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Derek A. Tocher

Derek A. Tocher

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D-Index & Metrics

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Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 51 13899 12511 781 694 450 9827

Derek A. Tocher publications per year

The chart shows the history of publications by Derek A. Tocher between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Derek A. Tocher published across 45 years, from 1981 to 2025, averaging 16.9 papers a year. Output peaked at 61 publications in 2005. 2 of the 761 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 61. Peak 61 publications in 2005. 1981: 1 publication 1982: 5 publications 1983: 5 publications 1984: 13 publications 1985: 18 publications 1986: 7 publications 1987: 3 publications 1988: 6 publications 1989: 9 publications 1990: 17 publications 1991: 22 publications 1992: 20 publications 1993: 14 publications 1994: 13 publications 1995: 13 publications 1996: 6 publications 1997: 6 publications 1998: 8 publications 1999: 7 publications 2000: 16 publications 2001: 10 publications 2002: 7 publications 2003: 24 publications 2004: 38 publications 2005: 61 publications 2006: 46 publications 2007: 30 publications 2008: 36 publications 2009: 21 publications 2010: 8 publications 2011: 11 publications 2012: 4 publications 2013: 13 publications 2014: 23 publications 2015: 30 publications 2016: 41 publications 2017: 26 publications 2018: 49 publications 2019: 18 publications 2020: 24 publications 2021: 14 publications 2022: 1 publication 2023: 15 publications 2024: 0 publications 2025: 2 publications
1981 2025

761 publications in total across all disciplines

View publications per year as a table
Derek A. Tocher: publications per year, 1981 to 2025
Year Publications
1981 1
1982 5
1983 5
1984 13
1985 18
1986 7
1987 3
1988 6
1989 9
1990 17
1991 22
1992 20
1993 14
1994 13
1995 13
1996 6
1997 6
1998 8
1999 7
2000 16
2001 10
2002 7
2003 24
2004 38
2005 61
2006 46
2007 30
2008 36
2009 21
2010 8
2011 11
2012 4
2013 13
2014 23
2015 30
2016 41
2017 26
2018 49
2019 18
2020 24
2021 14
2022 1
2023 15
2024 0
2025 2
Total 761
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Derek A. Tocher publications per year - data summary

  • Derek A. Tocher, a Chemistry scholar from University College London, has 761 publications recorded across 45 years, from 1981 to 2025.
  • The oldest publication on record dates to 1981 and the most recent to 2025.
  • The most productive year is 2005, with 61 publications.
  • The least productive years with any output are 1981 and 2022, with 1 publication each.
  • 1 of the 45 years in the span carries no publications at all (2024).
  • The rate of publication averages 16.9 papers per year over the whole span, or 17.3 per year counting only the 44 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 32 publications, 4% of the career total.
  • Split into equal eras - 1981-1995: 166 publications (11.1 per year); 1996-2010: 324 publications (21.6 per year); 2011-2025: 271 publications (18.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Derek A. Tocher 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 Derek A. Tocher 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, 441–460 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: 450 publications — 85th percentile

85% 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
441–460 270 450
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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Derek A. Tocher 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.
  • Derek A. Tocher, a Chemistry scholar from University College London, records 450 publications - the 85th percentile of the discipline.
  • 85% of ranked Chemistry scientists score the same or lower than Derek A. Tocher, and about 15% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Derek A. Tocher ranks above the median.
  • 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).

Derek A. Tocher 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 Derek A. Tocher 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, 50–51 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: 51 D-Index — 23rd percentile

23% 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 51
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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Derek A. Tocher 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.
  • Derek A. Tocher, a Chemistry scholar from University College London, records 51 D-Index - the 23rd percentile of the discipline.
  • 23% of ranked Chemistry scientists score the same or lower than Derek A. Tocher, and about 77% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Derek A. Tocher 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

Derek A. Tocher is a researcher affiliated with University College London in the United Kingdom, specializing in materials science with a particular focus on materials chemistry. Their work extensively covers crystallization and solubility studies, X-ray diffraction in crystallography, and crystallography and molecular interactions.

