James A. Bull

7.3k total citations · 3 hit papers
119 papers, 5.8k citations indexed

About

James A. Bull is a scholar working on Organic Chemistry, Molecular Biology and Pharmaceutical Science. According to data from OpenAlex, James A. Bull has authored 119 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 110 papers in Organic Chemistry, 20 papers in Molecular Biology and 13 papers in Pharmaceutical Science. Recurrent topics in James A. Bull's work include Synthesis and Catalytic Reactions (70 papers), Catalytic C–H Functionalization Methods (56 papers) and Sulfur-Based Synthesis Techniques (26 papers). James A. Bull is often cited by papers focused on Synthesis and Catalytic Reactions (70 papers), Catalytic C–H Functionalization Methods (56 papers) and Sulfur-Based Synthesis Techniques (26 papers). James A. Bull collaborates with scholars based in United Kingdom, United States and Italy. James A. Bull's co-authors include André B. Charette, James J. Mousseau, Guillaume Pelletier, Renzo Luisi, Owen A. Davis, Sahra St John‐Campbell, Leonardo Degennaro, Robert Doran, Rosemary A. Croft and Dominic P. Affron 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

James A. Bull

117 papers receiving 5.8k citations

Hit Papers

Synthesis of Pyridine and Dihydropyridine Derivatives by ... 2012 2026 2016 2021 2012 2016 2021 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. Synthesis of Pyridine and Dihydropyridine Derivatives by Regio- and Stereoselective Addition toN-Activated Pyridines
    2012 815 citations James A. Bull, James J. Mousseau et al. profile →
  2. Oxetanes: Recent Advances in Synthesis, Reactivity, and Medicinal Chemistry
    2016 363 citations James A. Bull, Rosemary A. Croft et al. profile →
  3. Stereoselective synthesis and applications of spirocyclic oxindoles
    2021 258 citations James A. Bull et al. Organic Chemistry Frontiers profile →

Peers

James A. Bull
Takuya Hashimoto Japan
Petri M. Pihko Finland
Da‐Ming Du China
Irishi N. N. Namboothiri India
Stefano Cicchi Italy
Todd K. Hyster United States
Jon C. Antilla United States
Di Qiu China
Vincent Gandon France
K. C. Kumara Swamy India
Takuya Hashimoto Japan
James A. Bull
Citations per year, relative to James A. Bull James A. Bull (= 1×) peers Takuya Hashimoto

Countries citing papers authored by James A. Bull

Since Specialization
Citations

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

Fields of papers citing papers by James A. Bull

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James A. Bull. 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 James A. Bull. The network helps show where James A. Bull may publish in the future.

