John C. Sheehan

7.7k total citations · 2 hit papers
127 papers, 5.3k citations indexed

About

John C. Sheehan is a scholar working on Organic Chemistry, Molecular Biology and Spectroscopy. According to data from OpenAlex, John C. Sheehan has authored 127 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Organic Chemistry, 43 papers in Molecular Biology and 20 papers in Spectroscopy. Recurrent topics in John C. Sheehan's work include Synthesis of β-Lactam Compounds (35 papers), Chemical Synthesis and Analysis (28 papers) and Synthesis and Catalytic Reactions (19 papers). John C. Sheehan is often cited by papers focused on Synthesis of β-Lactam Compounds (35 papers), Chemical Synthesis and Analysis (28 papers) and Synthesis and Catalytic Reactions (19 papers). John C. Sheehan collaborates with scholars based in United States and Ireland. John C. Sheehan's co-authors include George P. Hess, Philip A. Cruickshank, Ding-Djung H. Yang, István Lengyel, Joseph J. Hlavka, R. Marshall Wilson, Kenneth R. Henery‐Logan, Takeshi Hara, John R. Preston and A. W. Oxford and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

John C. Sheehan

125 papers receiving 4.8k 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.

A New Method of Forming Peptide Bonds

1955 1.0k citations John C. Sheehan et al. Journal of the American Chemical Society profile →
Notes- A Convenient Synthesis of Water-Soluble Carbodiimides.

1961 356 citations John C. Sheehan, Philip A. Cruickshank et al. The Journal of Organic Chemistry profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John C. Sheehan United States	33	3.2k	2.5k	522	427	403	127	5.3k
Oyo Mitsunobu Japan	19	4.7k 1.5×	2.7k 1.1×	464 0.9×	265 0.6×	595 1.5×	83	6.1k
J. G. Moffatt Poland	39	3.3k 1.0×	3.5k 1.4×	212 0.4×	266 0.6×	259 0.6×	113	5.8k
B. R. Baker United States	33	2.8k 0.9×	2.6k 1.0×	199 0.4×	184 0.4×	272 0.7×	308	4.6k
Osamu Yonemitsu Japan	35	5.1k 1.6×	1.8k 0.7×	396 0.8×	378 0.9×	804 2.0×	286	6.1k
Helmut Vorbrüggen Germany	32	3.6k 1.1×	2.7k 1.1×	285 0.5×	202 0.5×	326 0.8×	116	5.4k
Carl R. Johnson United States	50	6.2k 1.9×	2.2k 0.9×	741 1.4×	235 0.6×	570 1.4×	192	7.6k
Friedrich Weygand Germany	32	2.3k 0.7×	2.2k 0.9×	509 1.0×	151 0.4×	182 0.5×	227	4.0k
Miklos Bodanszky United States	38	2.0k 0.6×	3.7k 1.5×	666 1.3×	217 0.5×	267 0.7×	139	5.2k
Shô Itô Japan	30	2.4k 0.8×	1.5k 0.6×	286 0.5×	533 1.2×	313 0.8×	273	3.9k
Ralph Hirschmann United States	41	2.9k 0.9×	3.7k 1.5×	366 0.7×	219 0.5×	234 0.6×	148	5.5k

Countries citing papers authored by John C. Sheehan

Since Specialization

Citations

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

Fields of papers citing papers by John C. Sheehan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John C. Sheehan

This figure shows the co-authorship network connecting the top 25 collaborators of John C. Sheehan. A scholar is included among the top collaborators of John C. Sheehan 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 John C. Sheehan. John C. Sheehan 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

Sheehan, John C.. (2009). Is Deceit a Masculine Virtue? An Essay. The Journal of Men s Studies. 17(3). 242–250. 1 indexed citations

Sheehan, John C., et al.. (2007). Investigating the Relationship Between Design-for-Reliability/Design-for-the-Environment Investment, and Field Warranty and End-of-Life Costs. Quality Technology & Quantitative Management. 4(2). 251–263. 1 indexed citations

Sheehan, John C.. (1980). Introductory remarks. Philosophical transactions of the Royal Society of London. Series B, Biological sciences. 289(1036). 167–167. 2 indexed citations