The scientist's research spans several subfields within chemistry, including inorganic chemistry, organic chemistry, physical and theoretical chemistry, and areas related to renewable energy, sustainability, and the environment. Their investigations also include metal-organic framework synthesis and applications, organometallic complex synthesis and catalysis, as well as studies related to metalloenzymes and iron-sulfur proteins.

Tocher has contributed significantly to multiple publication venues, with a dominant presence in The Cambridge Structural Database. Other frequent venues include Crystal Growth & Design, Chemistry - A European Journal, Dalton Transactions, and Materials Today Proceedings.

Frequent collaborators of the scientist include:

  • Claire J. Carmalt
  • Faiza Habib
  • Richard D. J. Lunn
  • Philip J. Sidebottom
  • Mark Montgomery

Recent papers authored or co-authored by Derek A. Tocher include:

  • Two new monofunctional platinum(ii) dithiocarbamate complexes: phenanthriplatin-type axial protection, equatorial-axial conformational isomerism, and anticancer and DNA binding studies, 2020, Dalton Transactions
  • Applying the Crystalline Sponge Method to Agrochemicals: Obtaining X-ray Structures of the Fungicide Metalaxyl-M and Herbicide S-Metolachlor, 2021, Crystal Growth & Design
  • Structure determination of terpenes by the crystalline sponge method, 2020, Microporous and Mesoporous Materials
  • Encapsulation of Aromatic Compounds and a Non-Aromatic Herbicide into a Gadolinium-Based Metal-Organic Framework via the Crystalline Sponge Method, 2020, Crystal Growth & Design
  • Applications of the crystalline sponge method and developments of alternative crystalline sponges, 2022, Materials Today Proceedings

Best Publications

  • Synthesis, characterisation and spectroscopic properties of ruthenium(II)-2,2':6',2''-terpyridine coordination triades X-ray structures of 4'-(N,N-dimethylamino)-2,2':6',2''-terpyridine and bis(4'-(N,N-dimethylamino)-2,2':6',2''-terpyridine)ruthenium(II) hexafluorophosphate acetonitrile solvate

    E. C Constable;A. M. W. C Thompson;D. A Tocher;M. A. M Daniels

  • A highly efficient, preorganized macrobicyclic receptor for halides based on CH... and NH...anion interactions.

    Christos A. Ilioudis;Derek A. Tocher;Jonathan W. Steed

  • A New Polymorph of 5-Fluorouracil Found Following Computational Crystal Structure Predictions

    Ashley T. Hulme;Sarah L. Price;Derek A. Tocher

  • Salt or Cocrystal? A New Series of Crystal Structures Formed from Simple Pyridines and Carboxylic Acids

    Sharmarke Mohamed;Derek A. Tocher;Martin Vickers;Panagiotis G. Karamertzanis

  • Cytotoxicity and antiviral activity of transition-metal salicylato complexes and crystal structure of Bis(diisopropylsalicylato)(1,10-phenanthroline)copper(II)

    John D. Ranford;Peter J. Sadler;Derek A. Tocher

  • Spontaneous assembly of a double-helical binuclear complex of 2,2':6',2'':6'',2''':6''',2'''':6'''',2'''''-sexipyridine

    Edwin C. Constable;Michael D. Ward;Derek A. Tocher

  • Structural and electrochemical characterization of the novel ortho-metalated dirhodium(II) compounds Rh2(O2CCH3)2[(C6H5)2P(C6H4)]2•2L

    Akhil R. Chakravarty;F. Albert. Cotton;Derek A. Tocher;Joanne H. Tocher

  • Cyclometallation reactions of 6-phenyl-2,2′-bipyridine; a potential C,N,N-donor analogue of 2,2′: 6′,2″-terpyridine. Crystal and molecular structure of dichlorobis(6-phenyl-2,2′-bipyridine)ruthenium(II)

    Edwin C. Constable;Roland P. G. Henney;Troy A. Leese;Derek A. Tocher

  • HELICAL AND NONHELICAL PALLADIUM(II) COMPLEXES OF OLIGOPYRIDINE LIGANDS - THE LIGAND-DIRECTED ASSEMBLY OF POLYNUCLEAR COMPLEXES

    Edwin C. Constable;Susan M. Elder;John Healy;Michael D. Ward

  • Complex Polymorphic System of Gallic Acid-Five Monohydrates, Three Anhydrates, and over 20 Solvates.

