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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16925 15287 4179 3432 145 6564

James L. Leighton publications per year

The chart shows the history of publications by James L. Leighton between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. James L. Leighton published across 34 years, from 1992 to 2025, averaging 4.4 papers a year. Output peaked at 28 publications in 2011. 3 of the 150 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2011. 1992: 4 publications 1993: 4 publications 1994: 3 publications 1995: 1 publication 1996: 4 publications 1997: 2 publications 1998: 2 publications 1999: 1 publication 2000: 7 publications 2001: 4 publications 2002: 4 publications 2003: 8 publications 2004: 4 publications 2005: 10 publications 2006: 6 publications 2007: 7 publications 2008: 6 publications 2009: 3 publications 2010: 9 publications 2011: 28 publications 2012: 8 publications 2013: 7 publications 2014: 3 publications 2015: 3 publications 2016: 3 publications 2017: 4 publications 2018: 1 publication 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 1 publication 2023: 0 publications 2024: 2 publications 2025: 1 publication
1992 2025

150 publications in total across all disciplines

View publications per year as a table
James L. Leighton: publications per year, 1992 to 2025
Year Publications
1992 4
1993 4
1994 3
1995 1
1996 4
1997 2
1998 2
1999 1
2000 7
2001 4
2002 4
2003 8
2004 4
2005 10
2006 6
2007 7
2008 6
2009 3
2010 9
2011 28
2012 8
2013 7
2014 3
2015 3
2016 3
2017 4
2018 1
2019 0
2020 0
2021 0
2022 1
2023 0
2024 2
2025 1
Total 150
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James L. Leighton 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 James L. Leighton 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, 141–160 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: 145 publications — 12th percentile

12% 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 1,218 145
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
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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James L. Leighton 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 James L. Leighton 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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Research.com Recognitions

  • 2005 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2000 - Fellow of Alfred P. Sloan Foundation

Overview

James L. Leighton is affiliated with Columbia University in the United States. Their research is primarily situated in the field of Medicine, with a particular focus on Surgery, Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine, Pediatrics, Perinatology and Child Health, and Genetics.

The main topics of their work include:

  • Cardiac, Anesthesia and Surgical Outcomes
  • Kidney Stones and Urolithiasis Treatments
  • Pediatric Urology and Nephrology Studies
  • Acute Kidney Injury Research
  • Esophageal and GI Pathology
  • Appendicitis Diagnosis and Management
  • Pancreatic and Hepatic Oncology Research

Recent publication venues where James L. Leighton's research has appeared encompass:

  • Annals of Surgery
  • World Journal of Urology
  • Langenbeck s Archives of Surgery
  • Surgery (Oxford)
  • Journal of Clinical Nephrology

Frequent collaborators in their work include Angus Luk, Arran Dingwall, Bhaskar Somani, Robert Geraghty, and Conor Murphy.

Selected recent papers authored or coauthored by James L. Leighton are:

  • Effect of infundibulopelvic angle on outcomes of ureteroscopy: a systematic review and meta-analysis, 2024, World Journal of Urology
  • Modern immunosuppression, 2020, Surgery (Oxford)
  • Acute Kidney Injury After Esophageal Cancer Surgery, 2020, Annals of Surgery
  • A scoring system for predicting malignancy in intraductal papillary mucinous neoplasms of the pancreas: a multicenter EUROPEAN validation, 2022, Langenbeck s Archives of Surgery
  • Membranous nephropathy complicating relapsing polychondritis: A case report, 2021, Journal of Clinical Nephrology

James L. Leighton was recognized with the status of Fellow of the American Association for the Advancement of Science (AAAS) in 2005 and was named a Fellow of the Alfred P. Sloan Foundation in 2000.

