World's Best Scientists 2026 revealed!
Karl W. Törnroos

Karl W. Törnroos

D-Index & Metrics

Chemistry

D-Index
46
Citations
7499
World Ranking
16063
National Ranking
45

Karl W. Törnroos 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 Karl W. Törnroos 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: 239 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Karl W. Törnroos 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 Karl W. Törnroos 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: 46 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Overview

Karl W. Törnroos is affiliated with the University of Bergen in Norway and has made notable contributions primarily in the field of Materials Science. Their research focuses extensively on Materials Chemistry, with additional work in Organic Chemistry, Physical and Theoretical Chemistry, Process Chemistry and Technology, and Electronic, Optical and Magnetic Materials.

The scientist's work encompasses a variety of topics, including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Crystallography and Molecular Interactions
  • Synthetic Organic Chemistry Methods
  • Organometallic Complex Synthesis and Catalysis
  • Carbon Dioxide Utilization in Catalysis
  • N-Heterocyclic Carbenes in Organic and Inorganic Chemistry

Karl W. Törnroos has authored numerous papers with a significant presence in the Cambridge Structural Database, contributing 78 publications there. Other frequent publication venues include Organometallics with 5 papers, Chemistry - A European Journal with 2 papers, and two venues of Acta Crystallographica Sections A and B each hosting 2 of their publications.

Some recent papers demonstrate the scope of their research interests:

  • Open-Shell Early Lanthanide Terminal Imides, 2022, Journal of the American Chemical Society
  • Z-Selective Monothiolate Ruthenium Indenylidene Olefin Metathesis Catalysts, 2020, Organometallics
  • Bis(phenolate)-functionalized N-heterocyclic carbene complexes of oxo- and imido-vanadium(V), 2021, Inorganica Chimica Acta
  • Unsaturated and Benzannulated N-Heterocyclic Carbene Complexes of Titanium and Hafnium: Impact on Catalysts Structure and Performance in Copolymerization of Cyclohexene Oxide with CO2, 2020, Molecules
  • Synthesis and Reactivity of Cobalt(I) and Iridium(I) Complexes Bearing a Pentadentate N-Homoallyl-Substituted Bis(NHC) Pincer Ligand, 2020, Organometallics

Their collaborative work includes frequent co-authorship with several scientists, such as Cäcilia Maichle-Mößmer and Reiner Anwander, each with 55 joint publications. Other notable collaborators include Melanie Meermann-Zimmermann with 24 co-authored papers, Doris Kunz with 20, and Renita Thim-Spöring with 19 publications.

Best Publications

  • Ordering phenomena and phase transitions in a spin-crossover compound-uncovering the nature of the intermediate phase of [Fe(2-pic)3]Cl2.EtOH.

    Dmitry Chernyshov;Marc Hostettler;Karl W. Törnroos;Karl W. Törnroos;Hans-Beat Bürgi

  • Cationic Rare‐Earth‐Metal Half‐Sandwich Complexes for the Living trans‐1,4‐Isoprene Polymerization

    Melanie Zimmermann;Karl W. Törnroos;Reiner Anwander

  • Tetrahedral clusters of copper(II): Crystal structures and magnetic properties of Cu2Te2O5X2 (X = Cl, Br)

    M. Johnsson;K. W. Törnroos;and F. Mila;P. Millet

  • Homoleptic Rare‐Earth Metal(III) Tetramethylaluminates: Structural Chemistry, Reactivity, and Performance in Isoprene Polymerization

    Melanie Zimmermann;Nils Åge Frøystein;Andreas Fischbach;Peter Sirsch

  • Simple and Highly Z-Selective Ruthenium-Based Olefin Metathesis Catalyst

    Giovanni Occhipinti;Fredrik R. Hansen;Karl W. Törnroos;Vidar R. Jensen

  • Challenges in Engineering Spin Crossover: Structures and Magnetic Properties of Six Alcohol Solvates of Iron(II) Tris(2‐picolylamine) Dichloride

    Marc Hostettler;Karl W. Törnroos;Dmitry Chernyshov;Brita Vangdal

  • "Ionic carbenes": synthesis, structural characterization, and reactivity of rare-Earth metal methylidene complexes.

