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Shinobu Takizawa

Shinobu Takizawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16941 15302 1335 1209 176 6396

Shinobu Takizawa publications per year

The chart shows the history of publications by Shinobu Takizawa between 1992 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shinobu Takizawa published across 35 years, from 1992 to 2026, averaging 6.5 papers a year. Output peaked at 17 publications in 2023. 19 of the 227 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1992 to 2026. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2023. 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 4 publications 1998: 7 publications 1999: 5 publications 2000: 3 publications 2001: 4 publications 2002: 2 publications 2003: 8 publications 2004: 4 publications 2005: 7 publications 2006: 8 publications 2007: 6 publications 2008: 4 publications 2009: 9 publications 2010: 9 publications 2011: 9 publications 2012: 4 publications 2013: 9 publications 2014: 7 publications 2015: 9 publications 2016: 5 publications 2017: 8 publications 2018: 5 publications 2019: 4 publications 2020: 8 publications 2021: 10 publications 2022: 16 publications 2023: 17 publications 2024: 15 publications 2025: 16 publications 2026: 3 publications
1992 2026

227 publications in total across all disciplines

View publications per year as a table
Shinobu Takizawa: publications per year, 1992 to 2026
Year Publications
1992 1
1993 0
1994 1
1995 0
1996 0
1997 4
1998 7
1999 5
2000 3
2001 4
2002 2
2003 8
2004 4
2005 7
2006 8
2007 6
2008 4
2009 9
2010 9
2011 9
2012 4
2013 9
2014 7
2015 9
2016 5
2017 8
2018 5
2019 4
2020 8
2021 10
2022 16
2023 17
2024 15
2025 16
2026 3
Total 227
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Shinobu Takizawa 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 Shinobu Takizawa 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, 161–180 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: 176 publications — 23rd percentile

23% 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 1,350 176
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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Shinobu Takizawa 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 Shinobu Takizawa 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

Shinobu Takizawa is a researcher affiliated with Osaka University in Japan, with a significant body of work in the fields of Chemistry and Materials Science. Their research primarily focuses on Organic Chemistry and Materials Chemistry, covering specialized areas such as Spectroscopy, Inorganic Chemistry, and Molecular Biology.

The scientific contributions of Takizawa include several research topics, notably:

  • Axial and Atropisomeric Chirality Synthesis
  • Catalytic C-H Functionalization Methods
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Photochromic and Fluorescence Chemistry
  • Radical Photochemical Reactions
  • Synthesis and Properties of Aromatic Compounds

Their publications have appeared frequently in venues such as The Cambridge Structural Database, Chemical Communications, Advanced Synthesis & Catalysis, Molecules, and Organic Chemistry Frontiers.

Takizawa has collaborated extensively with several co-authors, including:

  • Hiroaki Sasai
  • Mohamed S. H. Salem
  • Masaru Kondo
  • Makoto Sako
  • Md. Imrul Khalid

Selected recent papers authored or co-authored by Takizawa include:

  • "Atroposelective Synthesis of C-C Axially Chiral Compounds via Mono- and Dinuclear Vanadium Catalysis" (2022), published in Accounts of Chemical Research
  • "Remodelling molecular frameworks via atom-level surgery: recent advances in skeletal editing of (hetero)cycles" (2025), published in Organic Chemistry Frontiers
  • "Photoswitchable Chiral Phase Transfer Catalyst" (2021), published in ACS Catalysis
  • "Bayesian optimization with constraint on passed charge for multiparameter screening of electrochemical reductive carboxylation in a flow microreactor" (2022), published in Chemical Communications
  • "Energy-, time-, and labor-saving synthesis of α-ketiminophosphonates: machine-learning-assisted simultaneous multiparameter screening for electrochemical oxidation" (2021), published in Green Chemistry

Best Publications

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

    Katsuya Matsui;Shinobu Takizawa;Hiroaki Sasai

  • Efficient oxidative biaryl coupling reaction of phenol ether derivatives using hypervalent iodine(III) reagents

    Hirofumi Tohma;Hironori Morioka;Shinobu Takizawa;Mitsuhiro Arisawa

  • Facile and Clean Oxidation of Alcohols in Water Using Hypervalent Iodine(III) Reagents

    Hirofumi Tohma;Shinobu Takizawa;Tomohiro Maegawa;Yasuyuki Kita

  • 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

  • Hypervalent Iodine(V)-Induced Asymmetric Oxidation of Sulfides to Sulfoxides Mediated by Reversed Micelles: Novel Nonmetallic Catalytic System.

