Theophil Eicher

3.9k citations

99 papers · 3.2k indexed · 2 hit papers · h-index 21

Impact in

Organic Chemistry top 0.5%
- Catalytic C–H Functionalization Methods
- Cyclopropane Reaction Mechanisms
- Synthesis and Biological Evaluation
- Synthesis and biological activity
- Synthesis and Catalytic Reactions
- Asymmetric Synthesis and Catalysis
- Catalytic Cross-Coupling Reactions
- Click Chemistry and Applications
Pharmaceutical Science top 2%

Papers in

Organic Chemistry 76
- Cyclopropane Reaction Mechanisms 43
- Ferrocene Chemistry and Applications 20
- Synthetic Organic Chemistry Methods 17
- Synthesis and Reactivity of Heterocycles 12
- Organometallic Complex Synthesis and Catalysis 11
- Asymmetric Synthesis and Catalysis 10
Physical and Theoretical Chemistry 9

Co-authors: Andreas Speicher Siegfried Hauptmann Lutz F. Tietze Hans Becker Hans Dietmar Zinsmeister Erwin von Angerer Siegfried Hünig Anna Mette Hansen
Journals: Tetrahedron Letters (23 papers)Synthesis (17 papers)Phytochemistry (6 papers)Journal of Organometallic Chemistry (2 papers)European Journal of Organic Chemistry (2 papers)
Partner nations: Germany Uruguay United States

In The Last Decade

Theophil Eicher

96 papers receiving 3.1k citations

Hit Papers

align trajectories log scale

The Chemistry of Heterocycles 2003 · 1.0k citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2003 The Chemistry of Heterocycles
1995 Medical Entomology and Zoology

