Timothy P. O’Sullivan

2.1k total citations · 1 hit paper
47 papers, 1.8k citations indexed

About

Timothy P. O’Sullivan is a scholar working on Organic Chemistry, Molecular Biology and Spectroscopy. According to data from OpenAlex, Timothy P. O’Sullivan has authored 47 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Organic Chemistry, 16 papers in Molecular Biology and 4 papers in Spectroscopy. Recurrent topics in Timothy P. O’Sullivan's work include Bacterial biofilms and quorum sensing (8 papers), Sulfur-Based Synthesis Techniques (6 papers) and Synthesis and Catalytic Reactions (4 papers). Timothy P. O’Sullivan is often cited by papers focused on Bacterial biofilms and quorum sensing (8 papers), Sulfur-Based Synthesis Techniques (6 papers) and Synthesis and Catalytic Reactions (4 papers). Timothy P. O’Sullivan collaborates with scholars based in Ireland, United Kingdom and Spain. Timothy P. O’Sullivan's co-authors include Patrick J. Guiry, David J. Connolly, David J. Jones, Lewis N. Mander, Conor P. Horgan, Manoj K. Gupta, Gráinne C. Hargaden, Catherine Godson, Hongbin Zhang and J. H. Edwards and has published in prestigious journals such as Nature Communications, SHILAP Revista de lepidopterología and The FASEB Journal.

In The Last Decade

Timothy P. O’Sullivan

46 papers receiving 1.7k 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.

Synthesis of quinazolinones and quinazolines

2005 545 citations Timothy P. O’Sullivan, Patrick J. Guiry et al. profile →

Peers

Timothy P. O’Sullivan

Ana T. Carmona Spain

Yolanda Dı́az Spain

Shutao Sun China

K. P. Ravindranathan Kartha India

M. Isabel Matheu Spain

Shin‐ichi Fujiwara Japan

Bertil Samuelsson Sweden

Daniele D’Alonzo Italy

Almira R. Kurbangalieva Russia

Susana Fernández Spain

Ana T. Carmona Spain

Timothy P. O’Sullivan

1.0k ×0.8

755 ×1.5

103 ×0.4

67 ×0.8

43 ×0.5

Citations per year, relative to Timothy P. O’Sullivan Timothy P. O’Sullivan (= 1×) peers Ana T. Carmona

Countries citing papers authored by Timothy P. O’Sullivan

Since Specialization

Citations

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

Fields of papers citing papers by Timothy P. O’Sullivan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Timothy P. O’Sullivan. 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 Timothy P. O’Sullivan. The network helps show where Timothy P. O’Sullivan may publish in the future.

Co-authorship network of co-authors of Timothy P. O’Sullivan

This figure shows the co-authorship network connecting the top 25 collaborators of Timothy P. O’Sullivan. A scholar is included among the top collaborators of Timothy P. O’Sullivan 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 Timothy P. O’Sullivan. Timothy P. O’Sullivan 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

O’Sullivan, Timothy P., et al.. (2025). Recent advances in the synthesis of N -acyl sulfonamides. RSC Advances. 15(39). 32361–32406.

Upadhyay, Amit, et al.. (2024). Synthesis, evaluation and mechanistic insights of novel IMPDH inhibitors targeting ESKAPEE bacteria. European Journal of Medicinal Chemistry. 280. 116920–116920. 2 indexed citations

Horgan, Conor P., Clelia Baccari, Michelle O’Driscoll, Steven E. Lindow, & Timothy P. O’Sullivan. (2024). BDSF Analogues Inhibit Quorum Sensing-Regulated Biofilm Production in Xylella fastidiosa. Microorganisms. 12(12). 2496–2496. 3 indexed citations

O’Sullivan, Timothy P., et al.. (2023). Organocatalytic Asymmetric Peroxidation of γ,δ-Unsaturated β-Keto Esters—A Novel Route to Chiral Cycloperoxides. Molecules. 28(11). 4317–4317. 2 indexed citations

