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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 47 15496 13972 129 123 250 10735

Carlos A.M. Fraga publications per year

The chart shows the history of publications by Carlos A.M. Fraga between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Carlos A.M. Fraga published across 34 years, from 1992 to 2025, averaging 9.2 papers a year. Output peaked at 21 publications in 2018. 18 of the 312 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2018. 1992: 1 publication 1993: 1 publication 1994: 2 publications 1995: 3 publications 1996: 7 publications 1997: 4 publications 1998: 10 publications 1999: 11 publications 2000: 8 publications 2001: 6 publications 2002: 12 publications 2003: 7 publications 2004: 8 publications 2005: 12 publications 2006: 7 publications 2007: 7 publications 2008: 12 publications 2009: 14 publications 2010: 19 publications 2011: 12 publications 2012: 16 publications 2013: 14 publications 2014: 12 publications 2015: 10 publications 2016: 10 publications 2017: 5 publications 2018: 21 publications 2019: 11 publications 2020: 13 publications 2021: 3 publications 2022: 9 publications 2023: 7 publications 2024: 8 publications 2025: 10 publications
1992 2025

312 publications in total across all disciplines

View publications per year as a table
Carlos A.M. Fraga: publications per year, 1992 to 2025
Year Publications
1992 1
1993 1
1994 2
1995 3
1996 7
1997 4
1998 10
1999 11
2000 8
2001 6
2002 12
2003 7
2004 8
2005 12
2006 7
2007 7
2008 12
2009 14
2010 19
2011 12
2012 16
2013 14
2014 12
2015 10
2016 10
2017 5
2018 21
2019 11
2020 13
2021 3
2022 9
2023 7
2024 8
2025 10
Total 312
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Carlos A.M. Fraga publications per year - data summary

  • Carlos A.M. Fraga, a Chemistry scholar from Federal University of Rio de Janeiro, has 312 publications recorded across 34 years, from 1992 to 2025.
  • The oldest publication on record dates to 1992 and the most recent to 2025.
  • The most productive year is 2018, with 21 publications.
  • The least productive years with any output are 1992 and 1993, with 1 publication each.
  • The rate of publication averages 9.2 papers per year over the whole span, or 9.2 per year counting only the 34 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 37 publications, 12% of the career total.
  • Split into equal eras - 1992-2003: 72 publications (6.0 per year); 2004-2015: 143 publications (11.9 per year); 2016-2025: 97 publications (9.7 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Carlos A.M. Fraga 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 Carlos A.M. Fraga 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, 241–260 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: 250 publications — 49th percentile

49% 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 1,100 250
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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Carlos A.M. Fraga publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Carlos A.M. Fraga, a Chemistry scholar from Federal University of Rio de Janeiro, records 250 publications - the 49th percentile of the discipline.
  • 49% of ranked Chemistry scientists score the same or lower than Carlos A.M. Fraga, and about 51% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Carlos A.M. Fraga falls inside that same range.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Carlos A.M. Fraga 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 Carlos A.M. Fraga 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, 46–47 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: 47 D-Index — 14th percentile

14% 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 47
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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Carlos A.M. Fraga D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Carlos A.M. Fraga, a Chemistry scholar from Federal University of Rio de Janeiro, records 47 D-Index - the 14th percentile of the discipline.
  • 14% of ranked Chemistry scientists score the same or lower than Carlos A.M. Fraga, and about 86% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Carlos A.M. Fraga ranks below the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Carlos A.M. Fraga is affiliated with the Federal University of Rio de Janeiro in Brazil. Their research predominantly intersects the domains of Biochemistry, Genetics and Molecular Biology, with a significant focus on Medicine. Their work spans several subfields, notably Molecular Biology, Organic Chemistry, Oncology, Pharmacology, and Physiology.

Their scientific contributions manifest extensively in topics such as Histone Deacetylase Inhibitors Research, Computational Drug Discovery Methods, Cholinesterase and Neurodegenerative Diseases, Peptidase Inhibition and Analysis, Melanoma and MAPK Pathways, and Synthesis and Biological Evaluation.

Frequent publication venues for Carlos A.M. Fraga include:

  • Pharmaceuticals
  • Circulation Research
  • ACS Omega
  • Preprints.org
  • SSRN Electronic Journal

Notable recent papers authored or co-authored by Carlos A.M. Fraga include:

  • "Imidazole: Synthesis, Functionalization and Physicochemical Properties of a Privileged Structure in Medicinal Chemistry," 2023, published in Molecules
  • "Molecular hybridization: a powerful tool for multitarget drug discovery," 2024, published in Expert Opinion on Drug Discovery
  • "The Magic Methyl and Its Tricks in Drug Discovery and Development," 2023, published in Pharmaceuticals
  • "Histone deacetylases as targets for the treatment of neurodegenerative disorders: Challenges and future opportunities," 2020, published in Medicinal Research Reviews
  • "Design, Synthesis, and Pharmacological Evaluation of First-in-Class Multitarget N-Acylhydrazone Derivatives as Selective HDAC6/8 and PI3Kα Inhibitors," 2020, published in ChemMedChem

Collaborations form a regular part of their research activities, with frequent co-authors including:

  • Pedro de Sena Murteira Pinheiro
  • Daniel Alencar Rodrigues
  • Lí dia Moreira Lima
  • Tadeu L. Montagnoli
  • Carlos Maurício R. Sant'Anna

Best Publications

  • Molecular hybridization: A useful tool in the design of new drug prototypes

    Claudio Viegas-Junior;Amanda Danuello;Vanderlan da Silva Bolzani;Eliezer J. Barreiro

  • The methylation effect in medicinal chemistry.

