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Robert M. Williams

D-Index & Metrics

Chemistry

D-Index
80
Citations
20401
World Ranking
3470
National Ranking
1132

Robert M. Williams 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 Robert M. Williams 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: 405 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Robert M. Williams 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 Robert M. Williams 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: 80 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Robert M. Williams was affiliated with Colorado State University in the United States. Their research spanned several fields primarily within biochemistry, genetics, and molecular biology, with extensions into medicine.

The scientist produced work across multiple subfields, including:

  • Pharmacology
  • Molecular Biology
  • Materials Chemistry
  • Biotechnology
  • Organic Chemistry

Their main research topics focused extensively on:

  • Microbial Natural Products and Biosynthesis
  • Marine Sponges and Natural Products
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Microbial Metabolism and Applications
  • Alkaloids: synthesis and pharmacology
  • Ethics and Social Impacts of AI

Among recent papers authored or coauthored by Williams were the following:

  • "Fungal-derived brevianamide assembly by a stereoselective semipinacolase," 2020, published in Nature Catalysis
  • "Molecular Basis for Spirocycle Formation in the Paraherquamide Biosynthetic Pathway," 2020, published in Journal of the American Chemical Society
  • "Irpexine, an Isoindolinone Alkaloid Produced by Coculture of Endophytic Fungi, Irpex lacteus and Phaeosphaeria oryzae," 2020, published in Journal of Natural Products
  • "Flavin-Dependent Monooxygenases NotI and NotI' Mediate Spiro-Oxindole Formation in Biosynthesis of the Notoamides," 2020, published in ChemBioChem
  • "Understanding and Avoiding AI Failures: A Practical Guide," 2021, published by MDPI (MDPI AG)

Frequent collaborators included:

  • David H. Sherman
  • Sean A. Newmister
  • Sachiko Tsukamoto
  • Amy E. Fraley
  • Hikaru Kato

Key publication venues in their career were:

  • The Cambridge Structural Database
  • Journal of Natural Products
  • ChemBioChem
  • Nature Catalysis
  • Journal of the American Chemical Society

Best Publications

  • Chemistry and biology of the tetrahydroisoquinoline antitumor antibiotics.

    Jack D. Scott and;Robert M. Williams

  • The Asymmetric Total Synthesis of (+)- and (−)-Spirotryprostatin B

    Paul R. Sebahar and;Robert M. Williams

  • Paraherquamides, Brevianamides, and Asperparalines: Laboratory Synthesis and Biosynthesis. An Interim Report

    Unknown

  • Chemistry and Biology of Biosynthetic Diels–Alder Reactions

    Unknown

  • Asymmetric synthesis of arylglycines

    Robert M. Williams;James A. Hendrix

  • Notoamides A–D: Prenylated Indole Alkaloids Isolated from a Marine‐Derived Fungus, Aspergillus sp.

    Hikaru Kato;Takushi Yoshida;Takanori Tokue;Yuka Nojiri

  • Isolation, Structure Elucidation, and Biomimetic Total Synthesis of Versicolamide B, and the Isolation of Antipodal ()-Stephacidin A and (+)-Notoamide B from Aspergillus versicolor NRRL 35600**

    Thomas J. Greshock;Alan W. Grubbs;Ping Jiao;Donald T. Wicklow;Donald T. Wicklow

  • Taxol biosynthesis: Taxane 13α-hydroxylase is a cytochrome P450-dependent monooxygenase

    Stefan Jennewein;Christopher D. Rithner;Robert M. Williams;Rodney B. Croteau

  • Enantiomeric natural products: occurrence and biogenesis.

    Jennifer M. Finefield;David H. Sherman;Martin Kreitman;Robert M. Williams;Robert M. Williams

  • Asymmetric synthesis of monosubstituted and .alpha.,.alpha.-disubstituted .alpha.-amino acids via diastereoselective glycine enolate alkylations

    Robert M. Williams;Myeong Nyeo Im

  • Practical asymmetric syntheses of .alpha.-amino acids through carbon-carbon bond constructions on electrophilic glycine templates

    Robert M. Williams;Peter J. Sinclair;Dongguan. Zhai;Daimo. Chen

  • Molecular cloning of a cytochrome P450 taxane 10β-hydroxylase cDNA from Taxus and functional expression in yeast

    Anne Schoendorf;Christopher D. Rithner;Robert M. Williams;Rodney B. Croteau

  • Meta-omic characterization of the marine invertebrate microbial consortium that produces the chemotherapeutic natural product ET-743