    H. Martin Dietrich;Karl W. Törnroos;Reiner Anwander

  • Rare‐Earth Metal Mixed Chloro/Methyl Compounds: Heterogeneous–Homogeneous Borderline Catalysts in 1,3‐Diene Polymerization

    Christian Meermann;Karl W. Törnroos;Willy Nerdal;Reiner Anwander

  • A rare-earth metal variant of the Tebbe reagent.

    Rannveig Litlabø;Melanie Zimmermann;Kuburat Saliu;Josef Takats

  • Multiple C-H Bond Activation in Group 3 Chemistry: Synthesis and Structural Characterization of an Yttrium-Aluminum-Methine Cluster

    H. Martin Dietrich;Hilde Grove;Karl W. Törnroos;Reiner Anwander

  • Crystal Structure and Magnetic Properties of a New Two-Dimensional S = 1 Quantum Spin System Ni5(TeO3)4X2 (X = Cl, Br)

    Mats Johnsson;Karl W. Törnroos;Peter Lemmens;Patrice Millet

  • Ln(III) methyl and methylidene complexes stabilized by a bulky hydrotris(pyrazolyl)borate ligand

    Melanie Zimmermann;Josef Takats;Gong Kiel;Karl W. Törnroos

  • Use of alpha-chlorinated N-(tert-butanesulfinyl)imines in the synthesis of chiral aziridines.

    Bram Denolf;Sven Mangelinckx;Karl W. Törnroos;Norbert De Kimpe

  • Interplay of Spin Conversion and Structural Phase Transformations: Re‐Entrant Phase Transitions in the 2‐Propanol Solvate of Tris(2‐picolylamine)iron(II) Dichloride

    Karl W. Törnroos;Marc Hostettler;Dmitry Chernyshov;Brita Vangdal

  • Loss and Reformation of Ruthenium Alkylidene: Connecting Olefin Metathesis, Catalyst Deactivation, Regeneration, and Isomerization

    Julien Engel;Wietse Smit;Marco Foscato;Giovanni Occhipinti

  • Syntheses, crystal structures and magnetic properties of copper(II) polynuclear and dinuclear compounds with 2,3-bis(2-pyridyl)pyrazine (dpp) and pseudohalide as ligands

    Hilde Grove;Miguel Julve;Francesc Lloret;Paul E. Kruger

  • Synthesis and stability of homoleptic metal(III) tetramethylaluminates.

    Giovanni Occhipinti;Christian Meermann;H. Martin Dietrich;Rannveig Litlabø

  • Organoaluminum Boryl Complexes

    Nicole Dettenrieder;H. Martin Dietrich;Christoph Schädle;Cäcilia Maichle‐Mössmer

  • Elusive trimethyllanthanum: snapshots of extensive methyl group degradation in la--Al heterobimetallic complexes.

    Laura C. H. Gerber;Erwan Le Roux;Karl W. Törnroos;Reiner Anwander

  • Single-crystal investigation of L-tryptophan with Z' = 16.

    Carl Henrik Görbitz;Karl Wilhelm Törnroos;Graeme M. Day

  • Alkyl Migration and an Unusual Tetramethylaluminate Coordination Mode: Unexpected Reactivity of Organolanthanide Imino–Amido–Pyridine Complexes

    Melanie Zimmermann;Karl W. Törnroos;Reiner Anwander

Frequent Co-Authors

Reiner Anwander
Reiner Anwander University of Tübingen
Norbert De Kimpe
Norbert De Kimpe Ghent University
Kazushi Mashima
Kazushi Mashima Osaka University
Gion Calzaferri
Gion Calzaferri University of Bern
Hayato Tsurugi
Hayato Tsurugi Osaka University
Eberhardt Herdtweck
Eberhardt Herdtweck Technical University of Munich
Mats Tilset
Mats Tilset University of Oslo
Wolfgang Scherer
Wolfgang Scherer Augsburg College
Bjørn Tore Gjertsen
Bjørn Tore Gjertsen Haukeland University Hospital

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