World's Best Scientists 2026 revealed!
Hiroaki Sasai

Hiroaki Sasai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 69 6216 5639 397 372 295 16250

Hiroaki Sasai publications per year

The chart shows the history of publications by Hiroaki Sasai between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroaki Sasai published across 45 years, from 1981 to 2025, averaging 6.8 papers a year. Output peaked at 18 publications in 1996. 3 of the 306 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 1996. 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 2 publications 1985: 4 publications 1986: 1 publication 1987: 2 publications 1988: 0 publications 1989: 2 publications 1990: 1 publication 1991: 3 publications 1992: 3 publications 1993: 6 publications 1994: 5 publications 1995: 15 publications 1996: 18 publications 1997: 14 publications 1998: 8 publications 1999: 2 publications 2000: 2 publications 2001: 2 publications 2002: 1 publication 2003: 13 publications 2004: 8 publications 2005: 6 publications 2006: 7 publications 2007: 10 publications 2008: 9 publications 2009: 13 publications 2010: 13 publications 2011: 10 publications 2012: 9 publications 2013: 12 publications 2014: 11 publications 2015: 14 publications 2016: 9 publications 2017: 9 publications 2018: 6 publications 2019: 5 publications 2020: 7 publications 2021: 11 publications 2022: 16 publications 2023: 10 publications 2024: 1 publication 2025: 2 publications
1981 2025

306 publications in total across all disciplines

View publications per year as a table
Hiroaki Sasai: publications per year, 1981 to 2025
Year Publications
1981 1
1982 1
1983 2
1984 2
1985 4
1986 1
1987 2
1988 0
1989 2
1990 1
1991 3
1992 3
1993 6
1994 5
1995 15
1996 18
1997 14
1998 8
1999 2
2000 2
2001 2
2002 1
2003 13
2004 8
2005 6
2006 7
2007 10
2008 9
2009 13
2010 13
2011 10
2012 9
2013 12
2014 11
2015 14
2016 9
2017 9
2018 6
2019 5
2020 7
2021 11
2022 16
2023 10
2024 1
2025 2
Total 306
Download as CSV

Hiroaki Sasai 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 Hiroaki Sasai 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, 281–300 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: 295 publications — 62nd percentile

62% 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
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939 295
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
Download as CSV

Hiroaki Sasai 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 Hiroaki Sasai 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, 68–69 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: 69 D-Index — 66th percentile

66% 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
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 69
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
Download as CSV

Overview

Hiroaki Sasai is affiliated with Osaka University in Japan and has contributed extensively to the fields of Chemistry and Materials Science. Their research spans multiple areas, with a particular focus on Organic Chemistry and Materials Chemistry, alongside investigations in Spectroscopy, Pharmacology, and Cellular and Molecular Neuroscience.

The scientist's research topics include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Axial and Atropisomeric Chirality Synthesis
  • Catalytic C-H Functionalization Methods
  • Photochromic and Fluorescence Chemistry
  • Porphyrin and Phthalocyanine Chemistry
  • Sulfur-Based Synthesis Techniques

Recent publications by Hiroaki Sasai demonstrate a focus on synthetic methodologies and catalysis. Notable papers include:

  • Atroposelective Synthesis of C-C Axially Chiral Compounds via Mono- and Dinuclear Vanadium Catalysis, 2022, Accounts of Chemical Research
  • Photoswitchable Chiral Phase Transfer Catalyst, 2021, ACS Catalysis
  • Energy-, time-, and labor-saving synthesis of α-ketiminophosphonates: machine-learning-assisted simultaneous multiparameter screening for electrochemical oxidation, 2021, Green Chemistry
  • Application of an Electrochemical Microflow Reactor for Cyanosilylation: Machine Learning-Assisted Exploration of Suitable Reaction Conditions for Semi-Large-Scale Synthesis, 2021, The Journal of Organic Chemistry
  • Electrochemical synthesis of heterodehydro[7]helicenes, 2022, Communications Chemistry

Hiroaki Sasai has published frequently in several scientific venues, including:

  • The Cambridge Structural Database
  • Chemical Communications
  • Advanced Synthesis & Catalysis
  • Molecules
  • ACS Catalysis

Their collaborative work involves several coauthors with whom they frequently publish. These include:

  • Shinobu Takizawa
  • Makoto Sako
  • Masaru Kondo
  • Mohamed S. H. Salem
  • Md. Imrul Khalid

Best Publications

  • Asymmetric Catalysis with Heterobimetallic Compounds

    Masakatsu Shibasaki;Hiroaki Sasai;Takayoshi Arai

  • Basic character of rare earth metal alkoxides. Utilization in catalytic C-C bond-forming reactions and catalytic asymmetric nitroaldol reactions

    Hiroaki Sasai;Takeyuki Suzuki;Shigeru Arai;Takayoshi Arai

  • Direct Catalytic Asymmetric Aldol Reaction

    Naoki Yoshikawa;Yoichi M. A. Yamada;Jagattaran Das;Hiroaki Sasai

  • Direct Catalytic Asymmetric Aldol Reactions of Aldehydes with Unmodified Ketones

    Yoichi M. A. Yamada;Naoki Yoshikawa;Hiroaki Sasai;Masakatsu Shibasaki

  • The First Heterobimetallic Multifunctional Asymmetric Catalyst

    Hiroaki Sasai;Takayoshi Arai;Yoshinori Satow;K. N. Houk

  • Catalytic Asymmetric Epoxidation of α,β-Unsaturated Ketones Promoted by Lanthanoid Complexes

    Masahiro Bougauchi;Shizue Watanabe;Takayoshi Arai;Hiroaki Sasai

  • A Catalytic Michael Addition of Thiols to α,β-Unsaturated Carbonyl Compounds: Asymmetric Michael Additions and Asymmetric Protonations

    Eita Emori;Takayoshi Arai;Hiroaki Sasai;Masakatsu Shibasaki

  • Bifunctional organocatalysts for enantioselective aza-Morita-Baylis-Hillman reaction.