    Doris E. Braun;Rajni M. Bhardwaj;Alastair J. Florence;Derek A. Tocher

  • Aerosol‐Assisted Chemical Vapor Deposition of NbS2 and TaS2 Thin Films from Pentakis(dimethylamido)metal Complexes and 2‐Methylpropanethiol

    Emily S. Peters;Claire J. Carmalt;Ivan P. Parkin;Derek A. Tocher

  • Cyclopalladated and cycloplatinated complexes of 6-phenyl-2,2′-bipyridine: platinum-platinum interactions in the solid state

    Edwin C. Constable;Roland P. G. Henney;Troy A. Leese;Derek A. Tocher

  • The polymorphism of progesterone: stabilization of a 'disappearing' polymorph by co-crystallization.

    Robert W. Lancaster;Panagiotis G. Karamertzanis;Ashley T. Hulme;Derek A. Tocher

  • Development of supramolecular structure through alkylation of pendant pyridyl functionality

    Edwin Charles Constable;Catherine E. Housecroft;Markus Neuburger;David E. Phillips

  • Enantiospecific formal total synthesis of the tumor and GSK-3 beta inhibiting alkaloid, (-)-agelastatin A.

    Karl J. Hale;Mathias M. Domostoj;Derek A. Tocher;Ed Irving

  • Syntheses, molecular structures, and properties of two polar diruthenium(II,III) complexes of 2-hydroxypyridine and 2-anilinopyridine

    A. R. Chakravarty;F. A. Cotton;D. A. Tocher

  • An Experimental and Theoretical Search for Polymorphs of Barbituric Acid: The Challenges of Even Limited Conformational Flexibility

    Thomas C. Lewis;Derek A. Tocher;Sarah L. Price

  • Cyclometallation reactions of 2-phenylpyridine; crystal and molecular structure of (2-{2-pyridyl} phenyl)palladium(II) tetramer and (2-{2-pyridyl} phenyl)mercury(II) tetramer

    Edwin C. Constable;Alexander M.W. Cargill Thompson;Troy A. Leese;David G.F. Reese

  • Aerosol assisted chemical vapor deposition of In2O3 films from Me3In and donor functionalized alcohols.

    Siama Basharat;Claire J. Carmalt;Sarah A. Barnett;Derek A. Tocher

  • Enantioselective radical-chain hydrosilylation of alkenes using homochiral thiols as polarity-reversal catalysts

    M. Bodrul Haque;Brian P. Roberts;Derek A. Tocher

  • A convenient preparation of 2,2′:6′,2″:6″,2‴-quaterpyridine; the crystal and molecular structures of 2,2′:6′,2″:6″,2‴-quaterpyridine and bis(acetonitrile)-(2,2′:6′,2″:6″,2‴-quaterpyridine)nickel(II) hexafluorophosphate–acetonitrile(1/1)

    Edwin C. Constable;Susan M. Elder;John Healy;Derek A. Tocher

  • A modular, self-assembled, separated ion pair binding system.

    David R. Turner;Elinor C. Spencer;Judith A. K. Howard;Derek A. Tocher

Frequent Co-Authors

Edwin C. Constable
Edwin C. Constable University of Basel
Jonathan W. Steed
Jonathan W. Steed Durham University
Claire J. Carmalt
Claire J. Carmalt University College London
Sarah L. Price
Sarah L. Price University College London
Akhil R. Chakravarty
Akhil R. Chakravarty Indian Institute of Science
Stephen Caddick
Stephen Caddick University College London
Michael G. B. Drew
Michael G. B. Drew University of Reading
Michael J. Hannon
Michael J. Hannon University of Birmingham
F. Albert Cotton
F. Albert Cotton Texas A&M University
Mark R. J. Elsegood
Mark R. J. Elsegood Loughborough University

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