Frederick R. Longo

6.2k total citations · 2 hit papers
46 papers, 5.4k citations indexed

About

Frederick R. Longo is a scholar working on Organic Chemistry, Materials Chemistry and Molecular Biology. According to data from OpenAlex, Frederick R. Longo has authored 46 papers receiving a total of 5.4k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Organic Chemistry, 17 papers in Materials Chemistry and 14 papers in Molecular Biology. Recurrent topics in Frederick R. Longo's work include Porphyrin and Phthalocyanine Chemistry (15 papers), Porphyrin Metabolism and Disorders (7 papers) and Surfactants and Colloidal Systems (7 papers). Frederick R. Longo is often cited by papers focused on Porphyrin and Phthalocyanine Chemistry (15 papers), Porphyrin Metabolism and Disorders (7 papers) and Surfactants and Colloidal Systems (7 papers). Frederick R. Longo collaborates with scholars based in United States, Puerto Rico and Russia. Frederick R. Longo's co-authors include Alan D. Adler, F. J. Kampas, Jean Kim, Jacques M. Assour, Joel E. Goldmacher, John J. Leonard, H. D. Durst, Raymond A. Mackay, Larry A. Sklar and S. Munavalli and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Physical Chemistry and Journal of Colloid and Interface Science.

In The Last Decade

Frederick R. Longo

45 papers receiving 5.2k 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.

A simplified synthesis for meso-tetraphenylporphine

1967 2.4k citations Alan D. Adler, Frederick R. Longo et al. The Journal of Organic Chemistry profile →
On the preparation of metalloporphyrins

1970 1.6k citations Alan D. Adler, Frederick R. Longo et al. Journal of Inorganic and Nuclear Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Frederick R. Longo United States	17	4.7k	1.5k	1.2k	1.2k	679	46	5.4k
Alan D. Adler United States	19	4.8k 1.0×	1.6k 1.1×	1.3k 1.1×	994 0.9×	663 1.0×	48	5.8k
Yoshiaki Kobuke Japan	46	4.7k 1.0×	997 0.7×	1.6k 1.4×	2.1k 1.8×	433 0.6×	156	6.6k
Michel Momenteau France	34	2.5k 0.5×	1.2k 0.8×	1.2k 1.0×	592 0.5×	426 0.6×	134	3.9k
Dennis P. Arnold Australia	39	3.7k 0.8×	1.4k 1.0×	705 0.6×	1.3k 1.1×	231 0.3×	120	4.4k
Karl M. Kadish United States	12	2.5k 0.5×	694 0.5×	730 0.6×	895 0.8×	381 0.6×	15	3.2k
Jacques M. Assour United States	10	2.6k 0.6×	715 0.5×	549 0.5×	573 0.5×	369 0.5×	22	3.2k
Atif Mahammed Israel	43	4.0k 0.9×	2.1k 1.4×	1.1k 0.9×	724 0.6×	526 0.8×	114	5.5k
Christopher J. Ziegler United States	36	2.5k 0.5×	1.0k 0.7×	708 0.6×	1.7k 1.4×	278 0.4×	228	4.5k
Victor N. Nemykin United States	48	3.8k 0.8×	1.3k 0.9×	526 0.5×	2.7k 2.3×	327 0.5×	262	6.7k
Jean‐Michel Barbe France	38	3.0k 0.6×	1.2k 0.8×	512 0.4×	749 0.6×	125 0.2×	128	4.2k

Countries citing papers authored by Frederick R. Longo

Since Specialization

Citations

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

Fields of papers citing papers by Frederick R. Longo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Frederick R. Longo. 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 Frederick R. Longo. The network helps show where Frederick R. Longo may publish in the future.

Co-authorship network of co-authors of Frederick R. Longo

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

All Works

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20 of 20 papers shown

Munavalli, S., D. K. Rohrbaugh, Raymond A. Mackay, Frederick R. Longo, & H. D. Durst. (2005). Reaction of Epoxides with (Alkylthio)methyl Chloride. Phosphorus, sulfur, and silicon and the related elements. 180(12). 2689–2700. 2 indexed citations

Rohrbaugh, D. K., et al.. (2005). Unusual Methylene Insertion Reactions. Phosphorus, sulfur, and silicon and the related elements. 180(9). 2179–2191. 2 indexed citations

Munavalli, S., D. K. Rohrbaugh, Gabriele Wagner, Frederick R. Longo, & H. D. Durst. (2002). Microwave Induced Reaction of H-Dimethylphosphonate with Styrene Oxide. Phosphorus, sulfur, and silicon and the related elements. 177(4). 781–789. 13 indexed citations

