World's Best Scientists 2026 revealed!
Seiji Shirakawa

Seiji Shirakawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16896 15261 1332 1207 198 6784

Seiji Shirakawa publications per year

The chart shows the history of publications by Seiji Shirakawa between 1991 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Seiji Shirakawa published across 36 years, from 1991 to 2026, averaging 6 papers a year. Output peaked at 73 publications in 2012. 7 of the 216 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1991 to 2026. Vertical axis: number of publications, 0 to 73. Peak 73 publications in 2012. 1991: 1 publication 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 0 publications 1997: 0 publications 1998: 1 publication 1999: 1 publication 2000: 2 publications 2001: 4 publications 2002: 4 publications 2003: 4 publications 2004: 2 publications 2005: 6 publications 2006: 3 publications 2007: 5 publications 2008: 7 publications 2009: 3 publications 2010: 6 publications 2011: 9 publications 2012: 73 publications 2013: 12 publications 2014: 9 publications 2015: 4 publications 2016: 9 publications 2017: 6 publications 2018: 4 publications 2019: 3 publications 2020: 5 publications 2021: 6 publications 2022: 3 publications 2023: 12 publications 2024: 4 publications 2025: 5 publications 2026: 2 publications
1991 2026

216 publications in total across all disciplines

View publications per year as a table
Seiji Shirakawa: publications per year, 1991 to 2026
Year Publications
1991 1
1992 0
1993 0
1994 0
1995 1
1996 0
1997 0
1998 1
1999 1
2000 2
2001 4
2002 4
2003 4
2004 2
2005 6
2006 3
2007 5
2008 7
2009 3
2010 6
2011 9
2012 73
2013 12
2014 9
2015 4
2016 9
2017 6
2018 4
2019 3
2020 5
2021 6
2022 3
2023 12
2024 4
2025 5
2026 2
Total 216
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Seiji Shirakawa 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 Seiji Shirakawa sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 181–200 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 198 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344 198
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Seiji Shirakawa 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 Seiji Shirakawa sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 44–45 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808 44
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Seiji Shirakawa is affiliated with Nagasaki University in Japan and has contributed extensively to the field of chemistry, particularly within organic and inorganic chemistry. Their research encompasses a variety of topics related to chemical synthesis, catalysis, and applications in imaging techniques.

The main fields of study for Shirakawa include:

  • Chemistry

Within this broad field, the subfields of focus are:

  • Organic Chemistry
  • Inorganic Chemistry
  • Process Chemistry and Technology
  • Materials Chemistry
  • Radiology, Nuclear Medicine and Imaging

Their research covers several key topics, including:

  • Vanadium and Halogenation Chemistry
  • Chemical Synthesis and Reactions
  • Oxidative Organic Chemistry Reactions
  • Asymmetric Synthesis and Catalysis
  • Asymmetric Hydrogenation and Catalysis
  • Carbon dioxide utilization in catalysis
  • Medical Imaging Techniques and Applications

Seiji Shirakawa has authored multiple papers in prominent scientific journals. Some recent publications include:

  • Hydrogen-Bonding Catalysis of Alkyl-Onium Salts, 2020, Chemistry - An Asian Journal
  • Chiral sulfide and selenide catalysts for asymmetric halocyclizations and related reactions, 2023, Organic & Biomolecular Chemistry
  • Chiral Bifunctional Sulfide-Catalyzed Highly Enantioselective Bromolactonizations of 4-Pentenoic Acids, 2020, Asian Journal of Organic Chemistry
  • Chiral bifunctional sulfide-catalyzed asymmetric bromoaminocyclizations, 2020, Organic & Biomolecular Chemistry
  • Asymmetric Catalysis of Chiral Bifunctional Selenides and Selenonium Salts Bearing a Urea Group, 2021, Asian Journal of Organic Chemistry

Publication venues where Shirakawa frequently contributes include:

  • Asian Journal of Organic Chemistry
  • Organic & Biomolecular Chemistry
  • European Journal of Organic Chemistry
  • The Cambridge Structural Database
  • Chemical Communications

Collaborative efforts have involved several frequent coauthors, notably:

  • Ken Okuno
  • Ryuichi Nishiyori
  • Sao Sumida
  • Yasuaki Furuya
  • Taiki Mori

Shirakawa's work integrates interdisciplinary aspects of chemistry and catalysis, contributing knowledge relevant to both synthetic methodologies and applied chemical processes, including medical imaging techniques.