Sheehan, John C., et al.. (1974). Synthesis of 6-hydroxypenicillanates and 7-hydroxycephalosporanates. The Journal of Organic Chemistry. 39(10). 1444–1445. 14 indexed citations

Sheehan, John C., et al.. (1973). Removal and displacement of the thiazolidine ring of penicillin. III. Reconstruction of the penam ring system. The Journal of Organic Chemistry. 38(20). 3492–3495. 4 indexed citations

Sheehan, John C., et al.. (1969). .alpha.-Lactams. VII. Insertion-type alkylation on .alpha.-lactams by action of alkylmagnesium halides. Journal of the American Chemical Society. 91(16). 4596–4597. 14 indexed citations

Wilson, R. Marshall & John C. Sheehan. (1969). Acid-catalyzed solvolysis of benzoin tosylate in aromatic solvents. Journal of the American Chemical Society. 91(26). 7378–7380. 2 indexed citations

Lengyel, István & John C. Sheehan. (1968). α‐Lactame (Aziridinone). Angewandte Chemie. 80(1). 27–37. 77 indexed citations

Sheehan, John C. & István Lengyel. (1964). The Synthesis and Reactions of an α-Lactam, 1-t-Butyl-3,3-dimethylazirididone. Journal of the American Chemical Society. 86(7). 1356–1359. 58 indexed citations

10.

Cruickshank, Philip A. & John C. Sheehan. (1964). Synthetic Peptide Models of Enzyme Active Sites. II. L-Threonyl-L-alanyl-L-seryl-Lhistidyl-L-aspartic Acid, an Active Esterase Model. Journal of the American Chemical Society. 86(10). 2070–2071. 23 indexed citations

11.

Sheehan, John C. & Joel G. Whitney. (1963). The Synthesis of cis- and trans-3-Hydroxy-L-proline, Two New Amino Acids from the Antibiotic Telomycin. Journal of the American Chemical Society. 85(23). 3863–3865. 28 indexed citations

12.

Sheehan, John C., et al.. (1962). The Isolation, Characterization and Synthesis of erythro-β-Hydroxy-L-leucine, a New Amino Acid from the Antibiotic Telomycin. Journal of the American Chemical Society. 84(7). 1303–1305. 22 indexed citations

13.

Sheehan, John C. & Joel G. Whitney. (1962). The Isolation, Characterization and Synthesis of 3-Hydroxyprolines. Journal of the American Chemical Society. 84(20). 3980–3980. 26 indexed citations

14.

Sheehan, John C. & John W. Frankenfeld. (1961). The Reaction of α-Chloro-α,α-diphenylacetanilide with Sodium Hydride. Journal of the American Chemical Society. 83(23). 4792–4795. 24 indexed citations

15.

Sheehan, John C., et al.. (1961). A Sterically Controlled Synthesis of Amino Acids. Journal of the American Chemical Society. 83(23). 4795–4797. 29 indexed citations

16.

Sheehan, John C., Richard L. Young, & Philip A. Cruickshank. (1960). C(16)-C(18) Rearrangements of Steroid Alkaloids. Journal of the American Chemical Society. 82(23). 6147–6153. 4 indexed citations

17.

Sheehan, John C., et al.. (1959). ACTIVATED CYCLIC DERIVATIVES OF AMINO ACIDS. Journal of the American Chemical Society. 81(22). 6086–6086. 26 indexed citations

18.

Sheehan, John C. & E. J. Corey. (1952). Syntheses and Reactions of Acyclic N,N-Diacylglycines. Journal of the American Chemical Society. 74(18). 4555–4559. 11 indexed citations

19.

Sheehan, John C. & Ajay K. Bose. (1951). The Synthesis and Reactions of Some Substituted β-Lactams. Journal of the American Chemical Society. 73(4). 1761–1765. 14 indexed citations

20.

Sheehan, John C. & James J. Ryan. (1951). The Synthesis of Substituted Penicillins and Simpler Structural Analogs. II. α-Acylamino β-Lactam-thiazolidines¹. Journal of the American Chemical Society. 73(9). 4367–4372. 23 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.

Explore authors with similar magnitude of impact