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John G. Verkade

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 76 4333 1368 551 17326

John G. Verkade publications per year

The chart shows the history of publications by John G. Verkade between 1960 and 2020, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John G. Verkade published across 61 years, from 1960 to 2020, averaging 9.2 papers a year. Output peaked at 44 publications in 2009. 1 of the 559 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1960 to 2020. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2009. 1960: 1 publication 1961: 1 publication 1962: 4 publications 1963: 2 publications 1964: 3 publications 1965: 5 publications 1966: 3 publications 1967: 5 publications 1968: 8 publications 1969: 4 publications 1970: 16 publications 1971: 9 publications 1972: 12 publications 1973: 10 publications 1974: 3 publications 1975: 10 publications 1976: 14 publications 1977: 15 publications 1978: 5 publications 1979: 16 publications 1980: 2 publications 1981: 5 publications 1982: 5 publications 1983: 5 publications 1984: 5 publications 1985: 8 publications 1986: 17 publications 1987: 6 publications 1988: 4 publications 1989: 10 publications 1990: 17 publications 1991: 20 publications 1992: 12 publications 1993: 24 publications 1994: 16 publications 1995: 15 publications 1996: 13 publications 1997: 10 publications 1998: 12 publications 1999: 20 publications 2000: 9 publications 2001: 11 publications 2002: 12 publications 2003: 19 publications 2004: 18 publications 2005: 12 publications 2006: 10 publications 2007: 22 publications 2008: 9 publications 2009: 44 publications 2010: 9 publications 2011: 3 publications 2012: 3 publications 2013: 0 publications 2014: 3 publications 2015: 2 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 1 publication
1960 2020

559 publications in total across all disciplines

View publications per year as a table
John G. Verkade: publications per year, 1960 to 2020
Year Publications
1960 1
1961 1
1962 4
1963 2
1964 3
1965 5
1966 3
1967 5
1968 8
1969 4
1970 16
1971 9
1972 12
1973 10
1974 3
1975 10
1976 14
1977 15
1978 5
1979 16
1980 2
1981 5
1982 5
1983 5
1984 5
1985 8
1986 17
1987 6
1988 4
1989 10
1990 17
1991 20
1992 12
1993 24
1994 16
1995 15
1996 13
1997 10
1998 12
1999 20
2000 9
2001 11
2002 12
2003 19
2004 18
2005 12
2006 10
2007 22
2008 9
2009 44
2010 9
2011 3
2012 3
2013 0
2014 3
2015 2
2016 0
2017 0
2018 0
2019 0
2020 1
Total 559
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John G. Verkade 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 John G. Verkade 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, 541–560 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: 551 publications — 91st percentile

91% 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
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148 551
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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John G. Verkade 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 John G. Verkade 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, 76–77 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: 76 D-Index — 77th percentile

77% 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 76
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

  • 2010 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1966 - Fellow of Alfred P. Sloan Foundation

Overview

John G. Verkade was affiliated with Iowa State University in the United States during their academic career.

They were recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2010 and were also a Fellow of the Alfred P. Sloan Foundation, awarded in 1966.

Best Publications

  • Atranes: new examples with unexpected properties

    John G. Verkade

  • Main group atranes: chemical and structural features

    John G. Verkade

  • Room-Temperature Conversion of Soybean Oil and Poultry Fat to Biodiesel Catalyzed by Nanocrystalline Calcium Oxides

    Reddy C.R.V.;R Oshel;J G Verkade

  • Spectroscopic studies of metal-phosphorus bonding in coordination complexes

    J.G. Verkade

  • Titanium alkoxides as initiators for the controlled polymerization of lactide.

    Youngjo Kim;G K Jnaneshwara;John G Verkade

  • Ligand-, Copper-, and Amine-Free Sonogashira Reaction of Aryl Iodides and Bromides with Terminal Alkynes

    Sameer Urgaonkar;John G. Verkade

  • Highly active palladium catalysts supported by bulky proazaphosphatrane ligands for Stille cross-coupling: coupling of aryl and vinyl chlorides, room temperature coupling of aryl bromides, coupling of aryl triflates, and synthesis of sterically hindered biaryls.

    Weiping Su;Sameer Urgaonkar;Patrick A. Mclaughlin;John G. Verkade

  • pKa measurements of P(RNCH2CH3)3N

    Philip B. Kisanga;John G. Verkade;Reinhard Schwesinger

  • A General Method for the Direct α‐Arylation of Nitriles with Aryl Chlorides

    Jingsong You;John G. Verkade

  • Novel Titanatranes with Different Ring Sizes: Syntheses, Structures, and Lactide Polymerization Catalytic Capabilities

    Youngjo Kim;John G. Verkade

  • Application of a new bicyclic triaminophosphine ligand in Pd-catalyzed Buchwald-Hartwig amination reactions of aryl chlorides, bromides, and iodides.

