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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 79 3675 3332 210 196 425 19718

Ilhyong Ryu publications per year

The chart shows the history of publications by Ilhyong Ryu between 1959 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ilhyong Ryu published across 67 years, from 1959 to 2025, averaging 6.6 papers a year. Output peaked at 19 publications in 2010. 12 of the 440 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1959 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2010. 1959: 1 publication 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 1 publication 1975: 0 publications 1976: 1 publication 1977: 5 publications 1978: 8 publications 1979: 0 publications 1980: 2 publications 1981: 1 publication 1982: 0 publications 1983: 2 publications 1984: 3 publications 1985: 1 publication 1986: 1 publication 1987: 4 publications 1988: 6 publications 1989: 5 publications 1990: 13 publications 1991: 11 publications 1992: 11 publications 1993: 7 publications 1994: 13 publications 1995: 4 publications 1996: 9 publications 1997: 9 publications 1998: 13 publications 1999: 8 publications 2000: 10 publications 2001: 4 publications 2002: 15 publications 2003: 5 publications 2004: 10 publications 2005: 17 publications 2006: 18 publications 2007: 13 publications 2008: 13 publications 2009: 9 publications 2010: 19 publications 2011: 16 publications 2012: 15 publications 2013: 18 publications 2014: 16 publications 2015: 10 publications 2016: 8 publications 2017: 17 publications 2018: 10 publications 2019: 9 publications 2020: 7 publications 2021: 12 publications 2022: 12 publications 2023: 6 publications 2024: 6 publications 2025: 6 publications
1959 2025

440 publications in total across all disciplines

View publications per year as a table
Ilhyong Ryu: publications per year, 1959 to 2025
Year Publications
1959 1
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 1
1975 0
1976 1
1977 5
1978 8
1979 0
1980 2
1981 1
1982 0
1983 2
1984 3
1985 1
1986 1
1987 4
1988 6
1989 5
1990 13
1991 11
1992 11
1993 7
1994 13
1995 4
1996 9
1997 9
1998 13
1999 8
2000 10
2001 4
2002 15
2003 5
2004 10
2005 17
2006 18
2007 13
2008 13
2009 9
2010 19
2011 16
2012 15
2013 18
2014 16
2015 10
2016 8
2017 17
2018 10
2019 9
2020 7
2021 12
2022 12
2023 6
2024 6
2025 6
Total 440
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Ilhyong Ryu 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 Ilhyong Ryu 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, 421–440 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: 425 publications — 83rd percentile

83% 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
421–440 327 425
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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Ilhyong Ryu 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 Ilhyong Ryu 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, 78–79 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: 79 D-Index — 80th percentile

80% 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
74–75 501
76–77 437
78–79 388 79
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

Ilhyong Ryu is a researcher affiliated with Osaka Metropolitan University in Japan. Their scholarly work primarily centers on the field of Chemistry, with a strong focus on Organic Chemistry as reflected in the majority of their publications.

The scope of Ryu's research includes several specialized areas such as Radical Photochemical Reactions, Catalytic C-H Functionalization Methods, and Sulfur-Based Synthesis Techniques. Additionally, their work extends to Innovative Microfluidic and Catalytic Techniques Innovation, Oxidative Organic Chemistry Reactions, Asymmetric Hydrogenation and Catalysis, and Catalytic Cross-Coupling Reactions.

Frequent collaborators contribute to their research output, highlighting a network of scientific partnership. Key coauthors include Takahide Fukuyama, Yen-Ku Wu, Mamoru Hyodo, Takayoshi Kasakado, and Baptiste Picard.

Ryu's recent publications, illustrating current research interests and contributions, include:

  • Synthesis of Aliphatic Amides through a Photoredox Catalyzed Radical Carbonylation Involving Organosilicates as Alkyl Radical Precursors, 2020, Advanced Synthesis & Catalysis
  • Site-Selective Alkenylation of Unactivated C(sp3)−H Bonds Mediated by Compact Sulfate Radical, 2020, Angewandte Chemie International Edition
  • Site-Selective C(sp3)-H Alkenylation Using Decatungstate Anion as Photocatalyst, 2022, Advanced Synthesis & Catalysis
  • Syntheses of Diarylethenes by Perylene-catalyzed Photodesulfonylation from Ethenyl Sulfones, 2020, Chemistry Letters
  • Improved efficiency of photo-induced synthetic reactions enabled by advanced photo flow technologies, 2022, Photochemical & Photobiological Sciences

Their work is frequently published in peer-reviewed scientific journals that specialize in organic synthesis and catalysis. Notable frequent publication venues for Ryu include:

  • Advanced Synthesis & Catalysis
  • Synthesis
  • Helvetica Chimica Acta
  • Angewandte Chemie International Edition
  • Chemical Communications

The research themes show a consistent engagement with organic synthesis techniques and photo-induced catalytic processes, underlying a methodical approach toward developing and optimizing chemical transformations. This profile illustrates a sustained contribution to the advancement of methods in Chemistry, especially in photochemical and catalytic organic reaction pathways.

