Hayashi is affiliated with National Tsing Hua University in Taiwan. Their research primarily spans the field of Chemistry, with a focus on Organic Chemistry, Inorganic Chemistry, Materials Chemistry, Pharmaceutical Science, and Spectroscopy.

The scientist's work covers several main topics, including:

  • Asymmetric Hydrogenation and Catalysis
  • Asymmetric Synthesis and Catalysis
  • Catalytic C-H Functionalization Methods
  • Cyclopropane Reaction Mechanisms
  • Catalytic Cross-Coupling Reactions
  • Fluorine in Organic Chemistry
  • Catalytic Alkyne Reactions

Tamio Hayashi has published numerous papers, with notable recent publications such as:

  • "Chiral Diene Ligands in Asymmetric Catalysis," 2022, Chemical Reviews
  • "Asymmetric Synthesis of Fluorinated Allenes by Rhodium-Catalyzed Enantioselective Alkylation/Defluorination of Propargyl Difluorides with Alkylzincs," 2021, Angewandte Chemie International Edition
  • "Secondary Phosphine Sulfide-Enabled Iridium-Catalyzed Asymmetric Allylic Substitution," 2022, Angewandte Chemie International Edition
  • "Highly Enantioselective Synthesis of Monofluoroalkenes by Rhodium-Catalyzed Asymmetric Arylation/Defluorination of Allyl Difluorides," 2020, Organic Letters
  • "Rhodium-Catalyzed Diverse Arylation of 2,5-Dihydrofuran: Controllable Divergent Synthesis via Four Pathways," 2020, ACS Catalysis

The scientist frequently publishes in specific venues, including:

  • Angewandte Chemie International Edition
  • ACS Catalysis
  • Angewandte Chemie
  • The Cambridge Structural Database
  • Organic Letters

Tamio Hayashi's work often includes collaborations with several coauthors, notably:

  • Jialin Ming
  • Jia Sheng Ng
  • Yinhua Huang
  • Zeng-Hua Wu
  • Huaiyu Wang

In 2007, the scientist was awarded the Ryoji Noyori Prize by the Society of Synthetic Organic Chemistry.

Best Publications

  • Rhodium-catalyzed asymmetric 1,4-addition and its related asymmetric reactions

    Tamio Hayashi;Kaori Yamasaki

  • Catalytic asymmetric aldol reaction: reaction of aldehydes with isocyanoacetate catalyzed by a chiral ferrocenylphosphine-gold(I) complex

    Yoshihiko. Ito;Masaya. Sawamura;Tamio. Hayashi

  • Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II): an effective catalyst for cross-coupling of secondary and primary alkyl Grignard and alkylzinc reagents with organic halides

    Tamio Hayashi;Mitsuo Konishi;Yuji Kobori;Makoto Kumada

  • Rhodium-Catalyzed Asymmetric 1,4-Addition of Aryl- and Alkenylboronic Acids to Enones

    Yoshiaki Takaya;and Masamichi Ogasawara;Tamio Hayashi;Masaaki Sakai and

  • Catalytic Cycle of Rhodium-Catalyzed Asymmetric 1,4-Addition of Organoboronic Acids. Arylrhodium, Oxa-π-allylrhodium, and Hydroxorhodium Intermediates

    Tamio Hayashi;Makoto Takahashi;Yoshiaki Takaya;Masamichi Ogasawara

  • Chiral monodentate phosphine ligand MOP for transition-metal-catalyzed asymmetric reactions.

    Tamio Hayashi

  • Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine–Transition Metal Complexes. I. Preparation of Chiral Ferrocenylphosphines

    Tamio Hayashi;Takaya Mise;Motoo Fukushima;Masahiro Kagotani

  • A chiral chelating diene as a new type of chiral ligand for transition metal catalysts: its preparation and use for the rhodium-catalyzed asymmetric 1,4-addition.