    Hirofumi Tohma;Shinobu Takizawa;Hiroaki Watanabe;Yuko Fukuoka

  • Dinuclear chiral vanadium catalysts for oxidative coupling of 2-naphthols via a dual activation mechanism.

    Shinobu Takizawa;Tomomi Katayama;Hiroaki Sasai

  • Total Synthesis of Chloropeptin II (Complestatin) and Chloropeptin I

    Joie Garfunkle;F. Scott Kimball;John D. Trzupek;Shinobu Takizawa

  • Metal‐Bridged Polymers as Insoluble Multicomponent Asymmetric Catalysts with High Enantiocontrol: An Approach for the Immobilization of Catalysts without Using any Support

    Shinobu Takizawa;Hidenori Somei;Doss Jayaprakash;Hiroaki Sasai

  • Dual activation in a homolytic coupling reaction promoted by an enantioselective dinuclear vanadium(IV) catalyst

    Hidenori Somei;Yasuaki Asano;Tomokazu Yoshida;Shinobu Takizawa

  • Facile and Clean Oxidation of Alcohols in Water Using Hypervalent Iodine(III) Reagents

    Hirofumi Tohma;Tomohiro Maegawa;Shinobu Takizawa;Yasuyuki Kita

  • Efficient Enantioselective Synthesis of Oxahelicenes Using Redox/Acid Cooperative Catalysts

    Makoto Sako;Yoshiki Takeuchi;Tetsuya Tsujihara;Junpei Kodera

  • Enantioselective Synthesis of Isoindolines: An Organocatalyzed Domino Process Based On the aza-Morita-Baylis-Hillman Reaction**

    Shinobu Takizawa;Naohito Inoue;Shuichi Hirata;Hiroaki Sasai

  • Development of chiral spiro ligands for metal-catalyzed asymmetric reactions

    Gan B. Bajracharya;Midori A. Arai;Priti S. Koranne;Takeyuki Suzuki

  • Aerobic oxidation of α-hydroxycarbonyls catalysed by trichlorooxyvanadium: efficient synthesis of α-dicarbonyl compounds

    Masayuki Kirihara;Yuta Ochiai;Shinobu Takizawa;Hiroki Takahata

  • Conformational lock in a Brønsted acid–Lewis base organocatalyst for the aza-Morita–Baylis–Hillman reaction

    Katsuya Matsui;Kouichi Tanaka;Atsushi Horii;Shinobu Takizawa

  • Hypervalent iodine(III) oxidation catalyzed by quaternary ammonium salt in micellar systems

    Hirofumi Tohma;Shinobu Takizawa;Hiroaki Watanabe;Yasuyuki Kita

  • Phosphine-Catalyzed β,γ-Umpolung Domino Reaction of Allenic Esters: Facile Synthesis of Tetrahydrobenzofuranones Bearing a Chiral Tetrasubstituted Stereogenic Carbon Center

    Shinobu Takizawa;Kenta Kishi;Yasushi Yoshida;Steffen Mader

  • Enantioselective intramolecular oxidative aminocarbonylation of alkenylureas catalyzed by palladium-spiro bis(isoxazoline) complexes.

    Tetsuya Tsujihara;Toshio Shinohara;Kazuhiro Takenaka;Shinobu Takizawa

  • Enantioselective Cyclization of 4-Alkenoic Acids via an Oxidative Allylic C–H Esterification

    Kazuhiro Takenaka;Mitsutoshi Akita;Yugo Tanigaki;Shinobu Takizawa

  • A Brønsted Acid and Lewis Base Organocatalyst for the Aza-Morita-Baylis-Hillman Reaction

    Katsuya Matsui;Shinobu Takizawa;Hiroaki Sasai

Frequent Co-Authors

Hiroaki Sasai
Hiroaki Sasai Osaka University
Yasuyuki Kita
Yasuyuki Kita Ritsumeikan University
Takayoshi Arai
Takayoshi Arai Chiba University
Tomohiro Maegawa
Tomohiro Maegawa Kindai University
Harald Gröger
Harald Gröger Bielefeld University
Makoto Fujita
Makoto Fujita University of Tokyo
Magnus Rueping
Magnus Rueping King Abdullah University of Science and Technology
Motoo Shiro
Motoo Shiro Nagoya Institute of Technology
Dale L. Boger
Dale L. Boger Scripps Research Institute
Takeshi Yanagida
Takeshi Yanagida University of Tokyo

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