Best Publications

  • Highly Enantioselective Ring Opening of Epoxides Catalyzed by (salen)Cr(III) Complexes

    Luis E. Martinez;James L. Leighton;Douglas H. Carsten;Eric N. Jacobsen

  • Total synthesis of (+)-calyculin A

    David A. Evans;James R. Gage;James L. Leighton

  • Total Synthesis of Leucascandrolide A

    Keith R. Hornberger;and Christopher L. Hamblett;James L. Leighton

  • Strained silacycles in organic synthesis: a new reagent for the enantioselective allylation of aldehydes.

    James W A Kinnaird;Pui Yee Ng;Katsumi Kubota;Xiaolun Wang

  • A highly practical and enantioselective reagent for the allylation of aldehydes.

    Katsumi Kubota;James L. Leighton

  • Catalytic Asymmetric Silane Alcoholysis: Practical Access to Chiral Silanes

    Darby R. Schmidt;Steven J. O'malley;James L. Leighton

  • Orally active, nonpeptide oxytocin antagonists.

    B E Evans;J L Leighton;K E Rittle;K F Gilbert

  • Enantioselective allylation of ketone-derived benzoylhydrazones: practical synthesis of tertiary carbinamines.

    Richard Berger;Keiko Duff;James L. Leighton

  • Toward a versatile allylation reagent: practical, enantioselective allylation of acylhydrazones using strained silacycles.

    Richard Berger;Philippe M. A. Rabbat;James L. Leighton

  • Efficient Synthesis of (R)-4-((Trimethylsilyl)oxy)-2-cyclopentenone by Enantioselective Catalytic Epoxide Ring Opening

    James L. Leighton;Eric N. Jacobsen

  • A more comprehensive and highly practical solution to enantioselective aldehyde crotylation.

    Hyunwoo Kim;Stephen Ho;James L. Leighton

  • Silane and Germane Molecular Electronics.

    Timothy A. Su;Haixing Li;Rebekka S. Klausen;Nathaniel T. Kim

  • Asymmetric Synthesis of the Squalene Synthase Inhibitor Zaragozic Acid C

    David A. Evans;James C. Barrow;James L. Leighton;Albert J. Robichaud

  • Asymmetric synthesis of calyculin A. 2. The C26-C37 .gamma.-amino acid fragments

    David A. Evans;James R. Gage;James L. Leighton;Annette S. Kim

  • A simple and general chiral silicon Lewis acid for asymmetric synthesis: highly enantioselective [3+2] acylhydrazone-enol ether cycloadditions.

    Seiji Shirakawa;Pamela J. Lombardi;James L. Leighton

  • Highly Diastereo- and Enantioselective Reagents for Aldehyde Crotylation

    Blaine M. Hackman;Pamela J. Lombardi;James L. Leighton

  • Highly Enantioselective Pictet–Spengler Reactions with α-Ketoamide-Derived Ketimines: Access to an Unusual Class of Quaternary α-Amino Amides†

    Farhan R. Bou-Hamdan;James L. Leighton

  • Stereoselective ring opening reactions

    Eric N. łApartment Boston Jacobsen;James L. New York Leighton;Luis E. Fremont Martinez

  • Enantioselective friedel-crafts alkylations with benzoylhydrazones promoted by a simple strained silacycle reagent.

    Seiji Shirakawa;Richard Berger;James L. Leighton

  • Highly Practical and Enantioselective Cu-Catalyzed Conjugate Addition of Alkylzinc Reagents to Cyclic Enones at Ambient Temperature

    Isaac J. Krauss;James L. Leighton

Frequent Co-Authors

Eric N. Jacobsen
Eric N. Jacobsen Harvard University
David A. Evans
David A. Evans Harvard University
Michael L. Steigerwald
Michael L. Steigerwald Columbia University
Seiji Shirakawa
Seiji Shirakawa Nagasaki University
Latha Venkataraman
Latha Venkataraman Columbia University
Colin Nuckolls
Colin Nuckolls Columbia University
John D. Huber
John D. Huber Columbia University
Miguel Yus
Miguel Yus University of Alicante
Diego J. Ramón
Diego J. Ramón University of Alicante
Takeshi Ohkuma
Takeshi Ohkuma Hokkaido University

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