World's Best Scientists 2026 revealed!
Yujiro Hayashi

Yujiro Hayashi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 72 5200 4722 305 285 465 21139

Yujiro Hayashi publications per year

The chart shows the history of publications by Yujiro Hayashi between 1964 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Yujiro Hayashi published across 63 years, from 1964 to 2026, averaging 8 papers a year. Output peaked at 30 publications in 2012. 8 of the 505 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1964 to 2026. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2012. 1964: 1 publication 1965: 0 publications 1966: 0 publications 1967: 2 publications 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 2 publications 1975: 1 publication 1976: 0 publications 1977: 4 publications 1978: 2 publications 1979: 2 publications 1980: 4 publications 1981: 0 publications 1982: 3 publications 1983: 11 publications 1984: 7 publications 1985: 13 publications 1986: 15 publications 1987: 10 publications 1988: 4 publications 1989: 11 publications 1990: 12 publications 1991: 12 publications 1992: 10 publications 1993: 8 publications 1994: 8 publications 1995: 3 publications 1996: 4 publications 1997: 6 publications 1998: 8 publications 1999: 0 publications 2000: 1 publication 2001: 2 publications 2002: 11 publications 2003: 8 publications 2004: 11 publications 2005: 17 publications 2006: 15 publications 2007: 17 publications 2008: 27 publications 2009: 15 publications 2010: 11 publications 2011: 17 publications 2012: 30 publications 2013: 16 publications 2014: 17 publications 2015: 10 publications 2016: 15 publications 2017: 4 publications 2018: 13 publications 2019: 7 publications 2020: 13 publications 2021: 12 publications 2022: 14 publications 2023: 21 publications 2024: 8 publications 2025: 7 publications 2026: 1 publication
1964 2026

505 publications in total across all disciplines

View publications per year as a table
Yujiro Hayashi: publications per year, 1964 to 2026
Year Publications
1964 1
1965 0
1966 0
1967 2
1968 1
1969 0
1970 0
1971 0
1972 0
1973 1
1974 2
1975 1
1976 0
1977 4
1978 2
1979 2
1980 4
1981 0
1982 3
1983 11
1984 7
1985 13
1986 15
1987 10
1988 4
1989 11
1990 12
1991 12
1992 10
1993 8
1994 8
1995 3
1996 4
1997 6
1998 8
1999 0
2000 1
2001 2
2002 11
2003 8
2004 11
2005 17
2006 15
2007 17
2008 27
2009 15
2010 11
2011 17
2012 30
2013 16
2014 17
2015 10
2016 15
2017 4
2018 13
2019 7
2020 13
2021 12
2022 14
2023 21
2024 8
2025 7
2026 1
Total 505
Download as CSV

Yujiro Hayashi 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 Yujiro Hayashi 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, 461–480 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: 465 publications — 86th percentile

86% 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
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265 465
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

Yujiro Hayashi 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 Yujiro Hayashi 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, 72–73 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: 72 D-Index — 71st percentile

71% 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
70–71 646
72–73 561 72
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

Yujiro Hayashi is affiliated with Tohoku University in Japan and has contributed extensively to the field of chemistry, focusing primarily on organic chemistry. Their research spans multiple aspects of chemical synthesis, asymmetric catalysis, and related biochemical methods.

The main fields of study for Yujiro Hayashi include:

  • Chemistry

Within chemistry, their subfields of expertise are diverse and include:

  • Organic Chemistry
  • Molecular Biology
  • Inorganic Chemistry
  • Spectroscopy
  • Materials Chemistry

Their work engages deeply with several specialized topics, such as:

  • Asymmetric Synthesis and Catalysis
  • Synthetic Organic Chemistry Methods
  • Chemical Synthesis and Analysis
  • Oxidative Organic Chemistry Reactions
  • Asymmetric Hydrogenation and Catalysis
  • Axial and Atropisomeric Chirality Synthesis
  • Chemical Synthesis and Reactions

Among Yujiro Hayashi's recent papers are:

  • "Time and Pot Economy in Total Synthesis" (2021), published in Accounts of Chemical Research
  • "Time Economy in Total Synthesis" (2020), published in The Journal of Organic Chemistry

Yujiro Hayashi has frequently collaborated with several coauthors, including:

  • Nariyoshi Umekubo
  • Tohru Taniguchi
  • Kenji Monde
  • Seitaro Koshino
  • Eunsang Kwon

Their research has appeared prominently in the following publication venues:

  • Chemistry - A European Journal
  • Organic Letters
  • European Journal of Organic Chemistry
  • Gastroenterology
  • Chemical Science

Best Publications

  • Diphenylprolinol Silyl Ethers as Efficient Organocatalysts for the Asymmetric Michael Reaction of Aldehydes and Nitroalkenes

    Yujiro Hayashi;Hiroaki Gotoh;Takaaki Hayashi;Mitsuru Shoji

  • Pot economy and one-pot synthesis

    Yujiro Hayashi

  • Highly diastereo- and enantioselective direct aldol reactions in water.