Co-authorship network of co-authors of James A. Bull

This figure shows the co-authorship network connecting the top 25 collaborators of James A. Bull. A scholar is included among the top collaborators of James A. Bull 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 James A. Bull. James A. Bull 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.
Bull, James A., et al.. (2025). Synthetic oxetanes in drug discovery: where are we in 2025?. Expert Opinion on Drug Discovery. 20(12). 1621–1638.
2.
Bull, James A., et al.. (2025). The stereochemistry of substitution at S( vi ). Organic Chemistry Frontiers. 12(23). 6681–6697. 3 indexed citations
3.
Bull, James A., et al.. (2025). Unconventional reactivity of sulfonyl fluorides. Trends in Chemistry. 7(3). 124–133. 1 indexed citations
4.
Bull, James A., et al.. (2025). Defluoroalkylation of Trifluoromethane with Organolithium Reagents: Mechanism and Synthesis of Fluoroalkenes. Angewandte Chemie International Edition. 65(1). e16598–e16598.
5.
White, Andrew J. P., et al.. (2024). Enantioselective Phase-Transfer-Catalyzed Synthesis of Spirocyclic Azetidine Oxindoles. Organic Letters. 26(10). 2079–2084. 11 indexed citations
6.
White, Andrew J. P., et al.. (2024). Synthesis and Functionalization of Sulfoximine‐Bicyclo[1.1.0]butanes: Functionalizable, Tuneable and Cysteine‐Selective Chiral Warheads. Angewandte Chemie International Edition. 64(5). e202420028–e202420028. 5 indexed citations
7.
Bull, James A., et al.. (2024). When is an Imine Directing Group a Transient Imine Directing Group in C−H Functionalization?. Chemistry - A European Journal. 30(25). e202400345–e202400345. 9 indexed citations
8.
White, Andrew J. P., et al.. (2024). Synthesis of Pyrazolesulfoximines Using α-Diazosulfoximines with Alkynes. Organic Letters. 26(6). 1178–1183. 5 indexed citations
9.
Bull, James A.. (2024). Sulfur stereochemistry takes centre stage. Nature Chemistry. 16(2). 152–153. 5 indexed citations
10.
Bull, James A., et al.. (2023). Dual Copper- and Aldehyde-Catalyzed Transient C–H Sulfonylation of Benzylamines. Organic Letters. 25(28). 5285–5290. 6 indexed citations
11.
Luisi, Renzo & James A. Bull. (2023). Synthesis of Sulfoximines and Sulfonimidamides Using Hypervalent Iodine Mediated NH Transfer. Molecules. 28(3). 1120–1120. 27 indexed citations
12.
Croft, Rosemary A., Alistair J. Sterling, Edward L. Briggs, et al.. (2022). Amino-oxetanes as amide isosteres by an alternative defluorosulfonylative coupling of sulfonyl fluorides. Nature Chemistry. 14(2). 160–169. 57 indexed citations
13.
Cordier, C., et al.. (2019). Acid-Mediated Ring Expansion of 2,2-Disubstituted Azetidine Carbamates to 6,6-Disubstituted 1,3-Oxazinan-2-ones. Organic Letters. 21(6). 1818–1822. 16 indexed citations
14.
Affron, Dominic P., et al.. (2018). Rapid Assembly of Saturated Nitrogen Heterocycles in One‐Pot: Diazo‐Heterocycle “Stitching” by N–H Insertion and Cyclization. Angewandte Chemie. 131(5). 1472–1476. 12 indexed citations
15.
Affron, Dominic P., et al.. (2018). Rapid Assembly of Saturated Nitrogen Heterocycles in One‐Pot: Diazo‐Heterocycle “Stitching” by N–H Insertion and Cyclization. Angewandte Chemie International Edition. 58(5). 1458–1462. 54 indexed citations
16.
Sherin, Peter S., Ismael López‐Duarte, Michael R. Dent, et al.. (2017). Visualising the membrane viscosity of porcine eye lens cells using molecular rotors. Chemical Science. 8(5). 3523–3528. 74 indexed citations
17.
Affron, Dominic P. & James A. Bull. (2015). Palladium‐Catalyzed Directed C(sp3)–H Arylation of Saturated Heterocycles at C‐3 Using a Concise Optimization Approach. European Journal of Organic Chemistry. 2016(1). 139–149. 60 indexed citations
18.
Davis, Owen A. & James A. Bull. (2014). Synthesis of Di‐, Tri‐, and Tetrasubstituted Oxetanes by Rhodium‐Catalyzed OH Insertion and CC Bond‐Forming Cyclization. Angewandte Chemie International Edition. 53(51). 14230–14234. 51 indexed citations
19.
Affron, Dominic P., et al.. (2014). Synthesis and Purification of Iodoaziridines Involving Quantitative Selection of the Optimal Stationary Phase for Chromatography. Journal of Visualized Experiments. 3 indexed citations
20.
Bull, James A., et al.. (2010). Chemical and Chemoenzymatic Synthesis of Glycopeptide Selectin Ligands Containing Sialyl Lewis X Structures. ChemBioChem. 11(7). 904–930. 20 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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