John H. Ryan

1.5k citations

57 papers · 1.3k · h-index 22

Impact in

Organic Chemistry top 2%
- Asymmetric Synthesis and Catalysis
- Catalytic Cross-Coupling Reactions
- Organic Chemistry Cycloaddition Reactions
- Advanced Synthetic Organic Chemistry
- Catalytic C–H Functionalization Methods
- Organic Chemistry Synthesis Methods
- Catalytic Alkyne Reactions
- Synthesis of Indole Derivatives
Process Chemistry and Technology top 10%

Papers in

Organic Chemistry 40
- Advanced Synthetic Organic Chemistry 13
- Organic Chemistry Synthesis Methods 8
- Synthesis of heterocyclic compounds 8
- Organic Chemistry Cycloaddition Reactions 6
- Synthesis of Indole Derivatives 5
- Asymmetric Synthesis and Catalysis 4
- Oxidative Organic Chemistry Reactions 4
Parasitology 6
- Parasitic Infections and Diagnostics 6

Co-authors: Adam G. Meyer (10 shared papers)Andrew B. Holmes (10 shared papers)Peter J. Stang (2 shared papers)Christopher J. T. Hyland (11 shared papers)Simon Saubern (9 shared papers)Jason A. Smith (10 shared papers)Michael G. Gardiner (4 shared papers)Allan J. Canty (3 shared papers)
Journals: Australian Journal of Chemistry (7 papers)The Journal of Organic Chemistry (4 papers)Organic Letters (3 papers)Tetrahedron (3 papers)International Journal for Parasitology Drugs and Drug Resistance (3 papers)
Partner nations: Australia United States United Kingdom

In The Last Decade

John H. Ryan

54 papers receiving 1.3k citations

Peers

Countries citing papers authored by John H. Ryan

Since Specialization

Citations

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

Fields of papers citing papers by John H. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside John H. Ryan, 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 H. Ryan Line = papers co-authored together John H. Ryan links everyone, so they are left out of the graph.

