World's Best Scientists 2026 revealed!
Haruro Ishitani

Haruro Ishitani

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 50 14325 12895 1113 1010 142 9615

Haruro Ishitani publications per year

The chart shows the history of publications by Haruro Ishitani between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Haruro Ishitani published across 34 years, from 1992 to 2025, averaging 4.4 papers a year. Output peaked at 33 publications in 2002. 9 of the 149 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2002. 1992: 1 publication 1993: 3 publications 1994: 4 publications 1995: 7 publications 1996: 6 publications 1997: 4 publications 1998: 8 publications 1999: 7 publications 2000: 8 publications 2001: 6 publications 2002: 33 publications 2003: 5 publications 2004: 3 publications 2005: 2 publications 2006: 0 publications 2007: 1 publication 2008: 4 publications 2009: 2 publications 2010: 3 publications 2011: 0 publications 2012: 1 publication 2013: 1 publication 2014: 0 publications 2015: 1 publication 2016: 3 publications 2017: 3 publications 2018: 2 publications 2019: 5 publications 2020: 3 publications 2021: 4 publications 2022: 4 publications 2023: 6 publications 2024: 5 publications 2025: 4 publications
1992 2025

149 publications in total across all disciplines

View publications per year as a table
Haruro Ishitani: publications per year, 1992 to 2025
Year Publications
1992 1
1993 3
1994 4
1995 7
1996 6
1997 4
1998 8
1999 7
2000 8
2001 6
2002 33
2003 5
2004 3
2005 2
2006 0
2007 1
2008 4
2009 2
2010 3
2011 0
2012 1
2013 1
2014 0
2015 1
2016 3
2017 3
2018 2
2019 5
2020 3
2021 4
2022 4
2023 6
2024 5
2025 4
Total 149
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Haruro Ishitani 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 Haruro Ishitani 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, 141–160 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: 142 publications — 11th percentile

11% 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 1,218 142
161–180 1,350
181–200 1,344
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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Haruro Ishitani 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 Haruro Ishitani 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, 50–51 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: 50 D-Index — 21st percentile

21% 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
46–47 776
48–49 835
50–51 861 50
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

Haruro Ishitani is affiliated with the University of Tokyo in Japan and has an active research profile focused mainly in the fields of chemistry and engineering. Their body of work spans multiple subfields including biomedical engineering, organic chemistry, inorganic chemistry, pharmacology, and molecular biology.

Their research extensively covers topics such as innovative microfluidic and catalytic techniques, asymmetric hydrogenation and catalysis, nanomaterials for catalytic reactions, chemical synthesis and analysis, oxidative organic chemistry reactions, berberine and alkaloids research, and the synthesis and pharmacology of alkaloids.

Haruro Ishitani has contributed to a range of journals, with frequent publications appearing in:

  • Advanced Synthesis & Catalysis
  • Chemistry - A European Journal
  • The Journal of Organic Chemistry
  • Green Chemistry
  • Organic Process Research & Development

Their published papers include:

  • Reworking Organic Synthesis for the Modern Age: Synthetic Strategies Based on Continuous-Flow Addition and Condensation Reactions with Heterogeneous Catalysts, 2020, The Journal of Organic Chemistry
  • Continuous-Flow Synthesis of (R)-Tamsulosin Utilizing Sequential Heterogeneous Catalysis, 2022, Angewandte Chemie International Edition
  • Enantioselective Sequential-Flow Synthesis of Baclofen Precursor via Asymmetric 1,4-Addition and Chemoselective Hydrogenation on Platinum/Carbon/Calcium Phosphate Composites, 2020, Chemistry - An Asian Journal
  • High-Throughput Synthesis of (S)-α-Phellandrene through Three-Step Sequential Continuous-Flow Reactions, 2021, Organic Process Research & Development
  • Front Cover Picture: Two-Step Continuous-Flow Synthesis of Fungicide Metalaxyl through Catalytic C−N Bond-Formation Processes (Adv. Synth. Catal. 1/2022), 2021, Advanced Synthesis & Catalysis

The research collaboration network of Haruro Ishitani includes frequent coauthors such as Shū Kobayashi, Yuichi Furiya, Yuki Saito, Benjamin Laroche, and Zhibo Yu.

Their work focuses on advancing catalytic techniques, especially within continuous-flow synthesis methods and asymmetric catalysis, often applying nanomaterials and heterogeneous catalysts. This reflects a multidisciplinary approach combining chemistry and engineering principles to develop novel synthetic strategies and processes relevant to both academic and industrial applications.

Best Publications

  • Catalytic enantioselective addition to imines.

