World's Best Scientists 2026 revealed!
Masahito Ochiai

Masahito Ochiai

D-Index & Metrics

Chemistry

D-Index
58
Citations
11054
World Ranking
10704
National Ranking
779

Masahito Ochiai 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 Masahito Ochiai 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: 332 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Masahito Ochiai 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 Masahito Ochiai 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: 58 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Overview

Masahito Ochiai is affiliated with the University of Tokushima in Japan. Their research primarily spans the fields of Materials Science and Chemistry, with a focus on subfields such as Materials Chemistry, Organic Chemistry, Inorganic Chemistry, Environmental Chemistry, and Mechanics of Materials.

Their main research topics include crystallization and solubility studies, X-ray diffraction in crystallography, oxidative organic chemistry reactions, synthesis and catalytic reactions, vanadium and halogenation chemistry, porphyrin and phthalocyanine chemistry, and carbon nanotubes in composites.

Ochiai has contributed to several recent scientific papers, including:

  • Room-temperature chemical synthesis of C2, 2020, Nature Communications
  • Benchtop-Stable Hypervalent Bromine(III) Compounds: Versatile Strategy and Platform for Air- and Moisture-Stable λ3-Bromanes, 2021, Journal of the American Chemical Society
  • Reply to "A Thermodynamic assessment of the reported room-temperature chemical synthesis of C2", 2021, Nature Communications
  • A versatile iodo(iii)etherification of terminal ethynylsilanes using BF3-OiPr2and alkyl benzyl ethers, 2021, Organic & Biomolecular Chemistry
  • Synthesis, Characterization, and Reaction of Hypervalent Organo-λ3-bromanes and Chloranes, 2023, Journal of Synthetic Organic Chemistry Japan

Frequent coauthors in Ochiai's research include:

  • Kazunori Miyamoto
  • Masanobu Uchiyama
  • Motomichi Saito
  • Shunsuke Tsuji
  • Taisei Takagi

Their work has been published in various scientific venues, notably:

  • The Cambridge Structural Database
  • Nature Communications
  • Journal of the American Chemical Society
  • Organic & Biomolecular Chemistry
  • Journal of Synthetic Organic Chemistry Japan

Best Publications

  • Iodobenzene-catalyzed alpha-acetoxylation of ketones. in situ generation of hypervalent (diacyloxyiodo)benzenes using m-chloroperbenzoic acid.

    Masahito Ochiai;Yasunori Takeuchi;Tomoko Katayama;Takuya Sueda

  • Solvolysis of Cyclohexenyliodonium Salt, a New Precursor for the Vinyl Cation: Remarkable Nucleofugality of the Phenyliodonio Group and Evidence for Internal Return from an Intimate Ion-Molecule Pair

    Tadashi Okuyama;Tomoki Takino;Takuya Sueda;Masahito Ochiai

  • New C-4-chiral 1,3-thiazolidine-2-thiones: excellent chiral auxiliaries for highly diastereo-controlled aldol-type reactions of acetic acid and .alpha.,.beta.-unsaturated aldehydes

    Yoshimitsu Nagao;Yuichi Hagiwara;Toshio Kumagai;Masahito Ochiai

  • X-Ray crystal structure of rocaglamide, a novel antileulemic 1H-cyclopenta[b]benzofuran from Aglaia elliptifolia

    Ming Lu King;Chin-Chin Chiang;Han-Chin Ling;Eiichi Fujita

  • Reactions of vinylsilanes with lewis acid-activated iodosylbenzene: stereospecific syntheses of vinyliodonium tetrafluoroborates and their reactions as highly activated vinyl halides

    Masahito Ochiai;Kenzo Sumi;Yoshikazu Takaoka;Munetaka Kunishima

  • Stoichiometric and catalytic oxidations with hypervalent organo-lambda3-iodanes.