All Works

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

20 of 20 papers shown

Showing the 20 most-cited of 57 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The Diastereoselective Synthesis of Pyrroloindolines by Pd-Catalyzed Dearomative Cycloaddition of 1-Tosyl-2-vinylaziridine to 3-Nitroindoles ACS Catalysis ·Daniel J. Rivinoja, Yi Sing Gee, Michael G. Gardiner, John H. Ryan, Christopher J. T. Hyland	2016	99
2	Reactivity of Diaryliodine(III) Triflates toward Palladium(II) and Platinum(II): Reactions of C(sp2)−I Bonds to Form Arylmetal(IV) Complexes; Access to Dialkyl(aryl)metal(IV), 1,4-Benzenediyl-Bridged Platinum(IV), and Triphenylplatinum(IV) Species; and Structural Studies of Platinum(IV) Complexes Organometallics ·Allan J. Canty, Jim Patel, Thomas Rodemann, John H. Ryan, Brian W. Skelton, ALLAN HENRY WHITE	2004	89
3	1,3-Dipolar Cycloaddition Reactions of Azomethine Ylides with Carbonyl Dipolarophiles Yielding Oxazolidine Derivatives Molecules ·Adam G. Meyer, John H. Ryan	2016	84
4	1,3-Dipolar Cycloaddition−Decarboxylation Reactions of an Azomethine Ylide with Isatoic Anhydrides: Formation of Novel Benzodiazepinones Organic Letters ·Nadia Spiccia, José A. Basutto, Pawel G. Jokisz, Leon S.‐M. Wong, Adam G. Meyer, Andrew B. Holmes, Jonathan Michael White, John H. Ryan	2010	71
5	Pd-Catalyzed Dearomative [3 + 2] Cycloaddition of 3-Nitroindoles with 2-Vinylcyclopropane-1,1-dicarboxylates The Journal of Organic Chemistry ·Yi Sing Gee, Daniel J. Rivinoja, Steven M. Wales, Michael G. Gardiner, John H. Ryan, Christopher J. T. Hyland	2017	67
6	Direct α-arylation of ketones: The reaction of cyclic ketone enolates with diphenyliodonium triflate Tetrahedron Letters ·John H. Ryan, Peter J. Stang	1997	62
7	A Gram‐Scale Batch and Flow Total Synthesis of Perhydrohistrionicotoxin Chemistry - A European Journal ·Malte Brasholz, Simon Saubern, John H. Ryan, Andrew B. Holmes +1 other	2010	57
8	A new and high yielding synthesis of unstable pyrroles via a modified Clauson-Kaas reaction Tetrahedron Letters ·Brendon S. Gourlay, Peter Patrick Molesworth, John H. Ryan, Jason A. Smith	2005	54
9	Native State Mass Spectrometry, Surface Plasmon Resonance, and X-ray Crystallography Correlate Strongly as a Fragment Screening Combination Journal of Medicinal Chemistry ·Lucy A. Woods, Olan Dolezal, Bin Ren, John H. Ryan, Thomas S. Peat, Sally‐Ann Poulsen	2016	52
10	Structural Basis for a New Mechanism of Inhibition of H I V-1 Integrase Identified by Fragment Screening and Structure-Based Design Antiviral chemistry & chemotherapy ·David Ian Rhodes, Thomas S. Peat, Nick Vandegraaff, Dharshini Jeevarajah, G. T. Le, Jessica A. Smith, Jonathan A. V. Coates, Lisa J Winfeld	2011	47
11	Small Molecule Inhibitors of the LEDGF Site of Human Immunodeficiency Virus Integrase Identified by Fragment Screening and Structure Based Design PLoS ONE ·Thomas S. Peat, David Ian Rhodes, Nick Vandegraaff, G. T. Le, Jessica A. Smith, Lisa J. Clark, Jonathan A. V. Coates, Neeranat Thienthong	2012	47
12	1,3-Dipolar cycloaddition reactions of azomethine ylides with aromatic dipolarophiles ARKIVOC ·John H. Ryan	2015	43
13	Flow synthesis of tricyclic spiropiperidines as building blocks for the histrionicotoxin family of alkaloids Tetrahedron ·Malte Brasholz, Anastasios Polyzos, John Tsanaktsidis, Simon Saubern, Andrew B. Holmes, John H. Ryan +2 others	2010	42
14	Arylation of palladium(II) and platinum(II) by diphenyliodonium triflate to form metal(IV) species, and a structural analysis of an isomer of PtIMe2Ph(bpy) (bpy=2,2’-bipyridine) Inorganic Chemistry Communications ·Angela Bayler, Allan J. Canty, John H. Ryan, Brian W. Skelton, ALLAN HENRY WHITE	2000	40
15	Clean and efficient synthesis of O-silylcarbamates and ureas in supercritical carbon dioxide Chemical Communications ·Matthew John Fuchter, Catherine J. Smith, Melanie W. S. Tsang, Alistair Boyer, Simon Saubern, John H. Ryan, Andrew B. Holmes	2008	39
16	Synthesis of Bicyclic Enediynes from Bis[phenyl[(trifluoromethanesulfonyl)oxy]iodo]acetylene: A Tandem Diels−Alder/Palladium(II)- and Copper(I)-Cocatalyzed Cross-Coupling Approach The Journal of Organic Chemistry ·John H. Ryan, Peter J. Stang	1996	34
17	Seven-Membered Rings Progress in heterocyclic chemistry ·John H. Ryan, Christopher J. T. Hyland, Adam G. Meyer, Jason A. Smith, JieXiang Yin	2012	31
18	Synthesis of 5-Aryloxazolidines via 1,3-Dipolar Cycloaddition Reaction of a Non-Stabilized Azomethine Ylide with Aromatic Aldehydes Australian Journal of Chemistry ·John H. Ryan, Nadia Spiccia, Leon S.‐M. Wong, Andrew B. Holmes	2007	29
19	Total Synthesis of (−)-Histrionicotoxin 285A and (−)-Perhydrohistrionicotoxin Organic Letters ·Helen T. Horsley, John H. Ryan, Simon Saubern, Andrew B. Holmes +1 other	2008	28
20	Diaryl ether synthesis in supercritical carbon dioxide in batch and continuous flow modes Chemical Communications ·Jin‐Kyun Lee, Matthew John Fuchter, Rachel Williamson, Gary A. Leeke, Edward J. Bush, Ian F. McConvey, Simon Saubern, John H. Ryan	2008	28

About John H. Ryan

John H. Ryan is a scholar working on Organic Chemistry, Parasitology, Process Chemistry and Technology, Cancer Research and Infectious Diseases, having authored 57 papers that have together received 1.3k indexed citations. Recurring topics across this work include Advanced Synthetic Organic Chemistry (13 papers), Organic Chemistry Synthesis Methods (8 papers), Synthesis of heterocyclic compounds (8 papers), Parasitic Infections and Diagnostics (6 papers), Organic Chemistry Cycloaddition Reactions (6 papers), Synthesis of Indole Derivatives (5 papers), Asymmetric Synthesis and Catalysis (4 papers) and Oxidative Organic Chemistry Reactions (4 papers). The work is most often cited by research in Organic Chemistry (988 citations), Process Chemistry and Technology (29 citations), Pharmaceutical Science (25 citations), Computational Theory and Mathematics (56 citations) and Parasitology (22 citations). John H. Ryan has collaborated with scholars based in Australia, United States and United Kingdom. Frequent co-authors include Adam G. Meyer, Andrew B. Holmes, Peter J. Stang, Christopher J. T. Hyland, Simon Saubern, Jason A. Smith, Michael G. Gardiner, Allan J. Canty, Brian W. Skelton and ALLAN HENRY WHITE. Their work appears in journals such as Australian Journal of Chemistry, The Journal of Organic Chemistry, Organic Letters, Tetrahedron and International Journal for Parasitology Drugs and Drug Resistance.

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.

Explore authors with similar magnitude of impact

John H. Ryan

Impact in

Papers in i

In The Last Decade

John H. Ryan

Peers

Countries citing papers authored by John H. Ryan

Fields of papers citing papers by John H. Ryan

All Works

About John H. Ryan

Explore authors with similar magnitude of impact

Papers in