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Peter O'Brien

D-Index & Metrics

Chemistry

D-Index
51
Citations
8226
World Ranking
14093
National Ranking
785

Peter O'Brien 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 Peter O'Brien sits on this spectrum.

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 publications 1,295+

This scientist: 184 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Peter O'Brien 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 Peter O'Brien sits on this spectrum.

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 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.

Research.com Recognitions

  • 2016 - Longstaff Prize, Royal Society of Chemistry (UK)
  • 1999 - Meldola Medal and Prize, Royal Society of Chemistry (UK)

Overview

Peter O'Brien is a researcher affiliated with the University of York in the United Kingdom. Their work spans the fields of Chemistry and Biochemistry, Genetics and Molecular Biology, with a strong focus on sub-disciplines such as Organic Chemistry, Molecular Biology, Materials Chemistry, Computational Theory and Mathematics, and Biomedical Engineering.

The scientist's research primarily covers topics including Chemical Synthesis and Analysis, Computational Drug Discovery Methods, Innovative Microfluidic and Catalytic Techniques Innovation, Catalytic Cross-Coupling Reactions, Coordination Chemistry and Organometallics, Crystallization and Solubility Studies, and X-ray Diffraction in Crystallography.

Selected recent publications demonstrate a concentration on fragment-based drug discovery and crystallographic screening. They include:

  • Crystallographic and electrophilic fragment screening of the SARS-CoV-2 main protease, 2020, Nature Communications
  • Fragment binding to the Nsp3 macrodomain of SARS-CoV-2 identified through crystallographic screening and computational docking, 2021, Science Advances
  • Crystallographic and electrophilic fragment screening of the SARS-CoV-2 main protease, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Design and Synthesis of 56 Shape-Diverse 3D Fragments, 2020, Chemistry - A European Journal
  • Escape from planarity in fragment-based drug discovery: A synthetic strategy analysis of synthetic 3D fragment libraries, 2022, Drug Discovery Today

Frequent collaborators in research include James D. Firth, Hanna F. Klein, Roderick E. Hubbard, Simon Jones, and Thomas D. Downes.

Their work has appeared repeatedly in several publication venues, such as Zenodo (CERN European Organization for Nuclear Research), The Cambridge Structural Database, bioRxiv (Cold Spring Harbor Laboratory), Chemistry - A European Journal, and Nature Chemistry.

Peter O'Brien has been recognized with awards including the Longstaff Prize from the Royal Society of Chemistry (UK) in 2016 and the Meldola Medal and Prize from the same society in 1999.

Best Publications

  • Crystallographic and electrophilic fragment screening of the SARS-CoV-2 main protease.

    Alice Douangamath;Daren Fearon;Paul Gehrtz;Tobias Krojer

  • Sharpless Asymmetric Aminohydroxylation: Scope, Limitations, and Use in Synthesis.

    Peter O'Brien

  • Synthesis of Spirocyclic Indolenines

    Michael J. James;Peter O'Brien;Richard J. K. Taylor;William P. Unsworth

  • A readily-accessible (+)-sparteine surrogate

    Michael J. Dearden;Catherine R. Firkin;Jean-Paul R. Hermet;Peter O'brien

  • Recent advances in asymmetric synthesis using chiral lithium amide bases

    Peter O’Brien

  • Fragment binding to the Nsp3 macrodomain of SARS-CoV-2 identified through crystallographic screening and computational docking.

    Marion Schuller;Galen J. Correy;Stefan Gahbauer;Daren Fearon

  • Asymmetric Deprotonation of N-Boc Piperidine: React IR Monitoring and Mechanistic Aspects

    Darren Stead;Giorgio Carbone;Peter O’Brien;Kevin R. Campos

  • Silver(I)‐ or Copper(II)‐Mediated Dearomatization of Aromatic Ynones: Direct Access to Spirocyclic Scaffolds

    Michael J. James;James D. Cuthbertson;Peter O'Brien;Richard J. K. Taylor

  • Enantioselective, palladium-catalyzed α-arylation of N-Boc pyrrolidine: in situ react IR spectroscopic monitoring, scope, and synthetic applications.

