Siegfried Hauptmann

2.1k total citations · 2 hit papers
37 papers, 1.8k citations indexed

About

Siegfried Hauptmann is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry and Pharmaceutical Science. According to data from OpenAlex, Siegfried Hauptmann has authored 37 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Organic Chemistry, 9 papers in Physical and Theoretical Chemistry and 5 papers in Pharmaceutical Science. Recurrent topics in Siegfried Hauptmann's work include Inorganic and Organometallic Chemistry (7 papers), Synthesis and Biological Evaluation (6 papers) and Fluorine in Organic Chemistry (5 papers). Siegfried Hauptmann is often cited by papers focused on Inorganic and Organometallic Chemistry (7 papers), Synthesis and Biological Evaluation (6 papers) and Fluorine in Organic Chemistry (5 papers). Siegfried Hauptmann collaborates with scholars based in Germany and United States. Siegfried Hauptmann's co-authors include Theophil Eicher, Andreas Speicher, Horst Wilde, Gerhard Mann, Wilhelm Treibs, Dieter Sicker, Günther Weber, Manfred Weißenfels, Rainer Herzschüh and Lothar Hennig and has published in prestigious journals such as Tetrahedron, Carbohydrate Research and Synthesis.

In The Last Decade

Siegfried Hauptmann

33 papers receiving 1.7k citations

Hit Papers

The Chemistry of Heterocy... 1995 2026 2005 2015 2003 1995 250 500 750 1000
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. The Chemistry of Heterocycles
    2003 1.0k citations Theophil Eicher, Siegfried Hauptmann et al. profile →
  2. The Chemistry of Heterocycles: Structure, Reactions, Syntheses, and Applications
    1995 594 citations Theophil Eicher, Siegfried Hauptmann et al. Medical Entomology and Zoology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Siegfried Hauptmann Germany 8 1.6k 185 148 95 70 37 1.8k
Martin Nilsson Sweden 20 919 0.6× 134 0.7× 233 1.6× 75 0.8× 66 0.9× 91 1.2k
S. Hoff Netherlands 8 838 0.5× 229 1.2× 123 0.8× 106 1.1× 52 0.7× 20 1.1k
Rolf Borsdorf Germany 14 659 0.4× 133 0.7× 166 1.1× 132 1.4× 38 0.5× 106 969
Kalpataru Das India 23 883 0.6× 263 1.4× 261 1.8× 123 1.3× 66 0.9× 68 1.3k
Ian Gosney United Kingdom 18 1.1k 0.7× 184 1.0× 146 1.0× 215 2.3× 56 0.8× 85 1.2k
Jürgen Voß Germany 17 859 0.5× 151 0.8× 105 0.7× 144 1.5× 34 0.5× 133 1.1k
Milorad M. Rogić United States 20 913 0.6× 181 1.0× 265 1.8× 98 1.0× 49 0.7× 54 1.1k
M. Mühlstädt Germany 15 972 0.6× 204 1.1× 85 0.6× 95 1.0× 116 1.7× 226 1.2k
Yoshimori Omote Japan 16 1.1k 0.7× 254 1.4× 70 0.5× 168 1.8× 177 2.5× 201 1.3k
Willy Dumont Belgium 21 1.5k 0.9× 220 1.2× 341 2.3× 127 1.3× 61 0.9× 87 1.7k

Countries citing papers authored by Siegfried Hauptmann

Since Specialization
Citations

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

Fields of papers citing papers by Siegfried Hauptmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Siegfried Hauptmann

