Alexander G. O’Brien

1.5k total citations · 1 hit paper
22 papers, 1.3k citations indexed

About

Alexander G. O’Brien is a scholar working on Organic Chemistry, Biomedical Engineering and Molecular Biology. According to data from OpenAlex, Alexander G. O’Brien has authored 22 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Organic Chemistry, 9 papers in Biomedical Engineering and 8 papers in Molecular Biology. Recurrent topics in Alexander G. O’Brien's work include Innovative Microfluidic and Catalytic Techniques Innovation (8 papers), Analytical Chemistry and Chromatography (5 papers) and Chemical Synthesis and Analysis (4 papers). Alexander G. O’Brien is often cited by papers focused on Innovative Microfluidic and Catalytic Techniques Innovation (8 papers), Analytical Chemistry and Chromatography (5 papers) and Chemical Synthesis and Analysis (4 papers). Alexander G. O’Brien collaborates with scholars based in United States, Germany and United Kingdom. Alexander G. O’Brien's co-authors include Phil S. Baran, Peter H. Seeberger, Erik W. Werner, Brandon R. Rosen, Donna G. Blackmond, Yasuhide Inokuma, Makoto Fujita, Akinobu Maruyama, François Lévesque and Ju Weon Lee and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and Chemical Communications.

In The Last Decade

Alexander G. O’Brien

22 papers receiving 1.2k 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.

Total Synthesis of Dixiamycin B by Electrochemical Oxidation

2014 321 citations Brandon R. Rosen, Erik W. Werner et al. Journal of the American Chemical Society profile →

Peers

Countries citing papers authored by Alexander G. O’Brien

Since Specialization

Citations

This map shows the geographic impact of Alexander G. 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 Alexander G. 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 Alexander G. O’Brien more than expected).

Fields of papers citing papers by Alexander G. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexander G. 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 Alexander G. O’Brien. The network helps show where Alexander G. O’Brien may publish in the future.

Co-authorship network of co-authors of Alexander G. O’Brien

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	A method for real time detection of reaction endpoints using a moving window t -test of in situ time course data 2020 ·Reaction Chemistry & Engineering ·(unknown), (unknown), (unknown), Alexander G. O’Brien	3
2	System model development and computer experiments for continuous API manufacturing 2020 ·Process Safety and Environmental Protection ·(unknown), John J. Peterson, Kehua Yin, (unknown), (unknown), Alexander G. O’Brien	12
3	Investigation of a Weak Temperature–Rate Relationship in the Carbamoylation of a Barbituric Acid Pharmaceutical Intermediate 2019 ·The Journal of Organic Chemistry ·Alexander G. O’Brien, (unknown), (unknown), (unknown), Neil S. Hodnett, (unknown)	3
4	Dehydration of an Insoluble Urea Byproduct Enables the Condensation of DCC and Malonic Acid in Flow 2018 ·Organic Process Research & Development ·Alexander G. O’Brien, (unknown), Michel Journet	5
5	Radical CH Functionalization of Heteroarenes under Electrochemical Control 2014 ·Angewandte Chemie International Edition ·Alexander G. O’Brien, Akinobu Maruyama, Yasuhide Inokuma, Makoto Fujita, Phil S. Baran, Donna G. Blackmond	301
6	Radical CH Functionalization of Heteroarenes under Electrochemical Control 2014 ·Angewandte Chemie ·Alexander G. O’Brien, Akinobu Maruyama, Yasuhide Inokuma, Makoto Fujita, Phil S. Baran, Donna G. Blackmond	85
7	Total Synthesis of Dixiamycin B by Electrochemical Oxidation breakdown → 2014 ·Journal of the American Chemical Society ·Brandon R. Rosen, Erik W. Werner, Alexander G. O’Brien, Phil S. Baran	321
8	Design and optimization of coupling a continuously operated reactor with simulated moving bed chromatography 2014 ·Chemical Engineering Journal ·Ju Weon Lee, Zoltán Horváth, Alexander G. O’Brien, Peter H. Seeberger, Andreas Seidel‐Morgenstern	45
9	Synthesis of homo- and heteromultivalent carbohydrate-functionalized oligo(amidoamines) using novel glyco-building blocks 2013 ·Beilstein Journal of Organic Chemistry ·Felix Wojcik, (unknown), Alexander G. O’Brien, Peter H. Seeberger, Laura Hartmann	16
10	Synthesis of Carbohydrate‐Functionalised Sequence‐Defined Oligo(amidoamine)s by Photochemical ThiolEne Coupling in a Continuous Flow Reactor 2013 ·Chemistry - A European Journal ·Felix Wojcik, Alexander G. O’Brien, Sebastian Götze, Peter H. Seeberger, Laura Hartmann	69
11	Preparation and purification of zinc sulfinate reagents for drug discovery 2013 ·Nature Protocols ·Fionn O’Hara, Ryan D. Baxter, Alexander G. O’Brien, Michael R. Collins, (unknown), Yuta Fujiwara, Yoshihiro Ishihara, Phil S. Baran	60
12	Continuous synthesis of pyridocarbazoles and initial photophysical and bioprobe characterization 2013 ·Chemical Science ·D. Tyler McQuade, Alexander G. O’Brien, (unknown), (unknown), (unknown), (unknown), Tomoya Nobuta, Hans‐Gerd Löhmannsröben, Eric Meggers, Peter H. Seeberger	15
13	Continuous Synthesis and Purification by Direct Coupling of a Flow Reactor with Simulated Moving‐Bed Chromatography 2012 ·Angewandte Chemie International Edition ·Alexander G. O’Brien, Zoltán Horváth, François Lévesque, Ju Weon Lee, Andreas Seidel‐Morgenstern, Peter H. Seeberger	80
14	Kontinuierliche Synthese und Aufreinigung durch direkte Kopplung eines Durchflussreaktors mit “Simulated‐Moving‐Bed”‐ Chromatographie 2012 ·Angewandte Chemie ·Alexander G. O’Brien, Zoltán Horváth, François Lévesque, Ju Weon Lee, Andreas Seidel‐Morgenstern, Peter H. Seeberger	19
15	Safe use of azides in continuous flow 2011 ·Max Planck Institute for Plasma Physics ·Alexander G. O’Brien, François Lévesque, (unknown), Peter H. Seeberger	6
16	Continuous flow photolysis of aryl azides: Preparation of 3H-azepinones 2011 ·Beilstein Journal of Organic Chemistry ·(unknown), François Lévesque, Alexander G. O’Brien, Peter H. Seeberger	69
17	Claisen rearrangements of equilibrating allylic azides 2011 ·Organic & Biomolecular Chemistry ·Donald C. Craig, (unknown), Alexander G. O’Brien, Andrew J. P. White	27
18	Recent advances in acyclic stereocontrol 2011 ·Tetrahedron ·Alexander G. O’Brien	37
19	Exopericyclic stereocontrol in Johnson–Claisen rearrangements of allylic sulfides 2010 ·Chemical Communications ·Donald C. Craig, (unknown), Alexander G. O’Brien, Andrew J. P. White	8
20	Continuous flow thermolysis of azidoacrylates for the synthesis of heterocycles and pharmaceutical intermediates 2010 ·Chemical Communications ·Alexander G. O’Brien, François Lévesque, Peter H. Seeberger	67

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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