    Eliezer J. Barreiro;Arthur E. Kümmerle;Carlos A. M. Fraga

  • From nature to drug discovery: the indole scaffold as a 'privileged structure'.

    Fernando Rodrigues de Sa Alves;Eliezer J. Barreiro;Carlos Alberto Manssour Fraga

  • Privileged structures: a useful concept for the rational design of new lead drug candidates.

    Carolina D. Duarte;Eliezer J. Barreiro;Carlos A.M. Fraga

  • Synthesis and analgesic activity of novel N-acylarylhydrazones and isosters, derived from natural safrole.

    P. C. Lima;L. M. Lima;K. C. M. Da Silva;P. H. O. Leda

  • Synthesis and anti-inflammatory activity of phthalimide derivatives, designed as new thalidomide analogues.

    Lı́dia M Lima;Paulo Castro;Alexandre L Machado;Carlos Alberto M Fraga

  • Antiplatelet properties of novel N-substituted-phenyl-1,2,3-triazole-4-acylhydrazone derivatives.

    Anna C. Cunha;Juliana M. Figueiredo;Jorge L.M. Tributino;Ana L.P. Miranda

  • Discovery of novel analgesic and anti-inflammatory 3-arylamine-imidazo[1,2-a]pyridine symbiotic prototypes.

    Renata B. Lacerda;Cleverton K.F. de Lima;Leandro L. da Silva;Nelilma C. Romeiro

  • N-Acylhydrazones as drugs.

    Sreekanth Thota;Sreekanth Thota;Daniel A. Rodrigues;Pedro de Sena Murteira Pinheiro;Lídia M. Lima

  • New class of potent antinociceptive and antiplatelet 10H-phenothiazine-1-acylhydrazone derivatives

    Gildásio A. Silva;Luciana M.M. Costa;Fernanda C.F. Brito;Ana L.P. Miranda

  • Produtos naturais como candidatos a fármacos úteis no tratamento do Mal de Alzheimer

    Cláudio Viegas Junior;Vanderlan da Silva Bolzani;Maysa Furlan;Carlos Alberto Manssour Fraga

  • Design, synthesis, and pharmacological evaluation of N-acylhydrazones and novel conformationally constrained compounds as selective and potent orally active phosphodiesterase-4 inhibitors.

    Arthur E Kümmerle;Martine Schmitt;Suzana V S Cardozo;Suzana V S Cardozo;Claire Lugnier

  • Synthesis and vasodilatory activity of new N-acylhydrazone derivatives, designed as LASSBio-294 analogues

    Alexandre G. Silva;Gisele Zapata-Sudo;Arthur E. Kummerle;Carlos A.M. Fraga

  • Design, Synthesis, and Pharmacological Profile of Novel Fused Pyrazolo[4,3-d]pyridine and Pyrazolo[3,4-b][1,8]naphthyridine Isosteres: A New Class of Potent and Selective Acetylcholinesterase Inhibitors

    Eliezer J Barreiro;Celso A Camara;Hugo Verli;Leonora Brazil-Más

  • Medicinal chemistry of N-acylhydrazones: new lead-compounds of analgesic, antiinflammatory and antithrombotic drugs.

    Carlos A. M. Fraga;Eliezer J. Barreiro

  • The role of natural products in the discovery of new drug candidates for the treatment of neurodegenerative disorders II: Alzheimer's disease.

    Miguel Divino da Rocha;Flavia Pereira Dias Viegas;Helineide Cristina Campos;Patricia Carolina Nicastro

  • Characterization of amide bond conformers for a novel heterocyclic template of N-acylhydrazone derivatives.

    Alexandra Basilio Lopes;Eduardo Miguez;Arthur Eugen Kümmerle;Victor Marcos Rumjanek

  • Design, Synthesis, and Pharmacological Evaluation of Novel N-Acylhydrazone Derivatives as Potent Histone Deacetylase 6/8 Dual Inhibitors

    Daniel A. Rodrigues;Guilherme À. Ferreira-Silva;Ana C. S. Ferreira;Renan A. Fernandes

  • Design, synthesis and pharmacological profile of novel dopamine D2 receptor ligands.

    Ricardo Menegatti;Anna C Cunha;Vı́tor F Ferreira;Edna F.R Perreira

  • Design and synthesis of 3,4-methylenedioxy-6-nitrophenoxyacetylhydrazone derivatives obtained from natural safrole: new lead-agents with analgesic and antipyretic properties.

    Heleno J.C. Bezerra-Netto;Daniel I. Lacerda;Ana Luisa P. Miranda;Hélio M. Alves

  • Synthesis and antitrypanosomal profile of new functionalized 1,3,4-thiadiazole-2-arylhydrazone derivatives, designed as non-mutagenic megazol analogues.

    Samir A. Carvalho;Edson F. da Silva;Ricardo M. Santa-Rita;Ricardo M. Santa-Rita;Solange L. de Castro;Solange L. de Castro

Frequent Co-Authors

Eliezer J. Barreiro
Eliezer J. Barreiro Federal University of Rio de Janeiro
Solange L. de Castro
Solange L. de Castro Oswaldo Cruz Foundation
Vanderlan da Silva Bolzani
Vanderlan da Silva Bolzani Sao Paulo State University
Edson X. Albuquerque
Edson X. Albuquerque University of Maryland, Baltimore
Edward R. T. Tiekink
Edward R. T. Tiekink Sunway University
Etelvino J. H. Bechara
Etelvino J. H. Bechara Universidade de São Paulo
Russolina B. Zingali
Russolina B. Zingali Federal University of Rio de Janeiro
Reto Brun
Reto Brun University of Basel
Daniel Rauh
Daniel Rauh TU Dortmund University
Christian Becker
Christian Becker University of Cologne

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