    Christopher M. Rath;Benjamin Janto;Josh Earl;Azad Ahmed

  • Cytochrome P450 Taxadiene 5α-Hydroxylase, a Mechanistically Unusual Monooxygenase Catalyzing the First Oxygenation Step of Taxol Biosynthesis

    Stefan Jennewein;Robert M. Long;Robert M. Williams;Rodney Croteau

  • Cytochrome P450-catalyzed hydroxylation of taxa-4(5),11(12)-diene to taxa-4(20),11(12)-dien-5a-o1: the first oxygenation step in taxol biosynthesis

    Jerry Hefner;Steven M. Rubenstein;Raymond E.B. Ketchum;Donna M. Gibson

  • Biosynthesis of Prenylated Alkaloids Derived from Tryptophan

    Robert M. Williams;Emily M. Stocking;Juan F. Sanz-Cervera

  • Fungal Origins of the Bicyclo[2.2.2]diazaoctane Ring System of Prenylated Indole Alkaloids

    Jennifer M. Finefield;Jens C. Frisvad;David H. Sherman;Robert M. Williams

  • Total Synthesis and Biological Mode of Action of Largazole: A Potent Class I Histone Deacetylase Inhibitor

    Albert Bowers;Nathan West;Jack Taunton;Stuart L. Schreiber

  • Histone deacetylase inhibitors are potent inducers of gene expression in latent EBV and sensitize lymphoma cells to nucleoside antiviral agents

    Sajal K. Ghosh;Susan P. Perrine;Robert M. Williams;Douglas V. Faller

  • Asymmetric, stereocontrolled total synthesis of (-)-brevianamide B

    Robert M. Williams;Tomasz Glinka;Ewa Kwast;Hazel Coffman

  • Concise, asymmetric, stereocontrolled total synthesis of stephacidins A, B and notoamide B.

    Gerald D. Artman;and Alan W. Grubbs;Robert M. Williams

  • Stereocontrolled Total Synthesis of (+)-Paraherquamide B⊥

    Timothy D. Cushing;Juan F. Sanz-Cervera;Robert M. Williams

Frequent Co-Authors

David H. Sherman
David H. Sherman University of Michigan–Ann Arbor
Sachiko Tsukamoto
Sachiko Tsukamoto Kumamoto University
Rodney Croteau
Rodney Croteau Washington State University
Douglas V. Faller
Douglas V. Faller Takeda (Japan)
Olaf Wiest
Olaf Wiest University of Notre Dame
Oren P. Anderson
Oren P. Anderson Colorado State University
Janet L. Smith
Janet L. Smith University of Michigan–Ann Arbor
James E. Bradner
James E. Bradner Amgen (United States)
Jens Christian Frisvad
Jens Christian Frisvad Technical University of Denmark
Martin Kreitman
Martin Kreitman University of Chicago

External Links

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Related Online Degrees & Career Pathways

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Best Scientists Citing Robert M. Williams

Shu-Ming Li

Shu-Ming Li

Philipp University of Marburg

Publications: 52

Rodney Croteau

Rodney Croteau

Washington State University

Publications: 31

Hideaki Oikawa

Hideaki Oikawa

Hokkaido University

Publications: 25

Phil S. Baran

Phil S. Baran

Scripps Research Institute

Publications: 23

K. C. Nicolaou

K. C. Nicolaou

Rice University

Publications: 22

Xiaoming Feng

Xiaoming Feng

Sichuan University

Publications: 21

Wei-Cheng Yuan

Wei-Cheng Yuan

Chinese Academy of Sciences

Publications: 20

Carmen Nájera

Carmen Nájera

University of Alicante

Publications: 20

Min Shi

Min Shi

University of Washington

Publications: 20

Dean J. Tantillo

Dean J. Tantillo

University of California, Davis

Publications: 20

Lili Lin

Lili Lin

Sichuan University

Publications: 18

Mohammad Movassaghi

Mohammad Movassaghi

MIT

Publications: 18

David H. Sherman

David H. Sherman

University of Michigan–Ann Arbor

Publications: 18

Christian Hertweck

Christian Hertweck

Friedrich Schiller University Jena

Publications: 18

Sachiko Tsukamoto

Sachiko Tsukamoto

Kumamoto University

Publications: 17

Yoshiji Takemoto

Yoshiji Takemoto

Kyoto University

Publications: 17

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