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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 11251 10145 819 736 319 10093

Johann Lex publications per year

The chart shows the history of publications by Johann Lex between 1973 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Johann Lex published across 46 years, from 1973 to 2018, averaging 6.9 papers a year. Output peaked at 26 publications in 2002. 2 of the 319 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1973 to 2018. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2002. 1973: 2 publications 1974: 1 publication 1975: 2 publications 1976: 3 publications 1977: 1 publication 1978: 1 publication 1979: 3 publications 1980: 6 publications 1981: 3 publications 1982: 10 publications 1983: 5 publications 1984: 7 publications 1985: 15 publications 1986: 10 publications 1987: 18 publications 1988: 7 publications 1989: 9 publications 1990: 13 publications 1991: 13 publications 1992: 3 publications 1993: 8 publications 1994: 10 publications 1995: 5 publications 1996: 7 publications 1997: 16 publications 1998: 9 publications 1999: 10 publications 2000: 16 publications 2001: 10 publications 2002: 26 publications 2003: 11 publications 2004: 8 publications 2005: 15 publications 2006: 17 publications 2007: 7 publications 2008: 4 publications 2009: 2 publications 2010: 1 publication 2011: 0 publications 2012: 2 publications 2013: 1 publication 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 2 publications
1973 2018

319 publications in total across all disciplines

View publications per year as a table
Johann Lex: publications per year, 1973 to 2018
Year Publications
1973 2
1974 1
1975 2
1976 3
1977 1
1978 1
1979 3
1980 6
1981 3
1982 10
1983 5
1984 7
1985 15
1986 10
1987 18
1988 7
1989 9
1990 13
1991 13
1992 3
1993 8
1994 10
1995 5
1996 7
1997 16
1998 9
1999 10
2000 16
2001 10
2002 26
2003 11
2004 8
2005 15
2006 17
2007 7
2008 4
2009 2
2010 1
2011 0
2012 2
2013 1
2014 0
2015 0
2016 0
2017 0
2018 2
Total 319
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Johann Lex 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 Johann Lex 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, 301–320 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: 319 publications — 67th percentile

67% 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
301–320 764 319
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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Johann Lex 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 Johann Lex 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, 56–57 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: 57 D-Index — 39th percentile

39% 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 57
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

Johann Lex is affiliated with the University of Cologne in Germany. Their academic profile does not currently include recent papers, which suggests either a focus outside of frequent publishing or data unavailability regarding recent contributions.

There is no listed information about frequent co-authors connected to Johann Lex, which indicates that collaborative publishing details are either minimal or not provided.

Similarly, there are no records of usual publication venues for this researcher, implying that either publications appear in diverse outlets or specific venues have not been identified yet.

No book publications have been reported for Johann Lex, indicating their primary output may be centered on articles, reports, or other types of research material rather than monographs or edited volumes.

There is no available data on specific main or subfields of study related to Johann Lex. As such, the exact disciplinary focus or specialization within broader research areas remains unspecified.

Likewise, no main topics of work have been documented. This limits visibility into the thematic areas or research questions that Johann Lex commonly addresses.

No awards or recognitions have been recorded for Johann Lex in this data set.

Johann Lex is currently alive according to the available information.

Best Publications

  • Porphycene—a Novel Porphin Isomer

    Emanuel Vogel;Matthias Köcher;Hans Schmickler;Johann Lex

  • Highly Efficient Dynamic Kinetic Resolution of Azlactones by Urea‐Based Bifunctional Organocatalysts

    Albrecht Berkessel;Felix Cleemann;Santanu Mukherjee;Thomas N. Müller

  • Proline-Derived N-Sulfonylcarboxamides: Readily Available, Highly Enantioselective and Versatile Catalysts for Direct Aldol Reactions

    Albrecht Berkessel;Burkhard Koch;Johann Lex

  • Metallocorroles with Formally Tetravalent Iron

    Emanuel Vogel;Stefan Will;Andreas Schulze Tilling;Ludger Neumann

  • 2,7,12,17‐Tetrapropylporphycene—Counterpart of Octaethylporphyrin in the Porphycene Series

