Michael E. Kopach

3.2k total citations · 2 hit papers
61 papers, 2.3k citations indexed

About

Michael E. Kopach is a scholar working on Organic Chemistry, Molecular Biology and Environmental Chemistry. According to data from OpenAlex, Michael E. Kopach has authored 61 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Organic Chemistry, 19 papers in Molecular Biology and 17 papers in Environmental Chemistry. Recurrent topics in Michael E. Kopach's work include Chemistry and Chemical Engineering (17 papers), Chemical Synthesis and Analysis (14 papers) and Innovative Microfluidic and Catalytic Techniques Innovation (8 papers). Michael E. Kopach is often cited by papers focused on Chemistry and Chemical Engineering (17 papers), Chemical Synthesis and Analysis (14 papers) and Innovative Microfluidic and Catalytic Techniques Innovation (8 papers). Michael E. Kopach collaborates with scholars based in United States, United Kingdom and Switzerland. Michael E. Kopach's co-authors include Fabrice Gallou, Frank Roschangar, W. Dean Harman, Paul Richardson, Stefan G. Koenig, Marian C. Bryan, Albert Isidro‐Llobet, Peter J. Dunn, Subha Mukherjee and Austin G. Smith and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and Journal of Medicinal Chemistry.

In The Last Decade

Michael E. Kopach

59 papers receiving 2.2k 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.

Key Green Chemistry research areas from a pharmaceutical manufacturers’ perspective revisited

2018 474 citations Marian C. Bryan, Peter J. Dunn et al. Green Chemistry profile →
Sustainability Challenges in Peptide Synthesis and Purification: From R&D to Production

2019 332 citations Albert Isidro‐Llobet, Martin N. Kenworthy 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
Michael E. Kopach United States	23	1.4k	894	400	361	315	61	2.3k
Frank Roschangar United States	28	2.2k 1.6×	984 1.1×	315 0.8×	438 1.2×	300 1.0×	45	3.1k
Stefan G. Koenig United States	26	938 0.7×	684 0.8×	440 1.1×	298 0.8×	272 0.9×	58	2.0k
Graham G. A. Inglis United Kingdom	15	824 0.6×	474 0.5×	248 0.6×	385 1.1×	119 0.4×	29	1.6k
Allan J. B. Watson United Kingdom	33	3.1k 2.2×	976 1.1×	193 0.5×	212 0.6×	635 2.0×	110	3.8k
John Andraos Canada	26	899 0.7×	294 0.3×	252 0.6×	633 1.8×	103 0.3×	75	1.8k
Louis J. Diorazio United Kingdom	19	760 0.6×	353 0.4×	129 0.3×	191 0.5×	366 1.2×	51	1.2k
Hans‐Jürgen Federsel Sweden	19	459 0.3×	441 0.5×	221 0.6×	103 0.3×	221 0.7×	54	1.1k
Tony Y. Zhang United States	21	1.9k 1.4×	880 1.0×	199 0.5×	114 0.3×	657 2.1×	34	2.4k
Guy R. Humphrey United States	26	4.2k 3.1×	1.5k 1.7×	385 1.0×	155 0.4×	967 3.1×	64	5.1k
Ferdinando Pizzo Italy	40	3.5k 2.5×	812 0.9×	454 1.1×	237 0.7×	478 1.5×	115	3.9k

Countries citing papers authored by Michael E. Kopach

Since Specialization

Citations

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

Fields of papers citing papers by Michael E. Kopach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael E. Kopach. 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 Michael E. Kopach. The network helps show where Michael E. Kopach may publish in the future.

Co-authorship network of co-authors of Michael E. Kopach

This figure shows the co-authorship network connecting the top 25 collaborators of Michael E. Kopach. A scholar is included among the top collaborators of Michael E. Kopach 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 Michael E. Kopach. Michael E. Kopach 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

Colberg, Juan, John L. Tucker, Stefan G. Koenig, et al.. (2025). Environmental Sustainability Strategy of Active Pharmaceutical Ingredient Manufacturing: A Perspective from the American Chemical Society Green Chemistry Institute Pharmaceutical Roundtable. ACS Sustainable Chemistry & Engineering. 13(27). 10268–10284. 3 indexed citations

Jansen, Patrick J., et al.. (2025). A Convergent Hybrid Gram‐Scale Synthesis of Tirzepatide: Tangential Flow Filtration Assisted Native Chemical Ligation‐Desulfurization Approach. Angewandte Chemie International Edition. 65(6). e20060–e20060.

Teng, Jing, et al.. (2025). Advancing Peptide Synthesis: Liquid-Phase Assembly of Tirzepatide’s C-Terminus (30–39) via Crystalline Pentamer Building Blocks. Organic Process Research & Development. 29(11). 2896–2907.

