John M. Brown

18.0k citations

416 papers · 15.3k · 2 hit papers · h-index 62

Impact in

Microbiology top 0.1%
Inorganic Chemistry top 0.1%
- Asymmetric Hydrogenation and Catalysis

Papers in

Organic Chemistry 225
- Organometallic Complex Synthesis and Catalysis 61
- Asymmetric Synthesis and Catalysis 61
- Catalytic Cross-Coupling Reactions 50
Inorganic Chemistry 154
- Asymmetric Hydrogenation and Catalysis 142

Co-authors: Alan Carrington (5 shared papers)Michael M. McNeil (2 shared papers)Penny A. Chaloner (20 shared papers)Véronique Gouverneur (18 shared papers)Nathaniel W. Alcock (16 shared papers)Patrick J. Guiry (8 shared papers)King Kuok Hii (13 shared papers)Neil A. Cooley (9 shared papers)
Journals: Journal of Molecular Spectroscopy (30 papers)Journal of Organometallic Chemistry (18 papers)Chemical Communications (18 papers)Tetrahedron (17 papers)Tetrahedron Asymmetry (16 papers)
Partner nations: United Kingdom United States Germany

In The Last Decade

John M. Brown

404 papers receiving 14.6k citations

John M. Brown's Hit Papers

align trajectories log scale

Rotational Spectroscopy of Diatomic Molecules 2003 · 617 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2003 Cambridge University Press eBooks
1994 Clinical Microbiology Reviews

Peers

Countries citing papers authored by John M. Brown

Since Specialization

Citations

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

Fields of papers citing papers by John M. Brown

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John M. Brown. 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 John M. Brown. The network helps show where John M. Brown may publish in the future.

