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Kohtaro Osakada

D-Index & Metrics

Chemistry

D-Index
61
Citations
12045
World Ranking
9322
National Ranking
662

Kohtaro Osakada 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 Kohtaro Osakada 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: 472 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Kohtaro Osakada 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 Kohtaro Osakada 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: 61 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Kohtaro Osakada is affiliated with the Tokyo Institute of Technology in Japan. Their research primarily focuses on materials science and chemistry, with a strong emphasis on materials chemistry and organic chemistry. Their work also encompasses areas such as inorganic chemistry, spectroscopy, and process chemistry and technology.

The scientist's main research topics include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Organometallic Complex Synthesis and Catalysis
  • Organoboron and organosilicon chemistry
  • Catalytic Alkyne Reactions
  • Supramolecular Chemistry and Complexes
  • Synthesis and Properties of Aromatic Compounds

Kohtaro Osakada has contributed to various scientific journals and publication venues. Frequent venues for their work include:

  • The Cambridge Structural Database
  • Dalton Transactions
  • Molecules
  • Angewandte Chemie International Edition
  • Angewandte Chemie

Frequent coauthors collaborating with Osakada include:

  • Yoshitaka Tsuchido
  • Tomohito Ide
  • Take-aki Koizumi
  • Yuji Suzaki
  • Masaki Horie

Among recent publications associated with or related to their field of work are:

  • A Macrocyclic Gold(I)-Biphenylene Complex: Triangular Molecular Structure with Twisted Au2(diphosphine) Corners and Reductive Elimination of [6]Cycloparaphenylene, 2020, Angewandte Chemie International Edition
  • Transmetalation of boronic acids and their derivatives: mechanistic elucidation and relevance to catalysis, 2021, Dalton Transactions
  • A dodecamethoxy[6]cycloparaphenylene consisting entirely of hydroquinone ethers: unveiling in-plane aromaticity through a rotaxane structure, 2023, Nature Communications
  • Dynamic Au-C σ-Bonds Leading to an Efficient Synthesis of [n]Cycloparaphenylenes (n = 9-15) by Self-Assembly, 2022, JACS Au
  • Multinuclear Pd and Pt complexes with bridging Si- and Ge-ligands. Stable and flexible coordination bonds and structures and reactions of the molecules, 2020, Coordination Chemistry Reviews

The diverse range of research reflects ongoing exploration in crystallographic methods and organometallic chemistry, highlighting Osakada's involvement in synthesis, structural studies, and catalysis. This contribution covers both fundamental chemistry and applications relevant to material development.

Best Publications

  • Facile Synthesis of 2,5-Diarylthiazoles via Palladium-Catalyzed Tandem C−H Substitutions. Design of Tunable Light Emission and Liquid Crystalline Characteristics

    Atsunori Mori;Akitoshi Sekiguchi;Kentaro Masui;Tomohiro Shimada

  • Mechanism of CC coupling reactions of aromatic halides, promoted by Ni(COD)2 in the presence of 2,2′-bipyridine and PPh3, to give biaryls

    Takakazu Yamamoto;Shoichiro Wakabayashi;Kohtaro Osakada

  • Alkylnickel and -palladium alkoxides associated with alcohols through hydrogen bonding

    Yong Joo Kim;Kohtaro Osakada;Akio Takenaka;Akio Yamamoto

  • Hydroxorhodium Complex-Catalyzed Carbon−Carbon Bond-Forming Reactions of Silanediols with α,β-Unsaturated Carbonyl Compounds. Mizoroki-Heck-Type Reaction vs Conjugate Addition

    Atsunori Mori;Yasuaki Danda;Toshinari Fujii;Kazunori Hirabayashi

  • Dipalladium Catalyst for Olefin Polymerization: Introduction of Acrylate Units into the Main Chain of Branched Polyethylene

    Shigenaga Takano;Daisuke Takeuchi;Kohtaro Osakada;Norihisa Akamatsu

  • Double-decker-type dinuclear nickel catalyst for olefin polymerization: efficient incorporation of functional co-monomers.