    Masahito Ochiai

  • Highly Regioselective Amination of Unactivated Alkanes by Hypervalent Sulfonylimino-λ3-Bromane

    Masahito Ochiai;Kazunori Miyamoto;Takao Kaneaki;Satoko Hayashi

  • Synthesis of Chiral Diaryliodonium Salts, 1,1‘-Binaphthyl-2-yl(phenyl)iodonium Tetrafluoroborates: Asymmetric α-Phenylation of β-Keto Ester Enolates

    Masahito Ochiai;Yutaka Kitagawa;Naoko Takayama;and Yoshikazu Takaoka

  • Tandem Michael-carbene insertion reactions of alkynyliodonium salts. Extremely efficient cyclopentene annulations

    Masahito. Ochiai;Munetaka. Kunishima;Yoshimitsu. Nagao;Kaoru. Fuji

  • Activated iodosylbenzene monomer as an ozone equivalent: oxidative cleavage of carbon-carbon double bonds in the presence of water.

    Kazunori Miyamoto;Norihiro Tada;Masahito Ochiai

  • Iodomesitylene-Catalyzed Oxidative Cleavage of Carbon−Carbon Double and Triple Bonds Using m-Chloroperbenzoic Acid as a Terminal Oxidant

    Kazunori Miyamoto;Yoshihisa Sei;Kentaro Yamaguchi;Masahito Ochiai

  • Hypervalent (tert-Butylperoxy)iodanes Generate Iodine-Centered Radicals at Room Temperature in Solution: Oxidation and Deprotection of Benzyl and Allyl Ethers, and Evidence for Generation of α-Oxy Carbon Radicals

    Masahito Ochiai;Takao Ito;Hideo Takahashi;Akinobu Nakanishi

  • Generation of [.beta.-(phenylsulfonyl)alkylidene]carbenes from hypervalent alkenyl- and alkynyliodonium tetrafluoroborates and synthesis of 1-(phenylsulfonyl)cyclopentenes

    Masahito Ochiai;Munetaka Kunishima;Shohei Tani;Yoshimitsu Nagao

  • trans Influences on Hypervalent Bonding of Aryl λ3-Iodanes: Their Stabilities and Isodesmic Reactions of Benziodoxolones and Benziodazolones

    Masahito Ochiai;Takuya Sueda;Kazunori Miyamoto;Paul Kiprof

  • Hypervalent iodine oxidation of amines using iodosobenzene: synthesis of nitriles, ketones and lactams

    Robert M Moriarty;Radhe K Vaid;Michael P Duncan;Masahito Ochiai

  • Reactivities, Properties and Structures

    Masahito Ochiai

  • New general asymmetric synthesis of versatile .gamma.-alkylated butenolides and its application to expeditious synthesis of the chiral Geissman-Waiss lactones useful for (+)-retronecine synthesis

    Yoshimitsu Nagao;Wei Min Dai;Masahito Ochiai;Motoo Shiro

  • Inversion of configuration in nucleophilic vinylic substitutions of (E)-β-alkylvinyliodonium tetrafluoroborates with halides

    Masahito Ochiai;Kunio Oshima;Yukio Masaki

  • Nucleophilic vinylic substitutions of λ3-vinyliodanes

    Masahito Ochiai

  • Hypervalent alkenyliodonium tetrafluoroborates. Evidence for generation of alkylidenecarbenes via base-induced .alpha.-elimination

    Masahito. Ochiai;Yoshikazu. Takaoka;Yoshimitsu. Nagao

Frequent Co-Authors

Motoo Shiro
Motoo Shiro Nagoya Institute of Technology
Masanobu Uchiyama
Masanobu Uchiyama University of Tokyo
Kentaro Yamaguchi
Kentaro Yamaguchi Tokushima Bunri University
Mutsumi Kimura
Mutsumi Kimura Shinshu University
Sei-ichi Nishimoto
Sei-ichi Nishimoto Kyoto University
Robert M. Moriarty
Robert M. Moriarty University of Illinois at Chicago
Shigeru Sakamoto
Shigeru Sakamoto Chiba University
Kazuhiko Takai
Kazuhiko Takai Okayama University
Andrew T. McPhail
Andrew T. McPhail Duke University
Han Zuilhof
Han Zuilhof Wageningen University & Research

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