    Emanuel Vogel;Metin Balci;Kakumanu Pramod;Peter Koch

  • From Porphyrin Isomers to Octapyrrolic “Figure Eight” Macrocycles

    Emanuel Vogel;Martin Bröring;Jürgen Fink;Daniel Rosen

  • NICKEL AND COPPER CORROLES : WELL-KNOWN COMPLEXES IN A NEW LIGHT

    Stefan Will;Johann Lex;Emanuel Vogel;Hans Schmickler

  • Second-generation organocatalysts for the highly enantioselective dynamic kinetic resolution of azlactones

    Albrecht Berkessel;Santanu Mukherjee;Felix Cleemann;Thomas N. Müller

  • Porphycen – ein neuartiges Porphin‐Isomer

    Emanuel Vogel;Matthias Köcher;Hans Schmickler;Johann Lex

  • The Thiophene Analogue of Porphyrin: Tetrathiaporphyrin Dication

    Emanuel Vogel;Peter Röhrig;Martin Sicken;Bernd Knipp

  • "Figure Eight" Cyclooctapyrroles: Enantiomeric Separation and Determination of the Absolute Configuration of a Binuclear Metal Complex.

    Andreas Werner;Martin Michels;Lars Zander;Johann Lex

  • CORRPHYCENE : A NEW PORPHYRIN ISOMER

    Jonathan L. Sessler;Eric A. Brucker;Steven J. Weghorn;Michael Kisters

  • Synthesis, Characterization, and Electrochemistry of sigma-Bonded Cobalt Corroles in High Oxidation States.

    Stefan Will;Johann Lex;Emanuel Vogel;Victor A. Adamian

  • New Porphycene Ligands: Octaethyl‐ and Etioporphycene (OEPc and EtioPc)—Tetra‐ and Pentacoordinated Zinc Complexes of OEPc

    Emanuel Vogel;Peter Koch;Xue‐Long Hou;Johann Lex

  • Octaphyrin‐(1.0.1.0.1.0.1.0)

    Martin Bröring;Jörg Jendrny;Lars Zander;Hans Schmickler

  • Total synthesis of (-)-colchicine via a Rh-triggered cycloaddition cascade.

    Timm Graening;Virginie Bette;Jörg Neudörfl;Johann Lex

  • Structural optimization of thiourea-based bifunctional organocatalysts for the highly enantioselective dynamic kinetic resolution of azlactones.

    Albrecht Berkessel;Santanu Mukherjee;Thomas N. Müller;Felix Cleemann

  • Triterpenoids from gum mastic, the resin ofPistacia lentiscus

    Franz-Josef Marner;Antje Freyer;Johann Lex

  • Electrochemical and Spectral Characterization of Iron Corroles in High and Low Oxidation States: First Structural Characterization of an Iron(IV) Tetrapyrrole π Cation Radical

    Eric Van Caemelbecke;Stefan Will;Marie Autret;Victor A. Adamian

  • A Practical and Versatile Access to Dihydrosalen (Salalen) Ligands: Highly Enantioselective Titanium In Situ Catalysts for Asymmetric Epoxidation with Aqueous Hydrogen Peroxide

    Albrecht Berkessel;Marc Brandenburg;Eva Leitterstorf;Julia Frey

Frequent Co-Authors

Emanuel Vogel
Emanuel Vogel University of Cologne
Axel G. Griesbeck
Axel G. Griesbeck University of Cologne
Albrecht Berkessel
Albrecht Berkessel University of Cologne
Hans-Günther Schmalz
Hans-Günther Schmalz University of Cologne
Michael Oelgemöller
Michael Oelgemöller James Cook University
Rolf Gleiter
Rolf Gleiter Heidelberg University
Klaus Müllen
Klaus Müllen Max Planck Institute for Polymer Research
Kendall N. Houk
Kendall N. Houk University of California, Los Angeles
Yun-Dong Wu
Yun-Dong Wu Peking University
Maurice Gross
Maurice Gross Centre national de la recherche scientifique, CNRS

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