    Daisuke Takeuchi;Yuriko Chiba;Shigenaga Takano;Kohtaro Osakada

  • Transmetallation of alkynyl and aryl complexes of Group 10 transition metals

    Kohtaro Osakada;Takakazu Yamamoto

  • Kinetic study on chemical oxidation of leucoemeraldine base polyaniline to emeraldine base

    Doo Kyung Moon;Masahiro Ezuka;Tsukasa Maruyama;Kohtaro Osakada

  • Pd‐Catalyzed Polymerization of Dienes that Involves Chain‐Walking Isomerization of the Growing Polymer End: Synthesis of Polymers Composed of Polymethylene and Five‐Membered‐Ring Units

    Takeshi Okada;Sehoon Park;Daisuke Takeuchi;Kohtaro Osakada

  • Nickel-Complex-Promoted Carboxylation of Haloarenes Involving Insertion of CO2 into NiII-C Bonds

    Kohtaro Osakada;Rei Sato;Takakazu Yamamoto

  • Preparation and properties of new methyl-(alkoxo)- and methyl-(thiolato)nickel and methyl(alkoxo)- and methyl(thiolato)-palladium complexes. Carbon monoxide and carbon disulfide insertion into the alkoxo-palladium bond

    Yong Joo. Kim;Kohtaro. Osakada;Kouji. Sugita;Takakazu. Yamamoto

  • Preparation, structure, and formation mechanism of ruthenium aryloxide complexes cis-RuH(OAr)(PMe3)4 (Ar = C6H5, C6H4-p-Me) and cis-RuH(OC6H4-p-CN)(PMe3)4(HOC6H4-p-CN)

    Kohtaro. Osakada;Kimitaka. Ohshiro;Akio. Yamamoto

  • Polyrotaxane Containing a Blocking Group in Every Structural Unit of the Polymer Chain. Direct Synthesis of Poly(alkylenebenzimidazole) Rotaxane from Ru Complex-Catalyzed Reaction of 1,12-Dodecanediol and 3,3‘-Diaminobenzidine in the Presence of Cyclodextrin

    Isao Yamaguchi;Kohtaro Osakada;Takakazu Yamamoto

  • Introduction of a Long Alkyl Side Chain to Poly(benzimidazole)s. N-Alkylation of the Imidazole Ring and Synthesis of Novel Side Chain Polyrotaxanes

    Isao Yamaguchi;Kohtaro Osakada;Takakazu Yamamoto

  • Ruthenium complex catalyzed regioselective dehydrogenation of unsymmetrical α,ω-diols

    Youichi Ishii;Kohtaro Osakada;Takao Ikariya;Masahiko Saburi

  • Preparation and Properties of trans-Pd(Ar)(C⋮CPh)(PEt3)2. Intermolecular Alkynyl Ligand Transfer between Copper(I) and Palladium(II) Complexes Relevant to Palladium Complex Catalyzed Cross-Coupling of Terminal Alkyne with Haloarene in the Presence of CuI Cocatalyst

    Kohtaro Osakada;Reiko Sakata;Takakazu Yamamoto

  • Room Temperature-Stable Electride as a Synthetic Organic Reagent: Application to Pinacol Coupling Reaction in Aqueous Media

    Haritha Buchammagari;Yoshitake Toda;Masahiro Hirano;Hideo Hosono

  • Decarbonylation of thiol esters to give sulfides promoted by transition metal complexes

    Kohtaro Osakada;Takakazu Yamamoto;Akio Yamamoto

  • Pd Complex-Promoted Cyclopolymerization of Functionalized α,ω-Dienes and Copolymerization with Ethylene to Afford Polymers with Cyclic Repeating Units

    Sehoon Park;Daisuke Takeuchi;Kohtaro Osakada

  • Preparation of polyaniline by oxidation of aniline using H2O2 in the presence of an iron(II) catalyst

    Doo Kyung Moon;Kohtaro Osakada;Tsukasa Maruyama;Takakazu Yamamoto

Frequent Co-Authors

Takakazu Yamamoto
Takakazu Yamamoto Tokyo Institute of Technology
Akio Yamamoto
Akio Yamamoto Waseda University
Yasushi Nishihara
Yasushi Nishihara Okayama University
Atsunori Mori
Atsunori Mori Kobe University
Fumiyuki Ozawa
Fumiyuki Ozawa Kyoto University
Takaki Kanbara
Takaki Kanbara University of Tsukuba
Tomiki Ikeda
Tomiki Ikeda Chuo University
Ewa Gorecka
Ewa Gorecka University of Warsaw
Takao Ikariya
Takao Ikariya Tokyo Institute of Technology
Akihisa Inoue
Akihisa Inoue Josai International University

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Best Scientists Citing Kohtaro Osakada

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Publications: 29

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