    Sameer Urgaonkar;Ju-Hua Xu;John G Verkade

  • Proazaphosphatranes: a synthesis methodology trip from their discovery to vitamin A

    John G. Verkade;Philip B. Kisanga

  • The unusually robust phosphorus-hydrogen bond in the novel cation [cyclic] HP(NMeCH2CH2)3N+

    C. Lensink;S. K. Xi;L. M. Daniels;John G. Verkade

  • Phase-vanishing methodology for efficient bromination, alkylation, epoxidation, and oxidation reactions of organic substrates.

    Nirmal K. Jana and;John G. Verkade

  • (t-Bu)2PN=P(i-BuNCH2CH2)3N : New Efficient Ligand for Palladium-Catalyzed C-N Couplings of Aryl and Heteroaryl Bromides and Chlorides and for Vinyl Bromides at Room Temperature

    Ch. Venkat Reddy;Jesudoss V. Kingston;John G. Verkade

  • P(i-BuNCH2CH2)3N: An Efficient Ligand for the Direct α-Arylation of Nitriles with Aryl Bromides

    Jingsong You;John G. Verkade

  • Monomeric and dimeric titanatranes

    W. M. P. B. Menge;J. G. Verkade

  • Selective and Efficient Syntheses of Perhydro-1,3,5-triazine-2,4,6-triones and Carbodiimides from Isocyanates Using ZP(MeNCH2CH2)3N Catalysts

    Jiansheng Tang;Thyagarajan Mohan;John G. Verkade

  • Synthesis of new exceedingly strong non-ionic bases : RN=P(MeNCH2CH2)3N

    Jiansheng Tang;Joel Dopke;John G. Verkade

  • P(RNCH2CH2)3N: An Efficient Promoter for the Nitroaldol (Henry) Reaction

    Philip B. Kisanga;John G. Verkade

Frequent Co-Authors

Lee M. Daniels
Lee M. Daniels Texas A&M University
Zhengkun Yu
Zhengkun Yu Chinese Academy of Sciences
Alan H. Cowley
Alan H. Cowley The University of Texas at Austin
Jingsong You
Jingsong You Sichuan University
Ilia A. Guzei
Ilia A. Guzei University of Wisconsin–Madison
Tong Wang
Tong Wang University of Tennessee at Knoxville
John F. Hartwig
John F. Hartwig University of California, Berkeley
Mufit Akinc
Mufit Akinc Iowa State University
Kazunari Taira
Kazunari Taira University of Tokyo
Ute Baumeister
Ute Baumeister Martin Luther University Halle-Wittenberg

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Best Scientists Citing John G. Verkade

Jean-Pierre Dutasta

Jean-Pierre Dutasta

École Normale Supérieure de Lyon

Publications: 25

Matthew D. Jones

Matthew D. Jones

Neuroscience Research Australia

Publications: 21

Matthew G. Davidson

Matthew G. Davidson

University of Bath

Publications: 20

Gerard Parkin

Gerard Parkin

Columbia University

Publications: 19

Armando J. L. Pombeiro

Armando J. L. Pombeiro

Instituto Superior Técnico

Publications: 18

Peter G. Jones

Peter G. Jones

Technische Universität Braunschweig

Publications: 18

Xinmiao Liang

Xinmiao Liang

Chinese Academy of Sciences

Publications: 16

Judith A. K. Howard

Judith A. K. Howard

Durham University

Publications: 15

Mary F. Mahon

Mary F. Mahon

University of Bath

Publications: 15

Kamran T. Mahmudov

Kamran T. Mahmudov

Instituto Superior Técnico

Publications: 15

Lutz H. Gade

Lutz H. Gade

Heidelberg University

Publications: 15

Klaus Jurkschat

Klaus Jurkschat

TU Dortmund University

Publications: 15

Masakatsu Shibasaki

Masakatsu Shibasaki

University of Tokyo

Publications: 15

M. Fátima C. Guedes da Silva

M. Fátima C. Guedes da Silva

Instituto Superior Técnico

Publications: 15

John E. Casida

John E. Casida

University of California, Berkeley

Publications: 14

Arthur J. Ragauskas

Arthur J. Ragauskas

University of Tennessee at Knoxville

Publications: 14

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