    Katsuya Matsui;Shinobu Takizawa;Hiroaki Sasai

  • A New Multifunctional Heterobimetallic Asymmetric Catalyst for Michael Additions and Tandem Michael–Aldol Reactions

    Takayoshi Arai;Hiroaki Sasai;Kei-ichi Aoe;Kimio Okamura

  • Catalytic Asymmetric Synthesis of .alpha.-Amino Phosphonates Using Lanthanoid-Potassium-BINOL Complexes

    Hiroaki Sasai;Shigeru Arai;Yoshihiro Tahara;Masakatsu Shibasaki

  • Catalytic asymmetric nitroaldol reaction using optically active rare earth BINOL complexes : investigation of the catalyst structure

    Hiroaki Sasai;Takeyuki Suzuki;Noriie Itoh;Koichi Tanaka

  • Self‐Assembly of Heterobimetallic Complexes and Reactive Nucleophiles: A General Strategy for the Activation of Asymmetric Reactions Promoted by Heterobimetallic Catalysts

    Takayoshi Arai;Yoichi M. A. Yamada;Noriyoshi Yamamoto;Hiroaki Sasai

  • New Asymmetric Reactions Using a Gallium Complex: A Highly Enantioselective Ring Opening of Epoxides with Thiols Catalyzed by a Gallium·Lithium·Bis(binaphthoxide) Complex

    Takehiko Iida;Noriyoshi Yamamoto;Hiroaki Sasai;Masakatsu Shibasaki

  • A new asymmetric wacker-type cyclization and tandem cyclization promoted by Pd(II)-spiro bis(isoxazoline) catalyst

    Midori A. Arai;Minori Kuraishi;Takayoshi Arai;Hiroaki Sasai

  • Catalytic Asymmetric Michael Reactions Promoted by a Lithium-Free Lanthanum-BINOL Complex

    Hiroaki Sasai;Takayoshi Arai;Masakatsu Shibasaki

  • Catalytic Asymmetric Synthesis of alpha-Hydroxy Phosphonates Using the Al-Li-BINOL Complex.

    Takayoshi Arai;Masahiro Bougauchi;Hiroaki Sasai;Masakatsu Shibasaki

  • A New and Highly Efficient Asymmetric Route to Cyclic α-Amino Phosphonates: The First Catalytic Enantioselective Hydrophosphonylation of Cyclic Imines Catalyzed by Chiral Heterobimetallic Lanthanoid Complexes

    Harald Gröger;Yoshinobu Saida;Hiroaki Sasai;Kentaro Yamaguchi

  • Asymmetrische Katalyse mit Hetero‐Dimetall‐Verbindungen

    Masakatsu Shibasaki;Hiroaki Sasai;Takayoshi Arai

  • Efficient Diastereoselective and Enantioselective Nitroaldol Reactions from Prochiral Starting Materials: Utilization of La-Li-6,6'-Disubstituted BINOL Complexes as Asymmetric Catalysts

    Unknown

  • Enantioselective Synthesis of α-Alkylidene-γ-Butyrolactones: Intramolecular Rauhut–Currier Reaction Promoted by Acid/Base Organocatalysts

    Shinobu Takizawa;Tue Minh-Nhat Nguyen;André Grossmann;Dieter Enders

  • Catalytic asymmetric nitroaldol reactions. A new practical method for the preparation of the optically active lanthanum complex

    Hiroaki Sasai;Takeyuki Suzuki;Noriie Itoh;Masakatsu Shibasaki

Frequent Co-Authors

Shinobu Takizawa
Shinobu Takizawa Osaka University
Masakatsu Shibasaki
Masakatsu Shibasaki University of Tokyo
Takayoshi Arai
Takayoshi Arai Chiba University
Magnus Rueping
Magnus Rueping King Abdullah University of Science and Technology
Harald Gröger
Harald Gröger Bielefeld University
Mikiko Sodeoka
Mikiko Sodeoka Sagami Central Chemical Research Institute
Diwan S. Rawat
Diwan S. Rawat University of Delhi
Kentaro Yamaguchi
Kentaro Yamaguchi Tokushima Bunri University
Makoto Fujita
Makoto Fujita University of Tokyo
Takeshi Yanagida
Takeshi Yanagida University of Tokyo

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to various career opportunities beyond traditional lab roles. For those interested in legal aspects related to science, pursuing a paralegal salary associate's degree can be a practical option. This degree combines legal knowledge with scientific expertise, expanding career flexibility.

If you are drawn to the pharmaceutical industry but prefer a business-oriented role, learning how to get into pharmaceutical sales is a valuable path. Professionals in this area leverage their chemistry background to effectively communicate drug benefits to healthcare providers.

For more advanced healthcare careers, it’s important to understand how much does it cost to become a pharmacist, as this requires significant investment in education and training. Pharmacists play crucial roles in medication management and patient care, blending chemistry with clinical application.

Lastly, careers such as an autopsy tech provide unique opportunities to apply chemical and biological knowledge in forensic science. Exploring how to become an autopsy tech, including education and salary expectations, can guide those interested in this specialized field.

Best Scientists Citing Hiroaki Sasai

Trending Scientists

Recently Published Articles