Best Publications

  • Chemistry of Acyl Radicals

    Chryssostomos Chatgilialoglu;David Crich;Mitsuo Komatsu;Ilhyong Ryu

  • Carbonylation Reactions of Alkyl Iodides through the Interplay of Carbon Radicals and Pd Catalysts

    Shuhei Sumino;Akira Fusano;Takahide Fukuyama;Ilhyong Ryu

  • Tandem Radical Reactions of Carbon Monoxide, Isonitriles, and Other Reagent Equivalents of the Geminal Radical Acceptor/Radical Precursor Synthon.

    Ilhyong Ryu;Noboru Sonoda;Dennis P. Curran

  • A copper-free Sonogashira coupling reaction in ionic liquids and its application to a microflow system for efficient catalyst recycling.

    Takahide Fukuyama;Masutaka Shinmen;Satoshi Nishitani;Masaaki Sato

  • Site-Selective C–H Functionalization by Decatungstate Anion Photocatalysis: Synergistic Control by Polar and Steric Effects Expands the Reaction Scope

    Davide Ravelli;Maurizio Fagnoni;Takahide Fukuyama;Tomohiro Nishikawa

  • Free‐Radical Carbonylations: Then and Now

    Ilhyong Ryu;Noboru Sonoda

  • Palladium-Catalyzed Addition and Carbonylative Addition of Diaryl Disulfides and Diselenides to Terminal Acetylenes

    Hitoshi Kuniyasu;Akiya Ogawa;Shin Ichiro Miyazaki;Ilhyong Ryu

  • The first example of transition-metal-catalyzed addition of aromatic thiols to acetylenes

    Hitoshi Kuniyasu;Akiya Ogawa;Ken Ichiro Sato;Ilhyong Ryu

  • Radical carboxylations of iodoalkanes and saturated alcohols using carbon monoxide

    Ilhyong Ryu

  • Low pressure Pd-catalyzed carbonylation in an ionic liquid using a multiphase microflow system

    Md. Taifur Rahman;Takahide Fukuyama;Naoya Kamata;Masaaki Sato

  • Iodine-catalyzed aziridination of alkenes using Chloramine-T as a nitrogen source

    Takeya Ando;Daisuke Kano;Satoshi Minakata;Ilhyong Ryu

  • Atom-Economical Synthesis of Unsymmetrical Ketones through Photocatalyzed CH Activation of Alkanes and Coupling with CO and Electrophilic Alkenes†

    Ilhyong Ryu;Akihiro Tani;Takahide Fukuyama;Davide Ravelli

  • Ruthenium hydride-catalyzed addition of aldehydes to dienes leading to β,γ-unsaturated ketones

    Sohei Omura;Takahide Fukuyama;Jiro Horiguchi;Yuji Murakami

  • Radicals Masquerading as Electrophiles: Dual Orbital Effects in Nitrogen-Philic Acyl Radical Cyclization and Related Addition Reactions

    Carl H Schiesser;Uta Wille;Hiroshi Matsubara;Ilhyong Ryu

  • Alkyne Carbonylation by Radicals: Tin‐Radical‐Catalyzed Synthesis of α‐Methylene Amides from 1‐Alkynes, Carbon Monoxide, and Amines

    Yoshitaka Uenoyama;Takahide Fukuyama;Osamu Nobuta;Hiroshi Matsubara

  • Modernized low pressure carbonylation methods in batch and flow employing common acids as a CO source.

    Célia Brancour;Takahide Fukuyama;Yu Mukai;Troels Skrydstrup

  • Efficient C–H/C–N and C–H/C–CO–N Conversion via Decatungstate-Photoinduced Alkylation of Diisopropyl Azodicarboxylate

    Ilhyong Ryu;Akihiro Tani;Takahide Fukuyama;Davide Ravelli

  • RuHCl(CO)(PPh3)3-catalyzed α-alkylation of ketones with primary alcohols.

    Takashi Kuwahara;Takahide Fukuyama;Ilhyong Ryu

  • Novel Asymmetric and Stereospecific Aziridination of Alkenes with a Chiral Nitridomanganese Complex.

    Satoshi Minakata;Takeya Ando;Masaaki Nishimura;Ilhyong Ryu

  • Carbonylation in microflow: close encounters of CO and reactive species

    Takahide Fukuyama;Takenori Totoki;Ilhyong Ryu

  • Nitrogen atom transfer to alkenes utilizing Chloramine-T as a nitrogen source

    Takeya Ando;Satoshi Minakata;Ilhyong Ryu;Mitsuo Komatsu

Frequent Co-Authors

Takahide Fukuyama
Takahide Fukuyama Osaka Metropolitan University
Noboru Sonoda
Noboru Sonoda Kansai University
Hiroshi Matsubara
Hiroshi Matsubara Osaka Metropolitan University
Satoshi Minakata
Satoshi Minakata Osaka University
Nobuaki Kambe
Nobuaki Kambe Osaka University
Shinji Murai
Shinji Murai Osaka University
Davide Ravelli
Davide Ravelli University of Pavia
Maurizio Fagnoni
Maurizio Fagnoni University of Pavia
Dennis P. Curran
Dennis P. Curran University of Pittsburgh
Hiroyuki Nakamura
Hiroyuki Nakamura Tokyo Institute of Technology

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