Samala, Ganesh, Albert Isidro‐Llobet, Janine K. Tom, et al.. (2023). Phosphine-Dependent Photoinitiation of Alkyl Thiols under Near-UV Light Facilitates User-Friendly Peptide Desulfurization. Journal of the American Chemical Society. 145(2). 1053–1061. 28 indexed citations

Johnson, Martin D., Timothy M. Braden, Joel R. Calvin, et al.. (2023). The History of Flow Chemistry at Eli Lilly and Company. CHIMIA International Journal for Chemistry. 77(5). 319–319. 6 indexed citations

Wang, Jingyao, Timothy M. Braden, Martin D. Johnson, et al.. (2022). Mechanistic Study of Diketopiperazine Formation during Solid-Phase Peptide Synthesis of Tirzepatide. ACS Omega. 7(50). 46809–46824. 17 indexed citations

Roschangar, Frank, Jun Li, YanYan Zhou, et al.. (2021). Improved iGAL 2.0 Metric Empowers Pharmaceutical Scientists to Make Meaningful Contributions to United Nations Sustainable Development Goal 12. ACS Sustainable Chemistry & Engineering. 10(16). 5148–5162. 55 indexed citations

Peeva, Ludmila, Piers R. J. Gaffney, Dae‐Ok Kim, et al.. (2021). Liquid Phase Peptide Synthesis via One‐Pot Nanostar Sieving (PEPSTAR). Angewandte Chemie. 133(14). 7865–7874. 6 indexed citations

Andrews, Benjamin I., Firoz D. Antia, Louis J. Diorazio, et al.. (2020). Sustainability Challenges and Opportunities in Oligonucleotide Manufacturing. The Journal of Organic Chemistry. 86(1). 49–61. 94 indexed citations

10.

Koenig, Stefan G., Alina Borovika, Juan Colberg, et al.. (2019). A Green Chemistry Continuum for a Robust and Sustainable Active Pharmaceutical Ingredient Supply Chain. ACS Sustainable Chemistry & Engineering. 7(20). 16937–16951. 51 indexed citations

11.

Borovika, Alina, Jacob Albrecht, Jun Li, et al.. (2019). The PMI Predictor app to enable green-by-design chemical synthesis. Nature Sustainability. 2(11). 1034–1040. 36 indexed citations

12.

Sinha, Narayan, Pier Alexandre Champagne, Michael J. Rodriguez, et al.. (2019). One‐Pot Sequential Kumada–Tamao–Corriu Couplings of (Hetero)Aryl Polyhalides in the Presence of Grignard‐Sensitive Functional Groups Using Pd‐PEPPSI‐IPent^Cl. Chemistry - A European Journal. 25(26). 6508–6512. 13 indexed citations

13.

Sharif, Sepideh, Michael J. Rodriguez, Yu Lu, et al.. (2019). Sodium Butylated Hydroxytoluene (NaBHT) as a New and Efficient Hydride Source for Pd‐Catalysed Reduction Reactions. Chemistry - A European Journal. 25(57). 13099–13103. 4 indexed citations

14.

Isidro‐Llobet, Albert, Martin N. Kenworthy, Subha Mukherjee, et al.. (2019). Sustainability Challenges in Peptide Synthesis and Purification: From R&D to Production. The Journal of Organic Chemistry. 84(8). 4615–4628. 332 indexed citations breakdown →

15.

Mukherjee, Subha, et al.. (2018). Bringing Macrolactamization Full Circle: Self-Cleaving Head-to-Tail Macrocyclization of Unprotected Peptides via Mild N-Acyl Urea Activation. The Journal of Organic Chemistry. 84(2). 1035–1041. 23 indexed citations

16.

Bryan, Marian C., Peter J. Dunn, David A. Entwistle, et al.. (2018). Key Green Chemistry research areas from a pharmaceutical manufacturers’ perspective revisited. Green Chemistry. 20(22). 5082–5103. 474 indexed citations breakdown →

17.

Braden, Timothy M., Martin D. Johnson, Michael E. Kopach, et al.. (2017). Development of a Commercial Flow Barbier Process for a Pharmaceutical Intermediate. Organic Process Research & Development. 21(3). 317–326. 27 indexed citations

18.

Leahy, David K., John L. Tucker, Ingrid Mergelsberg, et al.. (2013). Seven Important Elements for an Effective Green Chemistry Program: An IQ Consortium Perspective. Organic Process Research & Development. 17(9). 1099–1109. 36 indexed citations

19.

Kopach, Michael E., et al.. (2009). Improved Synthesis of 1-(Azidomethyl)-3,5-bis-(trifluoromethyl)benzene: Development of Batch and Microflow Azide Processes. Organic Process Research & Development. 13(2). 152–160. 58 indexed citations

20.

Kolis, Stanley P., Michael E. Kopach, Ronggang Liu, & W. Dean Harman. (1997). Osmium-Promoted Electrophilic Substitution of Anisoles: A Versatile New Method for the Incorporation of Carbon Substituents. The Journal of Organic Chemistry. 62(1). 130–136. 20 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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