Best Publications

  • Recent Developments in Asymmetric Phase-Transfer Reactions

    Seiji Shirakawa;Keiji Maruoka

  • Powerful Chiral Phase-Transfer Catalysts for the Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-amino Acids

    Masanori Kitamura;Seiji Shirakawa;Keiji Maruoka

  • Surfactant-type Brønsted acid catalyzed dehydrative nucleophilic substitutions of alcohols in water.

    Seiji Shirakawa;Shū Kobayashi

  • Enantioselective base-free phase-transfer reaction in water-rich solvent.

    Rongjun He;Seiji Shirakawa;Keiji Maruoka

  • Design of bifunctional quaternary phosphonium salt catalysts for CO2 fixation reaction with epoxides under mild conditions

    Shiyao Liu;Naoki Suematsu;Keiji Maruoka;Seiji Shirakawa

  • Catalytic Asymmetric Synthesis of Axially Chiral o-Iodoanilides by Phase-Transfer Catalyzed Alkylations

    Seiji Shirakawa;Kun Liu;Keiji Maruoka

  • Carboxylic Acid Catalyzed Three-Component Aza-Friedel−Crafts Reactions in Water for the Synthesis of 3-Substituted Indoles

    Seiji Shirakawa;Shu Kobayashi

  • Chiral quaternary phosphonium salts as phase-transfer catalysts for environmentally benign asymmetric transformations

    Shiyao Liu;Yusuke Kumatabara;Seiji Shirakawa

  • Novel Water‐Soluble Calix[4]arene Ligands with Phosphane‐Containing Groups for Dual Functional Metal‐Complex Catalysts: The Biphasic Hydroformylation of Water‐Insoluble Olefins

    Shoichi Shimizu;Seiji Shirakawa;Yasuyuki Sasaki;Choichiro Hirai

  • A new generation of chiral phase-transfer catalysts.

    Shiho Kaneko;Yusuke Kumatabara;Seiji Shirakawa

  • Triethylamine Hydroiodide as a Simple Yet Effective Bifunctional Catalyst for CO2 Fixation Reactions with Epoxides under Mild Conditions

    Yusuke Kumatabara;Megumi Okada;Seiji Shirakawa

  • Neue Entwicklungen bei asymmetrischen Phasentransferreaktionen

    Seiji Shirakawa;Keiji Maruoka

  • Organocatalyzed Asymmetric Synthesis of Axially, Planar, and Helical Chiral Compounds

    Seiji Shirakawa;Shiyao Liu;Shiho Kaneko

  • Potassium Iodide–Tetraethylene Glycol Complex as a Practical Catalyst for CO2 Fixation Reactions with Epoxides under Mild Conditions

    Shiho Kaneko;Seiji Shirakawa

  • Kinetic resolution of axially chiral 2-amino-1,1'-biaryls by phase-transfer-catalyzed N-allylation.

    Seiji Shirakawa;Xiangfei Wu;Keiji Maruoka

  • Chiral bifunctional phase transfer catalysts for asymmetric fluorination of β-keto esters

    Xisheng Wang;Quan Lan;Seiji Shirakawa;Keiji Maruoka

  • Design of a Novel Inherently Chiral Calix[4]arene for Chiral Molecular Recognition

    Seiji Shirakawa;and Akihiro Moriyama;Shoichi Shimizu

  • A simple and general chiral silicon Lewis acid for asymmetric synthesis: highly enantioselective [3+2] acylhydrazone-enol ether cycloadditions.

    Seiji Shirakawa;Pamela J. Lombardi;James L. Leighton

  • Efficient approach for the design of effective chiral quaternary phosphonium salts in asymmetric conjugate additions

    Seiji Shirakawa;Atsuyuki Kasai;Takashi Tokuda;Keiji Maruoka

  • Design of chiral bifunctional quaternary phosphonium bromide catalysts possessing an amide moiety.

    Seiji Shirakawa;Takashi Tokuda;Atsuyuki Kasai;Keiji Maruoka

Frequent Co-Authors

Keiji Maruoka
Keiji Maruoka Kyoto University
Kun Liu
Kun Liu Beijing Institute of Technology
James L. Leighton
James L. Leighton Columbia University
Shu Kobayashi
Shu Kobayashi University of Tokyo
Xi-Sheng Wang
Xi-Sheng Wang University of Science and Technology of China
Takashi Ooi
Takashi Ooi Nagoya University
Benjamin List
Benjamin List Max Planck Society
Tomoya Miura
Tomoya Miura Kyoto University
Junji Konishi
Junji Konishi Kyoto University
Li Deng
Li Deng Brandeis University

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