    Yujiro Hayashi;Tatsunobu Sumiya;Junichi Takahashi;Hiroaki Gotoh

  • In Water or in the Presence of Water

    Yujiro Hayashi

  • High‐Yielding Synthesis of the Anti‐Influenza Neuramidase Inhibitor (−)‐Oseltamivir by Three “One‐Pot” Operations

    Hayato Ishikawa;Takaki Suzuki;Yujiro Hayashi

  • Direct proline catalyzed asymmetric α-aminooxylation of aldehydes

    Yujiro Hayashi;Junichiro Yamaguchi;Kazuhiro Hibino;Mitsuru Shoji

  • Combined proline-surfactant organocatalyst for the highly diastereo- and enantioselective aqueous direct cross-aldol reaction of aldehydes.

    Yujiro Hayashi;Seiji Aratake;Tsubasa Okano;Junichi Takahashi

  • The Direct and Enantioselective, One-Pot, Three-Component, Cross-Mannich Reaction of Aldehydes†

    Yujiro Hayashi;Wataru Tsuboi;Itaru Ashimine;Tatsuya Urushima

  • A Novel Chiral Super-Lewis Acidic Catalyst for Enantioselective Synthesis

    Yujiro Hayashi;Jeffrey J. Rohde;E. J. Corey

  • Direct Proline‐Catalyzed Asymmetric α‐Aminoxylation of Ketones

    Yujiro Hayashi;Junichiro Yamaguchi;Tatsunobu Sumiya;Mitsuru Shoji

  • Asymmetric Michael Reaction of Acetaldehyde Catalyzed by Diphenylprolinol Silyl Ether

    Yujiro Hayashi;Takahiko Itoh;Masahiro Ohkubo;Hayato Ishikawa

  • Diphenylprolinol Silyl Ether as Catalyst of an Asymmetric, Catalytic, and Direct Michael Reaction of Nitroalkanes with α,β-Unsaturated Aldehydes

    Hiroaki Gotoh;Hayato Ishikawa;Yujiro Hayashi

  • Asymmetric aldol reaction of acetaldehyde and isatin derivatives for the total syntheses of ent-convolutamydine E and CPC-1 and a half fragment of madindoline A and B.

    Takahiko Itoh;Hayato Ishikawa;Yujiro Hayashi

  • Cysteine-derived organocatalyst in a highly enantioselective intramolecular Michael reaction.

    Yujiro Hayashi;Hiroaki Gotoh;Tomohiro Tamura;Hirofumi Yamaguchi

  • Diphenylprolinol Silyl Ether as a Catalyst in an Enantioselective, Catalytic, Tandem Michael/Henry Reaction for the Control of Four Stereocenters

    Yujiro Hayashi;Tsubasa Okano;Seiji Aratake;Damien Hazelard

  • A diarylprolinol in an asymmetric, catalytic, and direct crossed-aldol reaction of acetaldehyde.

    Yujiro Hayashi;Takahiko Itoh;Seiji Aratake;Hayato Ishikawa

  • Organocatalyzed Michael Addition of Aldehydes to Nitro Alkenes – Generally Accepted Mechanism Revisited and Revised

    Krystyna Patora-Komisarska;Krystyna Patora-Komisarska;Meryem Benohoud;Hayato Ishikawa;Dieter Seebach

  • Highly Diastereo‐ and Enantioselective Direct Aldol Reactions of Aldehydes and Ketones Catalyzed by Siloxyproline in the Presence of Water

    Seiji Aratake;Takahiko Itoh;Tsubasa Okano;Norio Nagae

  • Asymmetric [2 + 2] cycloaddition reaction catalyzed by a chiral titanium reagent

    Yujiro Hayashi;Koichi Narasaka

  • Asymmetric Diels–Alder Reactions of α,β‐Unsaturated Aldehydes Catalyzed by a Diarylprolinol Silyl Ether Salt in the Presence of Water

    Yujiro Hayashi;Sampak Samanta;Hiroaki Gotoh;Hayato Ishikawa

Frequent Co-Authors

Hayato Ishikawa
Hayato Ishikawa Kumamoto University
Hideaki Kakeya
Hideaki Kakeya Kyoto University
Junichiro Yamaguchi
Junichiro Yamaguchi Waseda University
Koichi Narasaka
Koichi Narasaka University of Tokyo
Hiroyuki Koshino
Hiroyuki Koshino Tokyo University of Agriculture
Teruaki Mukaiyama
Teruaki Mukaiyama Kitasato University
Ken Sakai
Ken Sakai Kyushu University
Takanori Shibata
Takanori Shibata Waseda University

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

Pursuing a degree in Chemistry can open doors to diverse career paths, many of which intertwine with fields like forensic science and criminal justice. For students interested in applying chemical principles to law enforcement, exploring forensic career paths offers a fascinating blend of science and justice. These roles require strong analytical skills and a thorough understanding of chemical analysis techniques.

One accessible route into the criminal justice field is through a 2 year criminal justice degree online. Such programs provide foundational knowledge and can be a stepping stone toward more specialized roles. Understanding the how much is criminal justice degree is essential for prospective students to plan their education budget effectively.

Additionally, those interested in legal assistance rather than full legal practice may consider obtaining a paralegal certificate. This credential can lead to rewarding careers supporting legal teams, often with relatively quick entry timelines and competitive salaries.

Exploring these related online degrees can diversify career opportunities for Chemistry graduates, blending scientific expertise with roles in justice, law, and investigation.

Best Scientists Citing Yujiro Hayashi

Trending Scientists

Recently Published Articles