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Takayoshi Arai

Takayoshi Arai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 54 12543 11287 943 862 183 11279

Takayoshi Arai publications per year

The chart shows the history of publications by Takayoshi Arai between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takayoshi Arai published across 58 years, from 1968 to 2025, averaging 3.4 papers a year. Output peaked at 12 publications in 1998. 6 of the 199 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 1998. 1968: 1 publication 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 1 publication 1992: 1 publication 1993: 1 publication 1994: 1 publication 1995: 3 publications 1996: 8 publications 1997: 4 publications 1998: 12 publications 1999: 3 publications 2000: 2 publications 2001: 1 publication 2002: 1 publication 2003: 9 publications 2004: 6 publications 2005: 6 publications 2006: 10 publications 2007: 12 publications 2008: 12 publications 2009: 8 publications 2010: 8 publications 2011: 4 publications 2012: 6 publications 2013: 5 publications 2014: 10 publications 2015: 9 publications 2016: 5 publications 2017: 4 publications 2018: 4 publications 2019: 9 publications 2020: 8 publications 2021: 3 publications 2022: 5 publications 2023: 8 publications 2024: 4 publications 2025: 2 publications
1968 2025

199 publications in total across all disciplines

View publications per year as a table
Takayoshi Arai: publications per year, 1968 to 2025
Year Publications
1968 1
1969 1
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 1
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 1
1992 1
1993 1
1994 1
1995 3
1996 8
1997 4
1998 12
1999 3
2000 2
2001 1
2002 1
2003 9
2004 6
2005 6
2006 10
2007 12
2008 12
2009 8
2010 8
2011 4
2012 6
2013 5
2014 10
2015 9
2016 5
2017 4
2018 4
2019 9
2020 8
2021 3
2022 5
2023 8
2024 4
2025 2
Total 199
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Takayoshi Arai 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 Takayoshi Arai 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: 183 publications — 26th percentile

26% 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 1,344 183
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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Takayoshi Arai 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 Takayoshi Arai 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, 54–55 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: 54 D-Index — 31st percentile

31% 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 54
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

Takayoshi Arai is affiliated with Chiba University in Japan and specializes primarily in the fields of Chemistry and Materials Science. Their research focuses significantly on Organic Chemistry, Materials Chemistry, Inorganic Chemistry, Molecular Biology, and Physical and Theoretical Chemistry.

The scientist's work covers a diverse range of topics, including:

  • Asymmetric Synthesis and Catalysis
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Vanadium and Halogenation Chemistry
  • Oxidative Organic Chemistry Reactions
  • Synthesis and Catalytic Reactions
  • Catalytic C-H Functionalization Methods

Takayoshi Arai has published extensively in several scientific journals with notable frequency. The main venues include:

  • The Cambridge Structural Database
  • Advanced Synthesis & Catalysis
  • Organic Letters
  • Angewandte Chemie International Edition
  • Angewandte Chemie

Some of their recent papers are as follows:

  • "A Hypervalent Cyclic Dibenzoiodolium Salt as a Halogen-Bond-Donor Catalyst for the [4+2] Cycloaddition of 2-Alkenylindoles" (2021), published in ChemPlusChem
  • "Catalytic Asymmetric Mannich-Type Reaction of Malononitrile with N-Boc α-Ketiminoesters Using Chiral Organic Base Catalyst with Halogen Bond Donor Functionality" (2020), published in Advanced Synthesis & Catalysis
  • "Non-Bonding Electron Pair versus π-Electrons in Solution Phase Halogen Bond Catalysis: Povarov Reaction of 2-Vinylindoles and Imines" (2020), published in Advanced Synthesis & Catalysis
  • "Catalytic Asymmetric Iodoesterification of Simple Alkenes" (2020), published in Angewandte Chemie International Edition
  • "Chiral C2-Symmetric Aminomethylbinaphthol as Synergistic Catalyst for Asymmetric Epoxidation of Alkylidenemalononitriles: Easy Access to Chiral Spirooxindoles" (2021), published in Organic Letters

Frequent collaborators of Takayoshi Arai include:

  • Takumi Suzuki
  • Satoru Kuwano
  • Masahiro Yamanaka
  • Eri Ogino
  • Kodai Horigane

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

  • 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

  • Chiral bis(imidazolidine)pyridine-Cu(OTf)2: catalytic asymmetric endo-selective [3 + 2] cycloaddition of imino esters with nitroalkenes.

    Takayoshi Arai;Asami Mishiro;Naota Yokoyama;Kuniko Suzuki

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

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

  • 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

  • Practical asymmetric Henry reaction catalyzed by a chiral diamine-Cu(OAc)2 complex.

    Takayoshi Arai;Masahiko Watanabe;Akira Yanagisawa

  • 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

  • PyBidine/Copper Catalyst: Asymmetric exo′-Selective [3+2] Cycloaddition using Imino Ester and Electrophilic Indole

    Atsuko Awata;Takayoshi Arai

  • 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

  • Asymmetrische Katalyse mit Hetero‐Dimetall‐Verbindungen

    Masakatsu Shibasaki;Hiroaki Sasai;Takayoshi Arai

  • Tandem Catalytic Asymmetric Friedel–Crafts/Henry Reaction: Control of Three Contiguous Acyclic Stereocenters

    Takayoshi Arai;Naota Yokoyama

  • PyBidine-Cu(OTf)2 -catalyzed asymmetric [3+2] cycloaddition with imino esters: harmony of Cu-Lewis acid and imidazolidine-NH hydrogen bonding in concerto catalysis.

    Takayoshi Arai;Hiroki Ogawa;Atsuko Awata;Makoto Sato

  • Relationship of stereochemical and skeletal diversity of small molecules to cellular measurement space.

    Young Kwon Kim;Midori A. Arai;Takayoshi Arai;Julia O. Lamenzo

  • Enantioselective synthesis of α-hydroxy phosphonates using the LaLi3tris(binaphthoxide) catalyst (LLB), prepared by an improved method

    Hiroaki Sasai;Masahiro Bougauchi;Takayoshi Arai;Masakatsu Shibasaki

  • Asymmetric syn-selective Henry reaction catalyzed by the sulfonyldiamine-CuCl-pyridine system.

    Takayoshi Arai;Ryuta Takashita;Yoko Endo;Masahiko Watanabe

  • Catalytic Asymmetric exo′‐Selective [3+2] Cycloaddition of Iminoesters with Nitroalkenes

    Takayoshi Arai;Naota Yokoyama;Asami Mishiro;Hiroyasu Sato

Frequent Co-Authors

Hiroaki Sasai
Hiroaki Sasai Osaka University
Masakatsu Shibasaki
Masakatsu Shibasaki University of Tokyo
Hirofumi Kanoh
Hirofumi Kanoh Chiba University
Shinobu Takizawa
Shinobu Takizawa Osaka University
Katsumi Kaneko
Katsumi Kaneko Shinshu University
Kentaro Yamaguchi
Kentaro Yamaguchi Tokushima Bunri University
Lin Pu
Lin Pu University of Virginia
Masami Ishibashi
Masami Ishibashi Chiba University
Motomu Kanai
Motomu Kanai University of Tokyo
John W. Regan
John W. Regan University of Arizona

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