World's Best Scientists 2026 revealed!
Kazunobu Toshima

Kazunobu Toshima

D-Index & Metrics

Chemistry

D-Index
57
Citations
10963
World Ranking
11144
National Ranking
817

Kazunobu Toshima 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 Kazunobu Toshima 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: 343 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Kazunobu Toshima 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 Kazunobu Toshima 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: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Kazunobu Toshima is affiliated with Keio University in Japan and has made contributions primarily in the fields of Biochemistry, Genetics and Molecular Biology, and Chemistry. Their research spans several subfields including Organic Chemistry, Molecular Biology, Aquatic Science, Plant Science, and Materials Chemistry.

Their work covers diverse topics such as:

  • Carbohydrate Chemistry and Synthesis
  • Glycosylation and Glycoproteins Research
  • Seaweed-derived Bioactive Compounds
  • Legume Nitrogen Fixing Symbiosis
  • Escherichia coli research studies
  • Nanoplatforms for cancer theranostics
  • Microbial Metabolites in Food Biotechnology

Toshima has published extensively in notable journals. Frequent publication venues include:

  • Angewandte Chemie
  • Angewandte Chemie International Edition
  • Chemistry - A European Journal
  • Carbohydrate Research
  • Organic & Biomolecular Chemistry

Selected recent papers include:

  • Diastereoselective desymmetric 1,2-cis-glycosylation of meso-diols via chirality transfer from a glycosyl donor, 2020, Nature Communications
  • Diboron-Catalyzed Regio- and 1,2-cis-α-Stereoselective Glycosylation of trans-1,2-Diols, 2020, The Journal of Organic Chemistry
  • Self-Assembling Properties and Recovery Effects on Damaged Skin Cells of Chemically Synthesized Mannosylerythritol Lipids, 2021, ChemBioChem
  • Recent advances in boron-mediated aglycon delivery (BMAD) for the efficient synthesis of 1,2-cis glycosides, 2022, Carbohydrate Research
  • Synthesis of a Pentasaccharide Repeating Unit of Lipopolysaccharide Derived from Virulent E. coli O1 and Identification of a Glycotope Candidate of Avian Pathogenic E. coli O1, 2020, Angewandte Chemie International Edition

Frequent co-authors include:

  • Daisuke Takahashi
  • Kazuki Inaba
  • Nobuya Nishi
  • Katsunori Seki
  • Tatsuki Koike

Best Publications

  • Recent progress in O-glycosylation methods and its application to natural products synthesis

    Kazunobu. Toshima;Kuniaki. Tatsuta

  • Molecular design and evaluation of quinoxaline-carbohydrate hybrids as novel and efficient photo-induced GG-selective DNA cleaving agents.

    Kazunobu Toshima;Ryusuke Takano;Tomohiro Ozawa;Shuichi Matsumura

  • Glycosyl fluorides in glycosidations.

    Kazunobu Toshima

  • Novel Poly(vinyl alcohol)-Degrading Enzyme and the Degradation Mechanism

    Shuichi Matsumura;Noriyasu Tomizawa;Atsuko Toki;Kimihito Nishikawa

  • Lipase-catalyzed ring-opening polymerization of lactide

    Shuichi Matsumura;Kimihiro Mabuchi;Kazunobu Toshima

  • Enzyme-Catalyzed Ring-Opening Polymerization of 1,3-Dioxan-2-one to Poly(trimethylene carbonate)

    Shuichi Matsumura;Keisuke Tsukada;Kazunobu Toshima

  • Boronic-Acid-Catalyzed Regioselective and 1,2-cis-Stereoselective Glycosylation of Unprotected Sugar Acceptors via SNi-Type Mechanism

    Masamichi Tanaka;Akira Nakagawa;Nobuya Nishi;Kiyoko Iijima

  • Structural Ion Selectivity of Thia Crown Ether Compounds with a Bulky Block Subunit and Their Application as an Ion-Sensing Component for an Ion-Selective Electrode

    Dwi Siswanta;Kazuhisa Nagatsuka;Hiroyuki Yamada;Kazuhiro Kumakura

  • Novel lipase-catalyzed ring-opening copolymerization of lactide and trimethylene carbonate forming poly(ester carbonate)s

    Shuichi Matsumura;Keisuke Tsukada;Kazunobu Toshima

  • Regioselective and 1,2-cis-α-Stereoselective Glycosylation Utilizing Glycosyl-Acceptor-Derived Boronic Ester Catalyst

    Akira Nakagawa;Masamichi Tanaka;Shun Hanamura;Daisuke Takahashi

  • Lipase-catalyzed synthesis and curing of high-molecular-weight polyricinoleate.

    Hiroki Ebata;Kazunobu Toshima;Shuichi Matsumura

  • Stereocontrolled Photoinduced Glycosylation Using an Aryl Thiourea as an Organo photoacid

    Tomoya Kimura;Takahiro Eto;Daisuke Takahashi;Kazunobu Toshima

  • Total Synthesis of Elaiophylin (Azalomycin B)

    Kazunobu Toshima;Kuniaki Tatsuta;Mitsuhiro Kinoshita

  • Enantiospecific Total Synthesis of a β-Glucosidase Inhibitor, Cyclophellitol

    Kuniaki Tatsuta;Yoshihisa Niwata;Kazuo Umezawa;Kazunobu Toshima

  • Total synthesis of bafilomycin A1

    Kazunobu Toshima;Takaaki Jyojima;Hiroyuki Yamaguchi;Yasunobu Noguchi

  • Glycosyl-Acceptor-Derived Borinic Ester-Promoted Direct and β-Stereoselective Mannosylation with a 1,2-Anhydromannose Donor

    Masamichi Tanaka;Junki Nashida;Daisuke Takahashi;Kazunobu Toshima

  • A New Class of DNA‐Cleaving Molecules: pH‐Dependent DNA Cleavage by Propargylic and Allenic Sulfones

    K. C. Nicolaou;G. Skokotas;P. Maligres;G. Zuccarello

  • Perspectives for synthesis and production of polyurethanes and related polymers by enzymes directed toward green and sustainable chemistry

    Shuichi Matsumura;Yasuyuki Soeda;Kazunobu Toshima

  • Aryl and Allyl C-Glycosidation Methods Using Unprotected Sugars

    Kazunobu Toshima;Goh Matsuo;Toru Ishizuka;Yasunobu Ushiki

  • Novel glycosylation methods and their application to natural products synthesis.

    Kazunobu Toshima

Frequent Co-Authors

Shuichi Matsumura
Shuichi Matsumura Keio University
Kazuo Umezawa
Kazuo Umezawa Aichi Medical University
K. C. Nicolaou
K. C. Nicolaou Rice University
Hirokazu Kawagishi
Hirokazu Kawagishi Shizuoka University
Seiichi Taguchi
Seiichi Taguchi Tokyo University of Agriculture
Takashi Miura
Takashi Miura National Institute of Technology, Tsuruoka College
Naoko Yoshie
Naoko Yoshie University of Tokyo
Yoshio Inoue
Yoshio Inoue Tokyo Institute of Technology
Hiroaki Imai
Hiroaki Imai Keio University

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