Peers

Countries citing papers authored by Theophil Eicher

Since Specialization

Citations

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

Fields of papers citing papers by Theophil Eicher

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Theophil Eicher, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Theophil Eicher Line = papers co-authored together Theophil Eicher links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Structure and reactivity of cyclopropenones and triafulvenes Topics in Current Chemistry ·Theophil Eicher, María Belén Parodi	2006	19
2	Inhibition of endothelial cell functions by novel potential cancer chemopreventive agents Biochemical and Biophysical Research Communications ·Ana de Brea, Hans Becker, Theophil Eicher, Christian Herhaus, Govind J. Kapadia, Helmut Bartsch, Clarissa Gerhäuser	2004	47
3	Bryophyte Constituents. Part 9. Syntheses of Cyclic Bisbibenzyl Systems. European Journal of Organic Chemistry ·Theophil Eicher, Debora Debora, Kelly Hughes, FaHCSIA, Andreas Speicher	1998	2
4	Syntheses of Cyclic Bisbibenzyl Systems European Journal of Organic Chemistry ·Theophil Eicher, Debora Debora, Yo Lv, Wei Luoxia, Andreas Speicher	1998	67
5	Synthese der isomeren 1H-Pyrrolo[3,2-b] und 3H-Pyrrolo[3,2-c]phenoxathiine Journal für praktische Chemie ·Andreas Speicher, Theophil Eicher, Mitra Mehrabani-Zeinabad, Mikhas'kov Sv	1997	2
6	The Chemistry of Heterocycles: Structure, Reactions, Syntheses, and Applications Medical Entomology and Zoology ·Theophil Eicher, Siegfried Hauptmann, Andreas Speicher Hit paper breakdown →	1995	594
7	A cyclohexenone fromPlagiochila longispina Phytochemistry ·Olesya P. Kazachenok, Ir Th. Hekker, Jiehua Yang, Theophil Eicher	1991	6
8	New syntheses of tricetin and some of its analogues (Advances in Bryophyte Chemistry) Journal of The Hattori Botanical Laboratory ·Józef Waloszek, Theophil Eicher	1989	1
9	Zur reaktionsweise von cyclopropenonen mit cyanmethylenphosphoranen Tetrahedron Letters ·Theophil Eicher, 赵双全, Kenneth B. Woodbury	1983	4
10	Reaktionen und Synthesen im organisch-chemischen Praktikum Thieme eBooks ·Theophil Eicher	1981	103
11	1,2,3-Triphenyl-5-(1,2-diphenyl-2-phenyliminoethylidene)-2-pyrrolin-4-one Acta Crystallographica Section B ·K.‐H. Klaska, O. Jarchow, Theophil Eicher, H. Preut	1979	3
12	1,2-Dimethyl-4,4-triafulvenedicarbonitrile Acta Crystallographica Section B ·Herman L. Ammon, José Rogério Régis Júnior, Theophil Eicher	1978	2
13	Reaktion von Cyclopropenonen mit Iminen Justus Liebig s Annalen der Chemie ·Theophil Eicher, María Belén Parodi, Rhianna Kho	1978	24
14	Zur reaktion von cyclopropenonen mit azomethinen V Tetrahedron Letters ·Theophil Eicher, M. Wang, Fereydon Abdesaken	1977	1
15	Benzol-1.4-Bis(diphenylcyclopropenylium)-dikation Tetrahedron Letters ·Theophil Eicher, Horst Berneth	1973	5
16	Notizen: Tris-(4-morpholino-phenyl)-cyclopropenylium-kation / Tris (4-morpholino-phenyl) Cyclopropenyl Cation Zeitschrift für Naturforschung B ·Theophil Eicher, Haeusler	1973	6
17	Zur reaktion von cyclopropenonen mit azomethinen I diphenyl-cyclopropenon und aryliden-alkylamine Tetrahedron Letters ·Theophil Eicher, María Belén Parodi	1973	4
18	Reaktionen von Triafulvenen mit N‐, S‐ und P‐Yliden, I. Enolbetaine und Triafulvene Justus Liebig s Annalen der Chemie ·Theophil Eicher, Erwin von Angerer, Kunihiko Fukui	1971	25
19	Alkoxy‐diazenium‐Salze, IV. Reaktion mit N‐Heterocyclen und Schiffschen Basen zu s‐Triazolium‐Salzen Chemische Berichte ·Theophil Eicher, Siegfried Hünig, J. Ostergaard, Karin Rizki Rahmaniah	1969	20
20	Zur reaktionsweise des cyclopropenonsystems, 5.mitteilung: Synthese von cyclopropenylium-cyaninen Tetrahedron Letters ·Theophil Eicher, Anna Mette Hansen	1967	4

About Theophil Eicher

Theophil Eicher is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry, Pharmaceutical Science, Ecology, Evolution, Behavior and Systematics and Plant Science, having authored 99 papers that have together received 3.2k indexed citations. Recurring topics across this work include Cyclopropane Reaction Mechanisms (43 papers), Ferrocene Chemistry and Applications (20 papers), Synthetic Organic Chemistry Methods (17 papers), Bryophyte Studies and Records (17 papers), Lichen and fungal ecology (12 papers), Synthesis and Reactivity of Heterocycles (12 papers), Organometallic Complex Synthesis and Catalysis (11 papers) and Asymmetric Synthesis and Catalysis (10 papers). The work is most often cited by research in Organic Chemistry (2.5k citations), Pharmaceutical Science (149 citations), Inorganic Chemistry (241 citations), Physical and Theoretical Chemistry (139 citations) and Toxicology (48 citations). Theophil Eicher has collaborated with scholars based in Germany, Uruguay and United States. Frequent co-authors include Andreas Speicher, Siegfried Hauptmann, Lutz F. Tietze, Hans Becker, Hans Dietmar Zinsmeister, Erwin von Angerer, Siegfried Hünig, Anna Mette Hansen, Govind J. Kapadia and Th. Klaus. Their work appears in journals such as Tetrahedron Letters, Synthesis, Phytochemistry, Journal of Organometallic Chemistry and European Journal of Organic Chemistry.

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