    Graeme Barker;Julia L. McGrath;Artis Klapars;Darren Stead

  • Catalytic asymmetric synthesis of ferrocenes and P-stereogenic bisphosphines

    Cédric Genet;Steven J. Canipa;Peter O'brien;Sven Taylor

  • Silver(I)-Catalyzed Dearomatization of Alkyne-Tethered Indoles: Divergent Synthesis of Spirocyclic Indolenines and Carbazoles

    Michael J. James;Rosa E. Clubley;Kleopas Y. Palate;Thomas J. Procter

  • Catalyst-Driven Scaffold Diversity: Selective Synthesis of Spirocycles, Carbazoles and Quinolines from Indolyl Ynones.

    John T R Liddon;Michael J James;Aimee K Clarke;Peter O'Brien

  • A New Sparteine Surrogate for Asymmetric Deprotonation of N-Boc Pyrrolidine

    Darren Stead;Peter O'Brien;Adam Sanderson

  • Catalytic asymmetric deprotonation using a ligand exchange approach.

    Matthew J. McGrath;Peter O'Brien

  • Basic instinct: design, synthesis and evaluation of (+)-sparteine surrogates for asymmetric synthesis.

    Peter O'Brien

  • Visible-light-induced intramolecular charge transfer in the radical spirocyclisation of indole-tethered ynones.

    Hon Eong Ho;Angela Pagano;James A. Rossi-Ashton;James R. Donald

  • Evaluation of (+)-sparteine-like diamines for asymmetric synthesis.

    Michael J. Dearden;Matthew J. Mcgrath;Peter O'brien

  • Silica-Supported Silver Nitrate as a Highly Active Dearomatizing Spirocyclization Catalyst: Synergistic Alkyne Activation by Silver Nanoparticles and Silica.

    Aimee K. Clarke;Michael J. James;Peter O'Brien;Richard J. K. Taylor

  • Synthesis of P-stereogenic compounds via kinetic deprotonation and dynamic thermodynamic resolution of phosphine sulfides: opposite sense of induction using (-)-sparteine.

    Jonathan J. Gammon;Viktoria H. Gessner;Greg R. Barker;Johan Granander

  • Asymmetric deprotonation using s-BuLi or i-PrLi and chiral diamines in THF: the diamine matters.

    Giorgio Carbone;Peter O'Brien;Göran Hilmersson

  • Diamine-Free Lithiation−Trapping of N-Boc Heterocycles using s-BuLi in THF

    Graeme Barker;Peter O’Brien;Kevin R. Campos

  • An Experimental and in Situ IR Spectroscopic Study of the Lithiation–Substitution of N-Boc-2-phenylpyrrolidine and -piperidine: Controlling the Formation of Quaternary Stereocenters

    Nadeem S. Sheikh;Daniele Leonori;Graeme Barker;James D. Firth

  • Crystallographic and electrophilic fragment screening of the SARS-CoV-2 main protease

    Alice Douangamath;Daren Fearon;Paul Gehrtz;Tobias Krojer

Frequent Co-Authors

Adrian C. Whitwood
Adrian C. Whitwood University of York
Roderick E. Hubbard
Roderick E. Hubbard University of York
Jonathan Clayden
Jonathan Clayden University of Bristol
Paul R. Raithby
Paul R. Raithby University of Bath
Brian M. Stoltz
Brian M. Stoltz California Institute of Technology
Iwan J. P. de Esch
Iwan J. P. de Esch Vrije Universiteit Amsterdam
Carsten Strohmann
Carsten Strohmann TU Dortmund University
Martin E.M. Noble
Martin E.M. Noble Newcastle University
Jason E. Gestwicki
Jason E. Gestwicki University of California, San Francisco
Alan Ashworth
Alan Ashworth University of California, San Francisco

External Links

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For those beginning their academic journey, online criminal justice associate degree programs offer accessible pathways to enter forensic and legal professions, providing foundational knowledge that complements a background in chemistry.

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