Co-authors

The 25 scholars most cited alongside John M. Brown, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John M. Brown Line = papers co-authored together John M. Brown links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 416 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Rotational Spectroscopy of Diatomic Molecules Cambridge University Press eBooks ·John M. Brown, Alan Carrington Hit paper breakdown →	2003	617
2	The medically important aerobic actinomycetes: epidemiology and microbiology Clinical Microbiology Reviews ·Michael M. McNeil, John M. Brown Hit paper breakdown →	1994	551
3	Catalytic Asymmetric Synthesis Synthesis ·John M. Brown	1994	346
4	Imidazo[1,5-a]pyridine: A Versatile Architecture for Stable N-Heterocyclic Carbenes Journal of the American Chemical Society ·Manuel Alcarazo, Stephen J. Roseblade, A.R. Cowley, Rosario Fernández, John M. Brown, José M. Lassaletta	2005	313
5	Synthesis and resolution of 1-(2-diphenylphosphino-1-naphthyl)isoquinoline; a PN chelating ligand for asymmetric catalysis. Tetrahedron Asymmetry ·Nathaniel W. Alcock, John M. Brown, David I. Hulmes	1993	284
6	Mechanistic and synthetic studies in catalytic allylic alkylation with palladium complexes of 1-(2-diphenylphosphino-1-naphthyl)isoquinoline Tetrahedron ·John M. Brown, David I. Hulmes, Patrick J. Guiry	1994	262
7	A determination of fundamental Zeeman parameters for the OH radical Molecular Physics ·John M. Brown, Masatsugu Kaise, C.M.L. Kerr, D. J. Milton	1978	233
8	Directed Homogeneous Hydrogenation [New Synthetic Methods (65)] Angewandte Chemie International Edition in English ·John M. Brown	1987	225
9	Spin-orbit and spin-rotation coupling in doublet states of diatomic molecules Journal of Molecular Spectroscopy ·John M. Brown, J. K. G. Watson	1977	190
10	Microwave spectroscopy of nonlinear free radicals - I. General theory and application to the Zeeman effect in HCO Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Ian C. Bowater, John M. Brown, Alan Carrington	1973	183
11	Directed palladation: fine tuning permits the catalytic 2-alkenylation of indoles Chemical Communications ·Elena Capitò, John M. Brown, Alfredo Ricci	2005	167
12	Aniridia-associated cytogenetic rearrangements suggest that a position effect may cause the mutant phenotype Human Molecular Genetics ·Judy Fantes, B. Redeker, Matthew Breen, Shelagh Boyle, John M. Brown, Judy Fletcher, Sinéad Jones, Wendy A. Bickmore, Yoshimitsu Fukushima, Marcel M. A. M. Mannens, Sarah Danes, Veronica van Heyningen, Isabel M. Hanson	1995	164
13	The Scope of Catalytic Asymmetric Hydroboration/Oxidation with Rhodium Complexes of 1,1′‐(2‐Diarylphosphino‐1‐naphthyl)isoquinolines Chemistry - A European Journal ·Henri Doucet, Elena Fernández, Timothy P. Layzell, John M. Brown	1999	160
14	Carbon-carbon bond formation through organometallic elimination reactions Chemical Reviews ·John M. Brown, Neil A. Cooley	1988	158
15	Palladium‐Catalyzed Allylic Fluorination Angewandte Chemie International Edition ·Charlotte Hollingworth, Amaruka Hazari, Matthew N. Hopkinson, Matthew Tredwell, Elena Benedetto, Mickaël Huiban, Antony D. Gee, John M. Brown, Véronique Gouverneur	2011	153
16	Asymmetric nucleophilic fluorination under hydrogen bonding phase-transfer catalysis Science ·Gabriele Pupo, Francesco Ibba, David M. H. Ascough, Anna Chiara Vicini, Paolo F. Ricci, Kirsten E. Christensen, Lukas Pfeifer, J. Richard Morphy, John M. Brown, Robert S. Paton, Véronique Gouverneur	2018	152
17	Profound Steric Control of Reactivity in Aryl Halide Addition to Bisphosphane Palladium(0) Complexes Angewandte Chemie International Edition ·Erwan Galardon, Shailesh Ramdeehul, John M. Brown, Andrew Cowley, King Kuok Hii, Anny Jutand	2002	149
18	Mechanical activation of magnesium turnings for the preparation of reactive Grignard reagents The Journal of Organic Chemistry ·Karen V. Baker, John M. Brown, Nigel Hughes, A. J. Skarnulis, A. R. Sexton	1991	146
19	Structural characterisation in solution of intermediates in rhodium-catalysed hydroformylation and their interconversion pathways Journal of the Chemical Society Perkin Transactions 2 ·John M. Brown, Alexander G. Kent	1987	141
20	Mechanism in organic chemistry Medical Entomology and Zoology ·Roger W. Alder, Ray Palmer Baker, John M. Brown	1971	137

About John M. Brown

John M. Brown is a scholar working on Organic Chemistry, Inorganic Chemistry, Spectroscopy, Atomic and Molecular Physics, and Optics and Pharmaceutical Science, having authored 416 papers that have together received 15.3k indexed citations. Recurring topics across this work include Asymmetric Hydrogenation and Catalysis (142 papers), Organometallic Complex Synthesis and Catalysis (61 papers), Asymmetric Synthesis and Catalysis (61 papers), Spectroscopy and Laser Applications (54 papers), Advanced Chemical Physics Studies (51 papers), Catalytic Cross-Coupling Reactions (50 papers), Molecular spectroscopy and chirality (41 papers) and Chemical Synthesis and Analysis (40 papers). The work is most often cited by research in Microbiology (472 citations), Inorganic Chemistry (5.3k citations), Organic Chemistry (9.3k citations), Pharmaceutical Science (1.3k citations) and Spectroscopy (3.0k citations). John M. Brown has collaborated with scholars based in United Kingdom, United States and Germany. Frequent co-authors include Alan Carrington, Michael M. McNeil, Penny A. Chaloner, Véronique Gouverneur, Nathaniel W. Alcock, Patrick J. Guiry, King Kuok Hii, Neil A. Cooley, Guy C. Lloyd‐Jones and Waqar Rauf. Their work appears in journals such as Journal of Molecular Spectroscopy, Journal of Organometallic Chemistry, Chemical Communications, Tetrahedron and Tetrahedron Asymmetry.

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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