Ulli Eisner

1.6k total citations · 1 hit paper
32 papers, 1.2k citations indexed

About

Ulli Eisner is a scholar working on Organic Chemistry, Materials Chemistry and Molecular Biology. According to data from OpenAlex, Ulli Eisner has authored 32 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Organic Chemistry, 8 papers in Materials Chemistry and 7 papers in Molecular Biology. Recurrent topics in Ulli Eisner's work include Porphyrin and Phthalocyanine Chemistry (8 papers), Chemical Reaction Mechanisms (7 papers) and Synthesis and Characterization of Heterocyclic Compounds (4 papers). Ulli Eisner is often cited by papers focused on Porphyrin and Phthalocyanine Chemistry (8 papers), Chemical Reaction Mechanisms (7 papers) and Synthesis and Characterization of Heterocyclic Compounds (4 papers). Ulli Eisner collaborates with scholars based in United States and Singapore. Ulli Eisner's co-authors include Josef Kuthan, R. P. Linstead, J. A. Elvidge, John R. Williams, Brian W. Matthews, Herman Ziffer, Peter Hambright, David M. Bell, Charles W. Burnham and Abdullah Shamim and has published in prestigious journals such as Chemical Reviews, The Journal of Organic Chemistry and Tetrahedron.

In The Last Decade

Ulli Eisner

30 papers receiving 1.1k citations

Hit Papers

Chemistry of dihydropyridines 1972 2026 1990 2008 1972 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Chemistry of dihydropyridines
    1972 704 citations Ulli Eisner, Josef Kuthan Chemical Reviews profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ulli Eisner United States 15 822 335 288 153 81 32 1.2k
Hans Herloff Inhoffen Germany 19 586 0.7× 607 1.8× 556 1.9× 220 1.4× 145 1.8× 132 1.4k
Karl R. Kopecky Canada 17 910 1.1× 354 1.1× 135 0.5× 120 0.8× 164 2.0× 47 1.3k
R. P. Linstead United Kingdom 25 839 1.0× 388 1.2× 595 2.1× 246 1.6× 128 1.6× 77 1.6k
Rikuhei Tanikaga Japan 19 810 1.0× 752 2.2× 626 2.2× 267 1.7× 168 2.1× 74 1.6k
Hans Plieninger Germany 20 948 1.2× 417 1.2× 131 0.5× 88 0.6× 139 1.7× 156 1.4k
Carlyle B. Storm United States 16 215 0.3× 357 1.1× 400 1.4× 148 1.0× 153 1.9× 28 813
Walter Lwowski United States 26 1.3k 1.5× 343 1.0× 210 0.7× 133 0.9× 132 1.6× 73 1.8k
Michael P. Hartshorn New Zealand 19 1.1k 1.3× 332 1.0× 163 0.6× 134 0.9× 140 1.7× 145 1.5k
K. N. Houk United States 24 1.1k 1.4× 372 1.1× 241 0.8× 152 1.0× 231 2.9× 45 1.7k
C. Ouannés France 11 387 0.5× 148 0.4× 139 0.5× 37 0.2× 48 0.6× 16 697

Countries citing papers authored by Ulli Eisner

Since Specialization
Citations

This map shows the geographic impact of Ulli Eisner'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 Ulli Eisner with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ulli Eisner more than expected).

Fields of papers citing papers by Ulli Eisner

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ulli Eisner. 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 Ulli Eisner. The network helps show where Ulli Eisner may publish in the future.

Co-authorship network of co-authors of Ulli Eisner

This figure shows the co-authorship network connecting the top 25 collaborators of Ulli Eisner. A scholar is included among the top collaborators of Ulli Eisner based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ulli Eisner. Ulli Eisner is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Eisner, Ulli. (1980). ChemInform Abstract: THIEPINS AND DITHIINS. Chemischer Informationsdienst. 11(34).
2.
Eisner, Ulli, et al.. (1978). Free radical oxidation of dihydropyridines. Tetrahedron Letters. 19(3). 303–306. 7 indexed citations
3.
4.
Abbott, Patrick J., R. M. Acheson, Ulli Eisner, David J. Watkin, & J. R. Carruthers. (1975). Structures of 2:1 molar adducts from dimethyl acetylenedicarboxylate with thiazoles and related heterocycles. Journal of the Chemical Society Chemical Communications. 155–155. 11 indexed citations
5.
Eisner, Ulli & Josef Kuthan. (1972). Chemistry of dihydropyridines. Chemical Reviews. 72(1). 1–42. 704 indexed citations breakdown →
6.
7.
Eisner, Ulli & Thaiya Krishnamurthy. (1971). Synthesis and thermal rearrangement of m-dithiins. Tetrahedron. 27(23). 5753–5760. 5 indexed citations
8.
Eisner, Ulli, John R. Williams, Brian W. Matthews, & Herman Ziffer. (1970). The photochemistry of 3,5-disubstituted 1,4-dihydropyridines. Tetrahedron. 26(3). 899–909. 30 indexed citations
9.
Eisner, Ulli. (1969). Synthesis of 1,2-dihydropyridines. Journal of the Chemical Society D Chemical Communications. 1348–1348. 14 indexed citations
10.
Ashby, J., et al.. (1968). Heterocyclic rearrangements. Part IV. Formation and reactions of some azepines. Journal of the Chemical Society C Organic. 2311–2311. 5 indexed citations
11.
Ashby, J. & Ulli Eisner. (1967). Heterocyclic rearrangements. Part III. A novel sulphur-containing bicyclic system. Journal of the Chemical Society C Organic. 1706–1706. 1 indexed citations
12.
Eisner, Ulli, et al.. (1966). Substituent effects in the ultraviolet spectra of 1,4-dihydropyridines. Journal of the Chemical Society B Physical Organic. 1083–1083. 15 indexed citations
13.
Eisner, Ulli, et al.. (1965). 779. Heterocyclic rearrangements. Part I. The mechanism of a ring expansion. Journal of the Chemical Society (Resumed). 4226–4226. 3 indexed citations
14.
Eisner, Ulli, et al.. (1964). 788. Metalloporphyrins. Part I. Some novel demetallation reactions. Journal of the Chemical Society (Resumed). 4089–4089. 25 indexed citations
15.
Bullock, E., et al.. (1963). 921. Two novel rearrangement reactions. Journal of the Chemical Society (Resumed). 4819–4819. 18 indexed citations
16.
Eisner, Ulli & P. H. Gore. (1958). 186. The light absorption of pyrroles. Part I. Ultraviolet spectra. Journal of the Chemical Society (Resumed). 922–922. 12 indexed citations
17.
Eisner, Ulli, et al.. (1958). 195. The light absorption of pyrroles. Part II. Infrared spectra. Journal of the Chemical Society (Resumed). 971–971. 9 indexed citations
18.
Eisner, Ulli & R. P. Linstead. (1955). Chlorophyll and related substances. Part I. The synthesis of chlorin. Journal of the Chemical Society (Resumed). 3742–3742. 50 indexed citations
19.
Eisner, Ulli, J. A. Elvidge, & R. P. Linstead. (1953). 281. Polyene acids. Part VI. A new (cis-trans-)isomer of sorbic acid and its relation to hexenolactones. Journal of the Chemical Society (Resumed). 1372–1372. 29 indexed citations
20.
Eisner, Ulli, J. A. Elvidge, & R. P. Linstead. (1951). 345. Unsaturated lactones and related substances. Part V. Dihydro-β-ketomuconic acid and carboxy-lactones of the protoanemonin type. Journal of the Chemical Society (Resumed). 0(0). 1501–1512. 16 indexed citations

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.

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