Karl Öfele

7.2k total citations · 3 hit papers
79 papers, 6.0k citations indexed

About

Karl Öfele is a scholar working on Organic Chemistry, Inorganic Chemistry and Oncology. According to data from OpenAlex, Karl Öfele has authored 79 papers receiving a total of 6.0k indexed citations (citations by other indexed papers that have themselves been cited), including 76 papers in Organic Chemistry, 16 papers in Inorganic Chemistry and 8 papers in Oncology. Recurrent topics in Karl Öfele's work include Organometallic Complex Synthesis and Catalysis (35 papers), Catalytic Cross-Coupling Reactions (32 papers) and N-Heterocyclic Carbenes in Organic and Inorganic Chemistry (23 papers). Karl Öfele is often cited by papers focused on Organometallic Complex Synthesis and Catalysis (35 papers), Catalytic Cross-Coupling Reactions (32 papers) and N-Heterocyclic Carbenes in Organic and Inorganic Chemistry (23 papers). Karl Öfele collaborates with scholars based in Germany, United States and United Kingdom. Karl Öfele's co-authors include Wolfgang A. Herrmann, Matthias Beller, Christoph Broßmer, Hartmut Fischer, Claus‐Peter Reisinger, Thomas Priermeier, Ernst Otto Fischer, Eberhardt Herdtweck, Sabine Schneider and Wolfgang Scherer and has published in prestigious journals such as Chemical Reviews, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

Karl Öfele

79 papers receiving 5.8k citations

Hit Papers

align trajectories

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.

Palladacycles as Structurally Defined Catalysts for the Heck Olefination of Chloro‐ and Bromoarenes

1995 726 citations Wolfgang A. Herrmann, Karl Öfele et al. profile →
1,3-Dimethyl-4-imidazolinyliden-(2)-pentacarbonylchrom ein neuer übergangsmetall-carben-komplex

1968 723 citations Karl Öfele Journal of Organometallic Chemistry profile →
Palladacycles: Efficient New Catalysts for the Heck Vinylation of Aryl Halides

1997 377 citations Wolfgang A. Herrmann, Karl Öfele et al. profile →

Peers

Karl Öfele

ONCOL

Wolf Peter Fehlhammer Germany

Helmut Fischer Germany

J. Fraanje Netherlands

Pedro Valerga Spain

Robert A. Gossage Canada

Mitsuo Komatsu Japan

Kazuhide Tani Japan

Ulrich Behrens Germany

Yi‐Hung Tsay Germany

Han Vinh Huynh Singapore

Wolf Peter Fehlhammer Germany

Karl Öfele

3.5k ×0.6

1.2k ×0.9

341 ×1.1

440 ×1.4

ONCOL

186 ×0.6

Citations per year, relative to Karl Öfele Karl Öfele (= 1×) peers Wolf Peter Fehlhammer

Countries citing papers authored by Karl Öfele

Since Specialization

Citations

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

Fields of papers citing papers by Karl Öfele

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karl Öfele

This figure shows the co-authorship network connecting the top 25 collaborators of Karl Öfele. A scholar is included among the top collaborators of Karl Öfele 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 Karl Öfele. Karl Öfele is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Schaper, Lars‐Arne, Karl Öfele, Renat Kadyrov, et al.. (2012). N-Heterocyclic carbenes via abstraction of ammonia: ‘normal’ carbenes with ‘abnormal’ character. Chemical Communications. 48(32). 3857–3857. 38 indexed citations

Öfele, Karl, et al.. (2009). Complexation of (5H)-Dibenzo[a,d]cyclohepten-5-ylidene to Palladium(II) via the Diazo Route and Evidence of C−H···Pd Interactions. Organometallics. 28(15). 4254–4257. 27 indexed citations

Öfele, Karl, et al.. (2008). Carbocyclic carbene ligands in palladium-catalyzed C–N coupling reactions. Journal of Organometallic Chemistry. 693(13). 2231–2236. 27 indexed citations

Herrmann, Wolfgang A., Karl Öfele, Sabine Schneider, Eberhardt Herdtweck, & Stephan D. Hoffmann. (2006). A Carbocyclic Carbene as an Efficient Catalyst Ligand for CC Coupling Reactions. Angewandte Chemie International Edition. 45(23). 3859–3862. 83 indexed citations