    Tamio Hayashi;Kazuhito Ueyama;Norihito Tokunaga;Kazuhiro Yoshida

  • C2-Symmetric Bicyclo[2.2.2]octadienes as Chiral Ligands: Their High Performance in Rhodium-Catalyzed Asymmetric Arylation of N-Tosylarylimines

    Norihito Tokunaga;Yusuke Otomaru;Kazuhiro Okamoto;Kazuhito Ueyama

  • tert-Butoxide-mediated arylation of benzene with aryl halides in the presence of a catalytic 1,10-phenanthroline derivative.

    Eiji Shirakawa;Ken-ichi Itoh;Tomohiro Higashino;Tamio Hayashi

  • Asymmetric synthesis catalyzed by chiral ferrocenylphosphine - transition-metal complexes. 8. Palladium-catalyzed asymmetric allylic amination

    Tamio Hayashi;Akihiro Yamamoto;Yoshihiko Ito;Eriko Nishioka

  • Catalytic asymmetric arylation of 2,3-dihydrofuran with aryl triflates

    Fumiyuki Ozawa;Akihiko Kubo;Tamio Hayashi

  • Catalytic asymmetric synthesis of optically active 2-alkanols via hydrosilylation of 1-alkenes with a chiral monophosphine-palladium catalyst

    Yasuhiro Uozumi;Tamio Hayashi

  • Rhodium-Catalyzed Hydroarylation of Alkynes with Arylboronic Acids: 1,4-Shift of Rhodium from 2-Aryl-1-alkenylrhodium to 2-Alkenylarylrhodium Intermediate

    Tamio Hayashi;Kazuya Inoue;Nobukazu Taniguchi;Masamichi Ogasawara

  • Iron-catalyzed Grignard cross-coupling with alkyl halides possessing beta-hydrogens.

    Takashi Nagano;Tamio Hayashi

  • Asymmetric synthesis catalyzed by chiral ferrocenylphosphine-transition-metal complexes. 6. Practical asymmetric synthesis of 1,1'-binaphthyls via asymmetric cross-coupling with a chiral [(alkoxyalkyl)ferrocenyl]monophosphine/nickel catalyst

    Tamio. Hayashi;Keiichi. Hayashizaki;Takao. Kiyoi;Yoshihiko. Ito

  • Synthesis of optically active 2-(diarylphosphino)-1,1'-binaphthyls, efficient chiral monodentate phosphine ligands

    Yasuhiro Uozumi;Asako Tanahashi;Sang Yong Lee;Tamio Hayashi

  • Rhodium-Catalyzed Asymmetric Addition of Aryl- and Alkenylboronic Acids to Isatins

    Ryo Shintani;Mitsunori Inoue;Tamio Hayashi

  • Palladium-catalyzed asymmetric arylation of 2,3-dihydrofuran with phenyl triflate. A novel asymmetric catalysis involving a kinetic resolution process

    Fumiyuki Ozawa;Akihiko Kubo;Yonetatsu Matsumoto;Tamio Hayashi

  • Modification of optically active ferrocenylphosphine ligands for palladium-catalyzed asymmetric allylic alkylation

    Tamio Hayashi;Akihiro Yamamoto;Toshiya Hagihara;Yoshihiko Ito

  • Synthesis of All-Carbon Quaternary Stereocenters

    R. Shintani;Y. Tsutsumi;M. Nagaosa;T. Nishimura

Frequent Co-Authors

Ryo Shintani
Ryo Shintani Osaka University
Takahiro Nishimura
Takahiro Nishimura Osaka Metropolitan University
Yasuhiro Uozumi
Yasuhiro Uozumi The Graduate University for Advanced Studies, SOKENDAI
Makoto Kumada
Makoto Kumada Kyoto University
Masamichi Ogasawara
Masamichi Ogasawara University of Tokushima
Eiji Shirakawa
Eiji Shirakawa Kyoto University
Yoshihiko Ito
Yoshihiko Ito Kyoto University
Masaya Sawamura
Masaya Sawamura Hokkaido University
Fumiyuki Ozawa
Fumiyuki Ozawa Kyoto University
Yixin Lu
Yixin Lu National University of Singapore

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