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Stephen Hanessian

Stephen Hanessian

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Chemistry
Canada
2025

D-Index & Metrics

Chemistry

D-Index
87
Citations
28372
World Ranking
2399
National Ranking
50

Stephen Hanessian 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 Stephen Hanessian 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: 760 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Stephen Hanessian 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 Stephen Hanessian 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: 87 D-Index — 87th percentile

87% 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

  • 2025 - Research.com Chemistry in Canada Leader Award
  • 2022 - Research.com Chemistry in Canada Leader Award
  • 1997 - Izaak Walton Killam Memorial Prize, Canada Council
  • 1996 - Prix Marie-Victorin, Government of Quebec
  • 1988 - Fellow of the Royal Society of Canada Academy of Science
  • 1988 - Chemical Institute of Canada Medal

Overview

Stephen Hanessian is affiliated with the University of Montreal in Canada. Their research primarily spans the fields of Materials Science, Chemistry, and Biochemistry, Genetics and Molecular Biology. Within these broad disciplines, their work focuses on subfields such as Materials Chemistry, Organic Chemistry, and Molecular Biology, with smaller contributions in Physiology and Physical and Theoretical Chemistry.

The scientist's research topics include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Chemical Synthesis and Analysis
  • Asymmetric Synthesis and Catalysis
  • Advanced biosensing and bioanalysis techniques
  • Synthesis and Catalytic Reactions
  • Oxidative Organic Chemistry Reactions

They have published frequently in venues such as:

  • The Cambridge Structural Database
  • The Journal of Organic Chemistry
  • Canadian Journal of Chemistry
  • Synthesis
  • ACS Medicinal Chemistry Letters

Among recent scientific papers authored or coauthored by Stephen Hanessian are:

  • Drug-like sphingolipid SH-BC-893 opposes ceramide-induced mitochondrial fission and corrects diet-induced obesity (2021, EMBO Molecular Medicine)
  • Simultaneous inhibition of endocytic recycling and lysosomal fusion sensitizes cells and tissues to oligonucleotide therapeutics (2023, Nucleic Acids Research)
  • Synthetic Sphingolipids with 1,2-Pyridazine Appendages Improve Antiproliferative Activity in Human Cancer Cell Lines (2020, ACS Medicinal Chemistry Letters)
  • Backbone Hydrocarbon-Constrained Nucleic Acids Modulate Hybridization Kinetics for RNA (2022, Journal of the American Chemical Society)
  • Ni-Catalyzed Reductive and Merged Photocatalytic Cross-Coupling Reactions toward sp3/sp2-Functionalized Isoquinolones: Creating Diversity at C-6 and C-7 to Address Bioactive Analogues (2020, ACS Omega)

Frequent collaborators in their work include Sofiane Hocine, Gilles Berger, Jean-Baptiste Garsi, Thierry Maris, and Aaron Gabriel Nunez Avila.

Stephen Hanessian has received several awards over the course of their career, including:

  • Izaak Walton Killam Memorial Prize from the Canada Council in 1997
  • Prix Marie-Victorin granted by the Government of Quebec in 1996
  • Chemical Institute of Canada Medal in 1988
  • Fellowship of the Royal Society of Canada's Academy of Science in 1988

Best Publications

  • Design and synthesis of conformationally constrained amino acids as versatile scaffolds and peptide mimetics

    Stephen Hanessian;Grant McNaughton-Smith;Henry-Georges Lombart;William D. Lubell

  • Regioselective manipulation of hydroxyl groups via organotin derivatives

    S. David;S. Hanessian

  • Preparative Carbohydrate Chemistry

    Unknown

  • The Preparation and Synthetic Utility of tert-Butyldiphenylsilyl Ethers

    Stephen Hanessian;Pierre Lavallee

  • Analysis of trimethylsilyl derivatives of carbohydrates by gas chromatography and mass spectrometry

    Don C. DeJongh;T. Radford;Jeremy D. Hribar;Stephen Hanessian

  • trans-1,2-Diaminocyclohexane Derivatives as Chiral Reagents, Scaffolds, and Ligands for Catalysis: Applications in Asymmetric Synthesis and Molecular Recognition.

