Andreas Speicher

2.7k total citations · 2 hit papers
46 papers, 2.3k citations indexed

About

Andreas Speicher is a scholar working on Organic Chemistry, Ecology, Evolution, Behavior and Systematics and Molecular Biology. According to data from OpenAlex, Andreas Speicher has authored 46 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Organic Chemistry, 22 papers in Ecology, Evolution, Behavior and Systematics and 13 papers in Molecular Biology. Recurrent topics in Andreas Speicher's work include Bryophyte Studies and Records (21 papers), Lichen and fungal ecology (12 papers) and Botany and Plant Ecology Studies (9 papers). Andreas Speicher is often cited by papers focused on Bryophyte Studies and Records (21 papers), Lichen and fungal ecology (12 papers) and Botany and Plant Ecology Studies (9 papers). Andreas Speicher collaborates with scholars based in Germany, France and Switzerland. Andreas Speicher's co-authors include Theophil Eicher, Siegfried Hauptmann, Gerhard Bringmann, Matthias F. Groh, Michael Dreyer, Jörg Mühlbacher, Matthias Reichert, M. Güneş, Wenqiang Chang and Hong‐Xiang Lou and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and PLoS ONE.

In The Last Decade

Andreas Speicher

45 papers receiving 2.3k citations

Hit Papers

The Chemistry of Heterocycles 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
Andreas Speicher Germany 17 1.8k 394 168 155 151 46 2.3k
Julio A. Seijas Spain 23 917 0.5× 368 0.9× 72 0.4× 181 1.2× 133 0.9× 98 1.8k
Yoo Tanabe Japan 32 2.5k 1.4× 740 1.9× 282 1.7× 140 0.9× 167 1.1× 140 2.9k
Robert Faure France 25 1.0k 0.6× 704 1.8× 140 0.8× 148 1.0× 200 1.3× 142 2.1k
Theophil Eicher Germany 21 2.5k 1.4× 453 1.1× 241 1.4× 148 1.0× 98 0.6× 99 3.2k
Alain Fruchier France 22 813 0.5× 260 0.7× 161 1.0× 97 0.6× 233 1.5× 95 1.4k
Zhong Jin China 31 3.4k 1.9× 409 1.0× 296 1.8× 381 2.5× 68 0.5× 85 3.8k
Л. В. Спирихин Russia 15 793 0.4× 594 1.5× 87 0.5× 94 0.6× 87 0.6× 315 1.4k
A. Venkateswarlu India 17 1.9k 1.0× 896 2.3× 152 0.9× 236 1.5× 202 1.3× 30 2.4k
Manuel Nogueras Spain 36 3.3k 1.9× 817 2.1× 187 1.1× 367 2.4× 85 0.6× 260 4.0k
Takashi Harayama Japan 27 2.2k 1.2× 649 1.6× 86 0.5× 530 3.4× 83 0.5× 188 2.8k

