Bernhard Witkop

16.5k total citations · 5 hit papers
296 papers, 11.9k citations indexed

About

Bernhard Witkop is a scholar working on Molecular Biology, Organic Chemistry and Spectroscopy. According to data from OpenAlex, Bernhard Witkop has authored 296 papers receiving a total of 11.9k indexed citations (citations by other indexed papers that have themselves been cited), including 148 papers in Molecular Biology, 127 papers in Organic Chemistry and 32 papers in Spectroscopy. Recurrent topics in Bernhard Witkop's work include Chemical Synthesis and Analysis (39 papers), Analytical Chemistry and Chromatography (24 papers) and Chemical synthesis and alkaloids (24 papers). Bernhard Witkop is often cited by papers focused on Chemical Synthesis and Analysis (39 papers), Analytical Chemistry and Chromatography (24 papers) and Chemical synthesis and alkaloids (24 papers). Bernhard Witkop collaborates with scholars based in United States, Japan and Belgium. Bernhard Witkop's co-authors include John W. Daly, Erhard Gross, Sidney Udenfriend, Reinhard Sarges, Donald M. Jerina, D. M. JERINA, Siro Senoh, James B. Patrick, Perola Zaltzman-Nirenberg and William Lawson and has published in prestigious journals such as Nature, Science and Chemical Reviews.

In The Last Decade

Bernhard Witkop

291 papers receiving 10.4k citations

Hit Papers

Nonenzymatic Cleavage of ... 1960 2026 1982 2004 1962 1972 1967 1960 1970 250 500 750
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. Nonenzymatic Cleavage of Peptide Bonds: The Methionine Residues in Bovine Pancreatic Ribonuclease
    1962 827 citations Bernhard Witkop et al. profile →
  2. Arene oxides and the NIH shift: The metabolism, toxicity and carcinogenicity of aromatic compounds
    1972 488 citations John W. Daly, Bernhard Witkop et al. profile →
  3. Hydroxylation-Induced Migration: The NIH Shift
    1967 384 citations John W. Daly, Bernhard Witkop et al. profile →
  4. A Rapid Spectrophotometric Assay of Monoamine Oxidase Based on the Rate of Disappearance of Kynuramine
    1960 375 citations Herbert Weissbach, John W. Daly et al. profile →
  5. 1,2-Naphthalene oxide as an intermediate in the microsomal hydroxylation of naphthalene. V
    1970 343 citations John W. Daly, Bernhard Witkop et al. Biochemistry profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Bernhard Witkop 6.0k 3.5k 1.2k 1.1k 1.1k 296 11.9k
Henry M. Fales 4.2k 0.7× 1.7k 0.5× 2.1k 1.8× 585 0.5× 1.1k 1.0× 312 12.1k
Henry Rapoport 6.0k 1.0× 7.5k 2.2× 929 0.8× 1.0k 0.9× 458 0.4× 401 12.8k
S. Brøgger Christensen 5.0k 0.8× 2.4k 0.7× 390 0.3× 772 0.7× 770 0.7× 285 10.6k
Thomas P. Singer 8.7k 1.4× 1.2k 0.3× 807 0.7× 509 0.5× 2.8k 2.5× 399 16.9k
Angelo Azzi 8.7k 1.4× 2.3k 0.7× 632 0.5× 304 0.3× 1.4k 1.2× 328 16.0k
Wolfgang Voelter 6.6k 1.1× 3.2k 0.9× 1.2k 1.0× 234 0.2× 1.1k 1.0× 748 14.5k
Dale E. Edmondson 6.6k 1.1× 2.6k 0.7× 615 0.5× 448 0.4× 1.4k 1.3× 207 13.3k
Pierre Potìer 3.3k 0.5× 4.1k 1.2× 324 0.3× 1.4k 1.3× 323 0.3× 351 8.2k
Monroe E. Wall 9.3k 1.5× 2.7k 0.8× 310 0.3× 962 0.9× 480 0.4× 261 16.2k
Ned A. Porter 6.1k 1.0× 7.2k 2.1× 1.5k 1.3× 455 0.4× 381 0.3× 331 16.9k

