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Researcher · Universidade de São Paulo · Brazil

Hélio A. Stefani

Hélio A. Stefani publishes mostly in Organic Chemistry, Toxicology and Molecular Biology, on topics such as Organoselenium and organotellurium chemistry, Sulfur-Based Synthesis Techniques and Chemical Synthesis and Reactions.

ORCID 0000-0002-7805-2834 OpenAlex
World rank
#462,259
of 1,633,909 ranked researchers
Rank in Brazil
#5,605
of 38,702
Works
62
Citations
190
Citations per work
3.1

What does Hélio A. Stefani research?

Organic Chemistry: 49.4%Toxicology: 20.3%Molecular Biology: 3.8%Inorganic Chemistry: 3.8%other fields: 22.7%49%top field
Organic Chemistry49.4%Toxicology20.3%Molecular Biology3.8%Inorganic Chemistry3.8%other fields22.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Organic Chemistry49% of their works
  2. 2Toxicology20% of their works
  3. 3Molecular Biology4% of their works
  4. 4Inorganic Chemistry4% of their works
  5. 5Nutrition and Dietetics4% of their works
  6. 6Epidemiology2% of their works

Research topics

Which keywords describe Hélio A. Stefani's research?

The keywords of their largest research topics: Organoselenium Compounds, Selenium Reagents, Organic Synthesis, Sulfur Bond Formation, Transition-Metal-Catalyzed, Catalysis, Electrochemical Methods and Oxidation.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Organoselenium Compounds161 topic
  2. Selenium Reagents161 topic
  3. Organic Synthesis142 topics
  4. Sulfur Bond Formation101 topic
  5. Transition-Metal-Catalyzed101 topic
  6. Catalysis41 topic
  7. Electrochemical Methods41 topic
  8. Oxidation41 topic
  9. Transition Metal Catalysis42 topics
  10. Visible Light Photoredox Catalysis41 topic
  11. Selenium31 topic
  12. Selenoproteins31 topic
  13. Carbon–Carbon Bond Formation21 topic
  14. C–H Activation21 topic
  15. Enantioselective Reactions21 topic
  16. Organic Chemistry21 topic
  17. Organocatalysis21 topic
  18. Reactivity21 topic

Where does Hélio A. Stefani work?

Hélio A. Stefani's main affiliation in the publication record is Universidade de São Paulo, Brazil.

How many publications and citations does Hélio A. Stefani have?

Science Explorer counts 62 works and 190 citations for Hélio A. Stefani, ranking #462,259 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.