Herrmann, Wolfgang A., Karl Öfele, Sabine Schneider, Eberhardt Herdtweck, & Stephan D. Hoffmann. (2006). Ein carbocyclisches Carben als effizienter Katalysatorligand für C‐C‐Kupplungen. Angewandte Chemie. 118(23). 3943–3947. 26 indexed citations

Frey, Guido D., et al.. (2005). Tetrazole and triazole carbene complexes of group 6 metal carbonyls. Inorganica Chimica Acta. 359(9). 2622–2634. 18 indexed citations

Herrmann, Wolfgang A., Sabine Schneider, Karl Öfele, Masato Sakamoto, & Eberhardt Herdtweck. (2004). First silver complexes of tetrahydropyrimid-2-ylidenes. Journal of Organometallic Chemistry. 689(15). 2441–2449. 104 indexed citations

Abram, Ulrich, et al.. (1998). (Bu4N)[Re{NB(C6F5)3}Cl4(OH2)] - Struktur und EPR-Spektren. Zeitschrift für anorganische und allgemeine Chemie. 624(6). 934–936. 14 indexed citations

Herrmann, Wolfgang A., et al.. (1995). Zum mechanismus der heck-reaktion: Katalysator-deaktivierung durch PC-bindungsbruch. Journal of Organometallic Chemistry. 491(1-2). C1–C4. 70 indexed citations

10.

Öfele, Karl, et al.. (1993). Synthese eines 2H‐Inden‐2‐on‐Dianion‐Komplexes durch Reduktion eines metallgebundenen Dicarbens. Chemische Berichte. 126(12). 2573–2578. 3 indexed citations

11.

Filippou, Alexander C., Ernst Otto Fischer, Karl Öfele, & Helmut G. Alt. (1986). Übergangsmetall-carbin-komplexe. Journal of Organometallic Chemistry. 308(1). 11–17. 18 indexed citations

12.

Öfele, Karl, et al.. (1983). Additions and Corrections - Migration of Tricarbonylchromium Groups in Phenylanthracenes.. Journal of the American Chemical Society. 105(25). 7474–7475. 1 indexed citations

13.

Öfele, Karl, et al.. (1976). Übergangsmetall-π-Komplexe mit ungesättigten und aromatischen Heterocyclen, IV π-Komplexe methylsubstituierter Pyridinderivate mit Chrom(0).. Zeitschrift für Naturforschung B. 31(3). 321–323. 21 indexed citations

14.

Rieke, Reuben D., Karl Öfele, & E. O. Fischer. (1974). Activated metals. Journal of Organometallic Chemistry. 76(1). C19–C21. 6 indexed citations

15.

Öfele, Karl & Cornelius G. Kreiter. (1972). (1.4‐Dimethyl‐tetrazolium)‐carbonylferrate, Ausgangsprodukte für (1.4‐Dimethyl‐tetrazolinyliden)‐ und Bis(methylamino)carben‐Komplexe. Chemische Berichte. 105(2). 529–540. 74 indexed citations

16.

Öfele, Karl, et al.. (1971). Cr(CO)3-π-komplexe von pyrrol und pyrrolderivaten. Journal of Organometallic Chemistry. 30(2). 211–220. 42 indexed citations

17.

Öfele, Karl. (1967). Über Metall‐Carbonyl‐π‐Komplexe von Dihydropyridinderivaten. Angewandte Chemie. 79(22). 1008–1009. 3 indexed citations

18.

Fischer, Ernst Otto, et al.. (1962). Über Cyclopentadienyl‐metall‐tetracarbonyl‐Kationen des Molybdän (II) und Wolfram (II)und ein Mangan (I)‐hexacarbonyl‐Kation. Chemische Berichte. 95(1). 249–252. 54 indexed citations

19.

Fischer, Ernst Otto & Karl Öfele. (1959). Notizen: Methylpyridin-chrom(0)-tricarbonyl. Zeitschrift für Naturforschung B. 14(11). 736–737. 18 indexed citations

20.

Fischer, Ernst Otto, et al.. (1958). Über Aromatenkomplexe von Metallen, XXIV. Über gemischte Tricarbonylkomplexe des Chroms, Molybdäns und Wolframs mit Benzol und seinen Derivaten. Chemische Berichte. 91(12). 2763–2772. 135 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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