R. Helder
Impact in
- Organic Chemistry top 5%
- Asymmetric Synthesis and Catalysis
- Organic Chemistry Cycloaddition Reactions
- Synthesis and Catalytic Reactions
- Chemical Synthesis and Reactions
- Synthetic Organic Chemistry Methods
- Inorganic Chemistry top 10%
- Asymmetric Hydrogenation and Catalysis
Papers in
-
- Organic Chemistry Cycloaddition Reactions 4
- Chemical Synthesis and Reactions 2
- Inorganic and Organometallic Chemistry 2
- Synthesis and Properties of Aromatic Compounds 2
- Asymmetric Synthesis and Catalysis 2
- Sulfur-Based Synthesis Techniques 1
-
- Analytical Chemistry and Chromatography 3
- Molecular spectroscopy and chirality 1
- Co-authors
- Hans Wynberg (10 shared papers)Jan C. Hummelen (1 shared paper)Henk Hiemstra (1 shared paper)B. Zwanenburg (1 shared paper)J. Strating (1 shared paper)David N. Reinhoudt (1 shared paper)H. C. Volger (1 shared paper)
- Journals
- Tetrahedron Letters (8 papers)Tetrahedron (2 papers)Recueil des Travaux Chimiques des Pays-Bas (1 paper)
- Partner nations
- Netherlands
In The Last Decade
R. Helder
11 papers receiving 413 citations
Peers
Comparison fields: 5 of 34
- Organic Chemistry 389
- Inorganic Chemistry 109
- Pharmaceutical Science 26
- Spectroscopy 70
- Toxicology 11
Countries citing papers authored by R. Helder
This map shows the geographic impact of R. Helder's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by R. Helder with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. Helder more than expected).
Fields of papers citing papers by R. Helder
This network shows the impact of papers produced by R. Helder. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by R. Helder. The network helps show where R. Helder may publish in the future.
Co-authors
The 7 scholars most cited alongside R. Helder, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 1975 | 130 | |
| 2 | 1976 | 124 | |
| 3 | 1977 | 54 | |
| 4 | 1972 | 31 | |
| 5 | 1976 | 25 | |
| 6 | 1972 | 17 | |
| 7 | 1973 | 16 | |
| 8 | 1973 | 11 | |
| 9 | 1971 | 11 | |
| 10 | 1972 | 10 | |
| 11 | 1975 | 7 |
About R. Helder
R. Helder is a scholar working on Organic Chemistry, Spectroscopy, Pharmaceutical Science, Physical and Theoretical Chemistry and Molecular Biology, having authored 11 papers that have together received 436 indexed citations. Recurring topics across this work include Organic Chemistry Cycloaddition Reactions (4 papers), Analytical Chemistry and Chromatography (3 papers), Chemical Synthesis and Reactions (2 papers), Inorganic and Organometallic Chemistry (2 papers), Synthesis and Properties of Aromatic Compounds (2 papers), Asymmetric Synthesis and Catalysis (2 papers), Molecular spectroscopy and chirality (1 paper) and Sulfur-Based Synthesis Techniques (1 paper). The work is most often cited by research in Organic Chemistry (389 citations), Inorganic Chemistry (109 citations), Pharmaceutical Science (26 citations), Spectroscopy (70 citations) and Toxicology (11 citations). R. Helder has collaborated with scholars based in Netherlands. Frequent co-authors include Hans Wynberg, Jan C. Hummelen, Henk Hiemstra, B. Zwanenburg, J. Strating, David N. Reinhoudt and H. C. Volger. Their work appears in journals such as Tetrahedron Letters, Tetrahedron and Recueil des Travaux Chimiques des Pays-Bas.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.