Countries citing papers authored by Andreas Speicher

Since Specialization
Citations

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

Fields of papers citing papers by Andreas Speicher

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Andreas Speicher

This figure shows the co-authorship network connecting the top 25 collaborators of Andreas Speicher. A scholar is included among the top collaborators of Andreas Speicher 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 Andreas Speicher. Andreas Speicher 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.
Burgard, Caroline, Tobias Stemler, Stephan Maus, et al.. (2023). Radiometal Complexes as Pharmacokinetic Modifiers: A Potent 68Ga-Labeled Gastrin-Releasing Peptide Receptor Antagonist Based on the Macrocyclic Metal Chelator NODIA-Me. Molecular Pharmaceutics. 20(12). 6463–6473. 1 indexed citations
2.
Nikolaev, Anton, Andreas Speicher, Thorsten Friedrich, et al.. (2021). Identification and optimization of quinolone-based inhibitors against cytochrome bd oxidase using an electrochemical assay. Electrochimica Acta. 381. 138293–138293. 9 indexed citations
3.
Marx, Lisa, et al.. (2021). Atroposelective Synthesis of Isoriccardin C through a C−H Activated Heck Type Macrocyclization. European Journal of Organic Chemistry. 2021(9). 1351–1354. 7 indexed citations
4.
Marx, Lisa, et al.. (2018). Access to the Enantiopure Axially Chiral Cyclophane Isoplagiochin D through Atropo‐diastereoselective Heck Coupling. Angewandte Chemie International Edition. 57(29). 9160–9164. 15 indexed citations
5.
Mohammed, Hamdoon A., et al.. (2013). Synthesis of chromenoindole derivatives from Robinia pseudoacacia. MedChemComm. 4(12). 1580–1580. 23 indexed citations
6.
Zhang, Li, Wenqiang Chang, Bin Sun, et al.. (2011). Bisbibenzyls, a New Type of Antifungal Agent, Inhibit Morphogenesis Switch and Biofilm Formation through Upregulation of DPP3 in Candida albicans. PLoS ONE. 6(12). e28953–e28953. 41 indexed citations
7.
Speicher, Andreas, et al.. (2010). Syntheses of Macrocyclic Bis(bibenzyl) Compounds Derived from Perrottetin E. European Journal of Organic Chemistry. 2010(35). 6760–6778. 30 indexed citations
8.
Speicher, Andreas, et al.. (2009). Ring strain and total syntheses of modified macrocycles of the isoplagiochin type. Beilstein Journal of Organic Chemistry. 5. 71–71. 15 indexed citations
9.
Scher, Jochen M., Josef Zapp, Hans Becker, et al.. (2004). Optically active bisbibenzyls from Bazzania trilobata: isolation and stereochemical analysis by chromatographic, chiroptical, and computational methods. Tetrahedron. 60(44). 9877–9881. 27 indexed citations
10.
Speicher, Andreas, et al.. (2003). First detection of a chloroperoxidase in bryophytes. Phytochemistry. 62(5). 679–682. 13 indexed citations
11.
Speicher, Andreas, Klaus Hollemeyer, & Elmar Heinzle. (2001). Rapid detection of multiple chlorinated bis(bibenzyls) in bryophyte crude extracts using laser desorption/ionization time-of-flight mass spectrometry. Rapid Communications in Mass Spectrometry. 15(2). 124–127. 5 indexed citations
12.
Speicher, Andreas, Klaus Hollemeyer, & Elmar Heinzle. (2001). Rapid detection of chlorinated bisbibenzyls in Bazzania trilobata using MALDI-TOF mass spectrometry. Phytochemistry. 57(2). 303–306. 8 indexed citations
13.
Speicher, Andreas, Tobias Schulz, & Theophil Eicher. (1999). trans-Di(μ-acetato)-bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II). Journal für praktische Chemie. 341(6). 605–608. 7 indexed citations
14.
Eicher, Theophil, et al.. (1998). Bryophyte Constituents. Part 9. Syntheses of Cyclic Bisbibenzyl Systems.. European Journal of Organic Chemistry. 877–888. 2 indexed citations
15.
Eicher, Theophil, et al.. (1998). Syntheses of Cyclic Bisbibenzyl Systems. European Journal of Organic Chemistry. 1998(5). 877–888. 67 indexed citations
16.
Speicher, Andreas, et al.. (1997). Synthese der isomeren 1H-Pyrrolo[3,2-b] und 3H-Pyrrolo[3,2-c]phenoxathiine. Journal für praktische Chemie. 339(1). 669–671. 2 indexed citations
17.
Speicher, Andreas, et al.. (1997). 3,4-dihydroxy-3′-methoxystilbene, the first monomeric stilbene derivative from bryophytes. Phytochemistry. 45(8). 1613–1615. 10 indexed citations
18.
Speicher, Andreas, et al.. (1996). Synthese von Moosinhaltsstoffen. 8. Sphagnums�ure und ihre Abbauprodukte. Journal für praktische Chemie. 338(1). 706–710. 4 indexed citations
19.
Eicher, Theophil, et al.. (1996). Bryophyte Constituents; 6: Synthesis of Herbertene-Derived Sesquiterpenes from Herberta adunca. Synthesis. 1996(7). 863–870. 18 indexed citations
20.
Eicher, Theophil, Siegfried Hauptmann, & Andreas Speicher. (1995). The Chemistry of Heterocycles: Structure, Reactions, Syntheses, and Applications. Medical Entomology and Zoology. 594 indexed citations breakdown →

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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