Munavalli, S., D. K. Rohrbaugh, Frederic J. Berg, Frederick R. Longo, & H. D. Durst. (2002). Microwave Catalyzed Reactions of H-Dimethylphosphonate with Oxiranes. Phosphorus, sulfur, and silicon and the related elements. 177(1). 215–230. 5 indexed citations

Munavalli, S., D. K. Rohrbaugh, Frederic J. Berg, et al.. (2002). Reactions of Trifluoromethylsulfenyl Chloride with 1,5-Cyclooctadiene. Phosphorus, sulfur, and silicon and the related elements. 177(5). 1117–1125. 7 indexed citations

Rohrbaugh, D. K., Frederick R. Longo, H. D. Durst, & S. Munavalli. (2001). Microwave Induced and Photocatalyzed Hydrophosphorylation Reactions of Perfluoroolefins. Phosphorus, sulfur, and silicon and the related elements. 176(1). 201–214. 2 indexed citations

Panetta, Charles A., et al.. (1990). Synthesis of 4-alkyl-2-iodosobenzoic acids: potent catalysts for the hydrolysis of phosphorus esters. The Journal of Organic Chemistry. 55(18). 5202–5205. 26 indexed citations

Durst, H. D., et al.. (1990). Catalytic hydrolysis of phosphate esters in microemulsions. Journal of Colloid and Interface Science. 135(2). 508–519. 16 indexed citations

Mackay, Raymond A., et al.. (1988). CATALYTIC HYDROLYSIS OF PHOSPHATE ESTERS IN MICROEMULSIONS. V. THE EFFECT OF COSURFACTANTS. Journal of Dispersion Science and Technology. 9(5). 493–510. 4 indexed citations

10.

Burnside, Beth, et al.. (1988). Catalytic hydrolysis of phosphate esters in microemulsions. 3. Analysis of the hydrolysis products of p-nitrophenyl diphenyl phosphate via 31P NMR. The Journal of Organic Chemistry. 53(9). 2009–2011. 19 indexed citations

11.

Longo, Frederick R., et al.. (1987). The Comparative Reactions of Forphin, 5-Bromoporphin, 2-Bromoporphin, and 5-Nitroporphin. Heterocycles. 26(7). 1797–1797. 8 indexed citations

12.

Daum, Peter H., et al.. (1975). Conductances, viscosities, and densities of solutions of tetra-n-pentylammonium thiocyanate in nitrobenzene at 52.deg.. Journal of Chemical & Engineering Data. 20(4). 409–411. 2 indexed citations

13.

Longo, Frederick R., et al.. (1975). Notes on the synthesis of porphin. Journal of Heterocyclic Chemistry. 12(6). 1305–1309. 34 indexed citations

14.

Longo, Frederick R., et al.. (1974). Electrophilic substitution on porphin. I. Nitration. The Journal of Organic Chemistry. 39(22). 3282–3284. 24 indexed citations

15.

Leonard, John J. & Frederick R. Longo. (1973). Spectral study of matrix-isolated porphine, zinc porphine, and copper porphine. Journal of the American Chemical Society. 95(26). 8506–8511. 5 indexed citations

16.

Longo, Frederick R., et al.. (1973). KINETIC STUDIES ON METAL CHELATION BY PORPHYRINS*. Annals of the New York Academy of Sciences. 206(1). 420–442. 35 indexed citations

17.

Adler, Alan D., Frederick R. Longo, F. J. Kampas, & Jean Kim. (1970). On the preparation of metalloporphyrins. Journal of Inorganic and Nuclear Chemistry. 32(7). 2443–2445. 1627 indexed citations breakdown →

18.

Adler, Alan D., et al.. (1968). A mechanistic study of the synthesis of meso‐tetraphenylporphin. Journal of Heterocyclic Chemistry. 5(5). 669–678. 80 indexed citations

19.

Longo, Frederick R., et al.. (1966). The Conductance of Dilute Solutions of Lithium in Liquid Ammonia at -71°^1,2. The Journal of Physical Chemistry. 70(2). 426–431. 5 indexed citations

20.

Longo, Frederick R., et al.. (1966). The Conductances, Viscosities, and Densities of Solutions of Tetra-n-pentylammonium Thiocyanate in Nitrobenzene at 25°¹. The Journal of Physical Chemistry. 70(2). 431–435. 9 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.

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