This figure shows the co-authorship network connecting the top 25 collaborators of Siegfried Hauptmann. A scholar is included among the top collaborators of Siegfried Hauptmann 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 Siegfried Hauptmann. Siegfried Hauptmann 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.
Eicher, Theophil, Siegfried Hauptmann, & Andreas Speicher. (1995). The Chemistry of Heterocycles: Structure, Reactions, Syntheses, and Applications. Medical Entomology and Zoology. 594 indexed citations breakdown →
2.
Hauptmann, Siegfried, et al.. (1992). Optimierte Synthesen f�r Methyl- und Natrium-2-oxo-D-gluconat als Synthesebausteine. Journal für praktische Chemie. 334(6). 537–539. 7 indexed citations
3.
Hauptmann, Siegfried. (1991). Reaktion und Mechanismus in der organischen Chemie. 1 indexed citations
4.
Hauptmann, Siegfried, et al.. (1988). Synthese und Farbstoffbildung von Benzo [1,2‐b:5,4‐b']bis(1H‐imidazo[1,2‐b]pyrazolen). Zeitschrift für Chemie. 28(12). 441–442. 4 indexed citations
5.
Hauptmann, Siegfried, et al.. (1986). Heterocyclen aus Dehydroascorbinsäure. Zeitschrift für Chemie. 26(7). 249–250.
6.
7.
Weber, Günther, Gerhard Mann, Horst Wilde, & Siegfried Hauptmann. (1980). Synthese von 2H‐1,2, 3‐Triazol‐4‐carbonsäuren aus 4, 4‐Diazido‐2‐pyrazolin‐5‐onen durch Ringtransformation. Zeitschrift für Chemie. 20(12). 437–438. 8 indexed citations
8.
Hauptmann, Siegfried, et al.. (1978). Statistical basis of chemical equilibria. Journal of Chemical Education. 55(9). 578–578. 2 indexed citations
9.
10.
11.
Hauptmann, Siegfried, et al.. (1976). p‐Toluolsulfonsäuresalze von Oximen und ihre Überführung in Nitrile und in Tetrazole. Zeitschrift für Chemie. 16(1). 17–17. 6 indexed citations
12.
Kleinpeter, Erich, et al.. (1976). NMR‐Untersuchungen an Pyrazolo[3,2‐c]pyrido[4,3‐e] [1,2,4]triazinen, Pyrazolo[3,2‐c] [1,2,4]benzotriazinen und ihren 5‐N‐Oxiden. Zeitschrift für Chemie. 16(9). 366–367. 2 indexed citations
13.
Hauptmann, Siegfried, et al.. (1973). Die Chlorformylierung des 4‐Methyl‐pentanon‐(2). Zeitschrift für Chemie. 13(3). 97–98. 1 indexed citations
14.
Hauptmann, Siegfried. (1973). Über den Ablauf organisch-chemischer Reaktionen.
15.
Hauptmann, Siegfried, et al.. (1971). Synthese basisch substituierter Isonitrosocarbonylverbindungen. Zeitschrift für Chemie. 11(1). 11–11. 1 indexed citations
16.
Hauptmann, Siegfried, et al.. (1969). Substituierte Thiophene und Pyrrole aus 2‐Chlor‐vinylketonen. Zeitschrift für Chemie. 9(1). 22–22. 11 indexed citations
17.
Hauptmann, Siegfried, et al.. (1968). Mannich‐Basen 2,3‐disubstituierter 4‐Oxocyclohexeno(b)‐pyrrole und 4‐Oxocyclohepteno(b)pyrrole. Zeitschrift für Chemie. 8(9). 334–334. 5 indexed citations
18.
Hauptmann, Siegfried & Horst Wilde. (1968). Über den Mechanismus der Hydrazonbildung aus α‐Halogen‐ketonen und Hydrazin. Chemische Berichte. 101(4). 1349–1353. 1 indexed citations
19.
Hauptmann, Siegfried, et al.. (1967). Notiz zur Darstellung von 2‐Chlor‐ und 2‐Brom‐acenaphthenon. Zeitschrift für Chemie. 7(9). 351–351. 4 indexed citations
20.
Hauptmann, Siegfried. (1960). Die Einwirkung von Thionylchlorid auf die durch Grignardierung von Phenanthrenchinon erhältlichen Pinakone. Chemische Berichte. 93(11). 2604–2612. 12 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Martin Nilsson Breakdown of academic impact, for papers by S. Hoff Breakdown of academic impact, for papers by Rolf Borsdorf Breakdown of academic impact, for papers by Kalpataru Das Breakdown of academic impact, for papers by Ian Gosney Breakdown of academic impact, for papers by Jürgen Voß Breakdown of academic impact, for papers by Milorad M. Rogić Breakdown of academic impact, for papers by M. Mühlstädt Breakdown of academic impact, for papers by Yoshimori Omote Breakdown of academic impact, for papers by Willy Dumont
Rankless by CCL
2026