Darrell E. O'Brien

37 papers and 536 indexed citations
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About

Darrell E. O'Brien is a scholar working on Organic Chemistry, Molecular Biology and Nephrology. According to data from OpenAlex, Darrell E. O'Brien has authored 37 papers receiving a total of 536 indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Organic Chemistry, 11 papers in Molecular Biology and 2 papers in Nephrology. Recurrent topics in Darrell E. O'Brien’s work include Synthesis and Characterization of Heterocyclic Compounds (22 papers), Synthesis and Biological Evaluation (14 papers) and Synthesis and Reactions of Organic Compounds (13 papers). Darrell E. O'Brien is often cited by papers focused on Synthesis and Characterization of Heterocyclic Compounds (22 papers), Synthesis and Biological Evaluation (14 papers) and Synthesis and Reactions of Organic Compounds (13 papers). Darrell E. O'Brien collaborates with scholars based in United States. Darrell E. O'Brien's co-authors include Roland K. Robins, Thomas Novinson, K. SENGA, Jon P. Miller, Robert H. Springer, Lionel N. Simon, C. C. Cheng, J. Kobe, David Streeter and Ganapathi R. Revankar and has published in prestigious journals such as Journal of the American Chemical Society, Biochemistry and Journal of Medicinal Chemistry.

In The Last Decade

Co-authorship network of co-authors of Darrell E. O'Brien

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

Darrell E. O'Brien

36 papers receiving 456 citations

Fields of papers citing papers by Darrell E. O'Brien

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Darrell E. O'Brien. 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 Darrell E. O'Brien. The network helps show where Darrell E. O'Brien may publish in the future.

Countries citing papers authored by Darrell E. O'Brien

Since Specialization
Citations

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

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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2026