Countries citing papers authored by Bernhard Witkop

Since Specialization
Citations

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

Fields of papers citing papers by Bernhard Witkop

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Bernhard Witkop

This figure shows the co-authorship network connecting the top 25 collaborators of Bernhard Witkop. A scholar is included among the top collaborators of Bernhard Witkop 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 Bernhard Witkop. Bernhard Witkop 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.
Weissbach, Herbert & Bernhard Witkop. (2003). Sidney Udenfriend.. PubMed. 83. 270–98. 1 indexed citations
2.
Witkop, Bernhard. (1999). Paul Ehrlich and his Magic bullets--revisited.. PubMed. 143(4). 540–57. 35 indexed citations
3.
Witkop, Bernhard & Manfred Eigen. (1998). Theodor Hermann Felix Wieland (5 June 1913-24 November 1995).. PubMed. 142(2). 317–9. 1 indexed citations
4.
Witkop, Bernhard. (1992). Remembering Heinrich Wieland (1877–1957) portrait of an organic chemist and founder of modern biochemistry. Medicinal Research Reviews. 12(3). 195–274. 13 indexed citations
5.
Witkop, Bernhard. (1992). Peptides in health and disease: Retrospection and outlook. Medicinal Research Reviews. 12(3). 275–296. 1 indexed citations
6.
Witkop, Bernhard. (1991). Retro-, Intro- and Perspectives of Trypto-Fun. Advances in experimental medicine and biology. 294. 3–13. 3 indexed citations
7.
Maleque, M A, et al.. (1984). Interaction of analogs of histrionicotoxin with the acetylcholine receptor ionic channel complex and membrane excitability.. Journal of Pharmacology and Experimental Therapeutics. 229(1). 72–79. 4 indexed citations
8.
Torrence, Paul F., et al.. (1976). Antiviral Activity of Poly(7-deazainosinic acid)-Derived Complexes in Vitro and in Vivo. Molecular Pharmacology. 12(6). 1045–1051. 19 indexed citations
9.
Karle, Isabella L., J. Karle, Theodor Wieland, W. Bürgermeister, & Bernhard Witkop. (1976). Conformation of uncomplexed [Phe4, Val6] antamanide crystallized from nonpolar solvents.. Proceedings of the National Academy of Sciences. 73(6). 1782–1785. 21 indexed citations
10.
Clercq, Erik De, Paul F. Torrence, James A. Waters, & Bernhard Witkop. (1975). Antiviral activity of 5-thiocyanatopyrimidine nucleosides. Biochemical Pharmacology. 24(23). 2171–2175. 8 indexed citations
11.
Tokuyama, T., et al.. (1974). Allenic and Acetylenic Spiropiperidine Alkaloids from the Neotropical Forg, Dendrobates histrionicus. Helvetica Chimica Acta. 57(8). 2597–2604. 69 indexed citations
12.
Witkop, Bernhard, et al.. (1971). Alkali sensitivity of 3-methylpyrimidine nucleosides. Journal of the American Chemical Society. 93(14). 3527–3529. 5 indexed citations
13.
Wilchek, Meir, Thomas F. Spande, George M. Milne, & Bernhard Witkop. (1968). The nonenzymic conversion of tyrosine into mono- and dihydroxyindoles. Biochemistry. 7(5). 1777–1786. 11 indexed citations
14.
Robertson, A. V., E. Katz, & Bernhard Witkop. (1962). The Preparation of 4-H3-Hydroxy- and 4-H3-Allohydroxy-L-proline. The Journal of Organic Chemistry. 27(7). 2676–2677. 6 indexed citations
15.
Märki, F., Julius Axelrod, & Bernhard Witkop. (1962). Catecholamines and methyltransferases in the South American toad (Bufo marinus). Biochimica et Biophysica Acta. 58(2). 367–369. 26 indexed citations
16.
Cohen, Louis A., et al.. (1960). Nuclear Magnetic Resonance Spectra of Indoles. Journal of the American Chemical Society. 82(9). 2184–2187. 58 indexed citations
17.
Goodwin, Sidney & Bernhard Witkop. (1954). Chemistry of Dihydroxyfumaric Acid. Journal of the American Chemical Society. 76(22). 5599–5603. 15 indexed citations
18.
Prelog, V., James B. Patrick, & Bernhard Witkop. (1952). Zum „Hofmann'schen Abbau„ des Gelsemins. Helvetica Chimica Acta. 35(2). 640–641. 4 indexed citations
19.
Witkop, Bernhard & James B. Patrick. (1951). Addition Reactions and Wagner-Meerwein Rearrangements in the Indoxyl Series. Journal of the American Chemical Society. 73(2). 713–718. 64 indexed citations
20.
Witkop, Bernhard, James B. Patrick, & Myron Rosenblum. (1951). Ring Effects in Autoxidation. A New Type of Camps Reaction1,2. Journal of the American Chemical Society. 73(6). 2641–2647. 88 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 Henry M. Fales Breakdown of academic impact, for papers by Henry Rapoport Breakdown of academic impact, for papers by S. Brøgger Christensen Breakdown of academic impact, for papers by Thomas P. Singer Breakdown of academic impact, for papers by Angelo Azzi Breakdown of academic impact, for papers by Wolfgang Voelter Breakdown of academic impact, for papers by Dale E. Edmondson Breakdown of academic impact, for papers by Pierre Potìer Breakdown of academic impact, for papers by Monroe E. Wall Breakdown of academic impact, for papers by Ned A. Porter
Rankless by CCL
2026