    Youssef L. Bennani† and;Stephen Hanessian

  • Synthetic Strategies toward Natural Products Containing Contiguous Stereogenic Quaternary Carbon Atoms.

    Martin Büschleb;Stéphane Dorich;Stephen Hanessian;Daniel Tao

  • Catalytic asymmetric conjugate addition of nitroalkanes to cycloalkenones.

    Stephen Hanessian;Vinh Pham

  • Chemistry of the glycosidic linkage. An efficient synthesis of 1,2-trans-di-saccharides

    Stephen Hanessian;Joseph Banoub

  • Design of Secondary Structures in Unnatural Peptides: Stable Helical γ-Tetra-, Hexa-, and Octapeptides and Consequences of α-Substitution

    Stephen Hanessian;Xuehong Luo;and Robert Schaum;Stephen Michnick

  • Synthesis of naturally occurring C-nucleosides, their analogs, and functionalized C-glycosyl precursors.

    Stephen Hanessian;André G. Pernet

  • Reaction of O-benzylidene sugars with N-bromosuccinimide. II. Scope and synthetic utility in the methyl 4,6-0-benzylidenehexopyranoside series

    Stephen Hanessian;Nike R. Plessas

  • Procedures for the direct replacement of primary hydroxyl groups in carbohydrates by halogen

    S. Hanessian;M.M. Ponpipom;P. Lavallee

  • Neuronal activity‐dependent increase of net matrix metalloproteinase activity is associated with MMP‐9 neurotoxicity after kainate

    Jérôme Jourquin;Evelyne Tremblay;Nadège Décanis;Gérard Charton

  • Synthesis of (4S)-hydroxymethyl-(2R)-(2-propyl)-butyrolactone: A quest for a practical route to an important hydroxyethylene isostere chiron

    Stephen Hanessian;Teresa Abad-Grillo;Grant McNaughton-Smith

  • Chemistry and biology of the aeruginosin family of serine protease inhibitors.

    Karolina Ersmark;Juan R. Del Valle;Stephen Hanessian

  • Design and reactivity of topologically unique, chiral phosphonamides. Remarkable diastereofacial selectivity in asymmetric olefination and alkylation

    Stephen Hanessian;D. Delorme;S. Beaudoin;Y. Leblanc

  • Recent Progress in the Chemistry of Daphniphyllum Alkaloids

    Amit Kumar Chattopadhyay;Stephen Hanessian

  • Stereocontrolled glycosyl transfer reactions with unprotected glycosyl donors.

    Stephen Hanessian;Boliang Lou

  • The reaction of O-benzylidene sugars with N-bromosuccinimide

    Stephen Hanessian

  • Matrix metalloproteinase-2 (MMP-2) regulates astrocyte motility in connection with the actin cytoskeleton and integrins.

    Crystel Ogier;Anne Bernard;Anne-Marie Chollet;Thierry Le Diguardher

Frequent Co-Authors

Eric E. Swayze
Eric E. Swayze Ionis Pharmaceuticals (United States)
Punit P. Seth
Punit P. Seth Ionis Pharmaceuticals (United States)
Eric Westhof
Eric Westhof University of Strasbourg
Raffaele Saladino
Raffaele Saladino Tuscia University
Roger F. Butterworth
Roger F. Butterworth University of Montreal
Hing L. Sham
Hing L. Sham Global Blood Therapeutics (United States)
Peter C. Tyler
Peter C. Tyler Victoria University of Wellington
Beat Ernst
Beat Ernst University of Basel
René Roy
René Roy University of Quebec at Montreal
Larry E. Overman
Larry E. Overman University of California, Irvine

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