    Shū Kobayashi;Haruro Ishitani

  • CATALYTIC ENANTIOSELECTIVE MANNICH-TYPE REACTIONS USING A NOVEL CHIRAL ZIRCONIUM CATALYST

    Haruro Ishitani;Masaharu Ueno;Shū Kobayashi

  • Catalytic Asymmetric Synthesis of Both Syn- and Anti-β-Amino Alcohols

    Shū Kobayashi;Haruro Ishitani;Masaharu Ueno

  • Catalytic asymmetric aza Diels-Alder reactions using a chiral lanthanide Lewis acid. Enantioselective synthesis of tetrahydroquinoline derivatives using a catalytic amount of a chiral source

    Haruro Ishitani;Shū Kobayashi

  • Enantioselective Mannich-Type Reactions Using a Novel Chiral Zirconium Catalyst for the Synthesis of Optically Active β-Amino Acid Derivatives

    Haruro Ishitani;and Masaharu Ueno;Shū Kobayashi

  • Lanthanide Triflate Catalyzed Imino Diels-Alder Reactions; Convenient Syntheses of Pyridine and Quinoline Derivatives

    Shū Kobayashi;Haruro Ishitani;Satoshi Nagayama

  • Catalytic Asymmetric Strecker Synthesis. Preparation of Enantiomerically Pure α-Amino Acid Derivatives from Aldimines and Tributyltin Cyanide or Achiral Aldehydes, Amines, and Hydrogen Cyanide Using a Chiral Zirconium Catalyst

    Haruro Ishitani;Susumu Komiyama;and Yoshiki Hasegawa;Shū Kobayashi

  • Lanthanide (III)-catalyzed enantioselective Diels-Alder reactions. Stereoselective synthesis of both enantiomers by using a single chiral source and a choice of achiral ligands

    Shu Kobayashi;Haruro Ishitani

  • Scandium trifluoromethanesulfonate (Sc(OTf)3). A novel reusable catalyst in the Diels-Alder reaction

    Shū Kobayashi;Iwao Hachiya;Mitsuharu Araki;Haruro Ishitani

  • Catalytic, Enantioselective Synthesis of α-Aminonitriles with a Novel Zirconium Catalyst.

    Haruro Ishitani;Susumu Komiyama;Shū Kobayashi

  • A Novel Inhibitor of Ceramide Trafficking from the Endoplasmic Reticulum to the Site of Sphingomyelin Synthesis

    Satoshi Yasuda;Hidetoshi Kitagawa;Masaharu Ueno;Haruro Ishitani

  • The First Enantioselective Aza-Diels-Alder Reactions of Imino Dienophiles on Use of a Chiral Zirconium Catalyst.

    Shū Kobayashi;Susumu Komiyama;Haruro Ishitani

  • Highly anti-selective asymmetric aldol reactions using chiral zirconium catalysts. Improvement of activities, structure of the novel zirconium complexes, and effect of a small amount of water for the preparation of the catalysts.

    Yasuhiro Yamashita;Haruro Ishitani;Haruka Shimizu;Shū Kobayashi

  • Lanthanide trifluoromethanesulfonates as reusable catalysts. Michael and Diels-Alder reactions

    Shū Kobayashi;Iwao Hachiya;Takeshi Takahori;Mitsuharu Araki

  • Catalytic Asymmetric Synthesis of Antimalarial Alkaloids Febrifugine and Isofebrifugine and Their Biological Activity.

    Shu Kobayashi;Masaharu Ueno;Ritsu Suzuki;Haruro Ishitani

  • Chiral hetero Diels-Alder products by enantioselective and diastereoselective zirconium catalysis. Scope, limitation, mechanism, and application to the concise synthesis of (+)-Prelactone C and (+)-9-deoxygoniopypyrone.

    Yasuhiro Yamashita;Susumu Saito;Haruro Ishitani;Shū Kobayashi

  • Catalytic asymmetric synthesis of febrifugine and isofebrifugine

    Shū Kobayashi;Masaharu Ueno;Ritsu Suzuki;Haruro Ishitani

  • A SWITCH OF ENANTIOFACIAL SELECTIVITIES USING DESIGNED SIMILAR CHIRAL LIGANDS IN ZIRCONIUM-CATALYZED ASYMMETRIC AZA DIELS-ALDER REACTIONS

    Shū Kobayashi;Ken-ichi Kusakabe;Susumu Komiyama;Haruro Ishitani

  • Activation of Imines by Rare Earth Metal Triflates. Ln(OTf)3- or Sc(OTf)3-Catalyzed Reactions of Imines with Silyl Enolates and Diels-Alder Reactions of Imines

    Shû Kobayashi;Mitsuharu Araki;Haruro Ishitani;Satoshi Nagayama

  • Asymmetric intramolecular [3 + 2] cycloaddition reactions of acylhydrazones/olefins using a chiral zirconium catalyst

    Shū Kobayashi;Haruka Shimizu;Yasuhiro Yamashita;Haruro Ishitani

Frequent Co-Authors

Shu Kobayashi
Shu Kobayashi University of Tokyo
Kentaro Hanada
Kentaro Hanada National Institutes of Health
Masahiro Nishijima
Masahiro Nishijima Showa Pharmaceutical University

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