Horgan, Conor P., Daniel Yero, Xavier Daura, et al.. (2023). Synthesis and evaluation of aromatic BDSF bioisosteres on biofilm formation and colistin sensitivity in pathogenic bacteria. European Journal of Medicinal Chemistry. 261. 115819–115819. 2 indexed citations

Gahan, Cormac G. M., et al.. (2023). Investigation of Halogenated Furanones As Inhibitors of Quorum sensing-regulated Bioluminescence in Vibrio Harveyi. Future Medicinal Chemistry. 15(4). 317–332. 6 indexed citations

Daly, Kevin, et al.. (2022). Major Structure–Activity Relationships of Resolvins, Protectins, Maresins and Their Analogues. Future Medicinal Chemistry. 14(24). 1943–1960. 5 indexed citations

O’Sullivan, Timothy P.. (2022). Small Molecule Inhibitors of Bacterial Quorum Sensing. SHILAP Revista de lepidopterología. 16–16. 1 indexed citations

Horgan, Conor P. & Timothy P. O’Sullivan. (2021). Recent Developments in the Practical Application of Novel Carboxylic Acid Bioisosteres. Current Medicinal Chemistry. 29(13). 2203–2234. 14 indexed citations

10.

O’Sullivan, Timothy P., et al.. (2021). Recent advances in the transesterification of β-keto esters. RSC Advances. 11(37). 22859–22920. 19 indexed citations

11.

Gahan, Cormac G. M., et al.. (2020). Structure–activity Relationships of furanones, Dihydropyrrolones and Thiophenones As Potential Quorum Sensing Inhibitors. Future Medicinal Chemistry. 12(21). 1925–1943. 11 indexed citations

12.

O’Sullivan, Timothy P., et al.. (2020). Synthesis and Biological Evaluation of Novel Thionucleosides. Current Organic Chemistry. 24(15). 1717–1762. 2 indexed citations

13.

Huedo, Pol, Conor P. Horgan, Daniel Yero, et al.. (2019). Sulfonamide-Based Diffusible Signal Factor Analogs Interfere with Quorum Sensing in Stenotrophomonas Maltophilia and Burkholderia Cepacia. Future Medicinal Chemistry. 11(13). 1565–1582. 18 indexed citations

14.

Jones, David J., et al.. (2019). An improved synthesis of adefovir and related analogues. Beilstein Journal of Organic Chemistry. 15. 801–810. 9 indexed citations

15.

An, Shi‐qi, Julie Murtagh, Kate B. Twomey, et al.. (2019). Modulation of antibiotic sensitivity and biofilm formation in Pseudomonas aeruginosa by interspecies signal analogues. Nature Communications. 10(1). 2334–2334. 44 indexed citations

16.

Gupta, Manoj K., et al.. (2017). Advances in the synthesis of acyclic peroxides. RSC Advances. 7(32). 19506–19556. 53 indexed citations

17.

Brooks, Sarah J., Jasmina Nikodinović‐Runić, Evelyn Doyle, et al.. (2013). Production of a chiral alcohol, 1-(3,4-dihydroxyphenyl) ethanol, by mushroom tyrosinase. Biotechnology Letters. 35(5). 779–783. 3 indexed citations

18.

O’Sullivan, Timothy P., Hongbin Zhang, & Lewis N. Mander. (2007). Model studies toward the synthesis of the bioactive diterpenoid, harringtonolide. Organic & Biomolecular Chemistry. 5(16). 2627–2627. 40 indexed citations

19.

Hargaden, Gráinne C., Timothy P. O’Sullivan, & Patrick J. Guiry. (2007). Synthesis of non-symmetric bis(oxazoline)-containing ligands and their application in the catalytic enantioselective Nozaki–Hiyama–Kishi allylation of benzaldehyde. Organic & Biomolecular Chemistry. 6(3). 562–566. 32 indexed citations

20.

O’Sullivan, Timothy P., et al.. (2004). Mobile Agent Technology and Networked Reconfigurable Embedded Devices.. International Conference on Wireless Networks. 851–857. 1 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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