Gregory S. Welmaker

1.3k total citations · 1 hit paper
20 papers, 894 citations indexed

About

Gregory S. Welmaker is a scholar working on Organic Chemistry, Molecular Biology and Cellular and Molecular Neuroscience. According to data from OpenAlex, Gregory S. Welmaker has authored 20 papers receiving a total of 894 indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Organic Chemistry, 11 papers in Molecular Biology and 3 papers in Cellular and Molecular Neuroscience. Recurrent topics in Gregory S. Welmaker's work include Chemical Synthesis and Analysis (4 papers), Receptor Mechanisms and Signaling (4 papers) and Nicotinic Acetylcholine Receptors Study (4 papers). Gregory S. Welmaker is often cited by papers focused on Chemical Synthesis and Analysis (4 papers), Receptor Mechanisms and Signaling (4 papers) and Nicotinic Acetylcholine Receptors Study (4 papers). Gregory S. Welmaker collaborates with scholars based in United States, Mexico and Canada. Gregory S. Welmaker's co-authors include Marc A. Giulianotti, Richard A. Houghten, José L. Medina‐Franco, James A. Marshall, Benjamin W. Gung, Larry E. Overman, Radleigh G. Santos, Renee M. Fleeman, Lindsey N. Shaw and Gary F. Filzen and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Medicinal Chemistry and The Journal of Organic Chemistry.

In The Last Decade

Gregory S. Welmaker

19 papers receiving 855 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.

Shifting from the single to the multitarget paradigm in drug discovery

2013 361 citations José L. Medina‐Franco, Marc A. Giulianotti et al. Drug Discovery Today profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Gregory S. Welmaker United States	15	478	359	176	128	63	20	894
Hiroshi Kogen Japan	24	502 1.1×	809 2.3×	170 1.0×	398 3.1×	58 0.9×	76	1.4k
Sevim Dalkara Türkiye	16	331 0.7×	500 1.4×	108 0.6×	111 0.9×	37 0.6×	33	809
Kuldeep K. Roy India	21	442 0.9×	379 1.1×	259 1.5×	213 1.7×	75 1.2×	49	985
Mario Brufani Italy	16	312 0.7×	426 1.2×	129 0.7×	269 2.1×	20 0.3×	43	901
Lesetja J. Legoabe South Africa	19	338 0.7×	601 1.7×	117 0.7×	291 2.3×	52 0.8×	79	1.1k
Giovanni Grazioso Italy	23	737 1.5×	336 0.9×	181 1.0×	117 0.9×	131 2.1×	73	1.2k
Nathaniel C. Gilbert United States	13	533 1.1×	284 0.8×	73 0.4×	309 2.4×	70 1.1×	28	1.1k
Samir Yahiaoui France	22	472 1.0×	435 1.2×	182 1.0×	398 3.1×	43 0.7×	40	1.1k
Regina Ortmann Germany	16	482 1.0×	359 1.0×	164 0.9×	166 1.3×	13 0.2×	38	942
Isaac M. Westwood United Kingdom	26	1.1k 2.2×	207 0.6×	160 0.9×	93 0.7×	31 0.5×	45	1.6k

Countries citing papers authored by Gregory S. Welmaker

Since Specialization

Citations

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

Fields of papers citing papers by Gregory S. Welmaker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gregory S. Welmaker. 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 Gregory S. Welmaker. The network helps show where Gregory S. Welmaker may publish in the future.

Co-authorship network of co-authors of Gregory S. Welmaker

This figure shows the co-authorship network connecting the top 25 collaborators of Gregory S. Welmaker. A scholar is included among the top collaborators of Gregory S. Welmaker 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 Gregory S. Welmaker. Gregory S. Welmaker 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

Fleeman, Renee M., Radleigh G. Santos, Gregory S. Welmaker, et al.. (2018). Identification of a Novel Polyamine Scaffold With Potent Efflux Pump Inhibition Activity Toward Multi-Drug Resistant Bacterial Pathogens. Frontiers in Microbiology. 9. 1301–1301. 33 indexed citations

Cippitelli, Andrea, Jennifer J. Schoch, Christopher J. Armishaw, et al.. (2018). Differential regulation of alcohol taking and seeking by antagonism at α4β2 and α3β4 nAChRs. Psychopharmacology. 235(6). 1745–1757. 7 indexed citations

Wu, Jinhua, Andrea Cippitelli, Jennifer J. Schoch, et al.. (2017). Highly Selective and Potent α4β2 nAChR Antagonist Inhibits Nicotine Self-Administration and Reinstatement in Rats. Journal of Medicinal Chemistry. 60(24). 10092–10104. 10 indexed citations

Fleeman, Renee M., Radleigh G. Santos, Adel Nefzi, et al.. (2015). Combinatorial Libraries As a Tool for the Discovery of Novel, Broad-Spectrum Antibacterial Agents Targeting the ESKAPE Pathogens. Journal of Medicinal Chemistry. 58(8). 3340–3355. 72 indexed citations

Medina‐Franco, José L., Marc A. Giulianotti, Gregory S. Welmaker, & Richard A. Houghten. (2013). Shifting from the single to the multitarget paradigm in drug discovery. Drug Discovery Today. 18(9-10). 495–501. 361 indexed citations breakdown →

Wu, Jinhua, Radleigh G. Santos, Gregory S. Welmaker, et al.. (2013). Scaffold Ranking and Positional Scanning Utilized in the Discovery of nAChR-Selective Compounds Suitable for Optimization Studies. Journal of Medicinal Chemistry. 56(24). 10103–10117. 28 indexed citations

Filzen, Gary F., et al.. (2009). A microwave-assisted, green procedure for the synthesis of N-aryl sulfonyl and N-aryl pyrroles. Tetrahedron Letters. 50(34). 4807–4809. 30 indexed citations

Moore, William, Jeffrey C. Kern, Ramesh A. Bhat, et al.. (2008). Modulation of Wnt Signaling Through Inhibition of Secreted Frizzled-Related Protein I (sFRP-1) with N-Substituted Piperidinyl Diphenylsulfonyl Sulfonamides. Journal of Medicinal Chemistry. 52(1). 105–116. 47 indexed citations

Sabb, Annmarie L., Robert L. Vogel, Gregory S. Welmaker, et al.. (2004). Cycloalkyl[b][1,4]benzodiazepinoindoles are agonists at the human 5-HT2C receptor. Bioorganic & Medicinal Chemistry Letters. 14(10). 2603–2607. 21 indexed citations

10.

Welmaker, Gregory S., et al.. (2004). A process for the preparation of 1,2,3,4,8,9,10,10a-octahydro-7bH-cyclopenta[b][1,4]diazepino[6,7,1-hi]indole. Tetrahedron Letters. 45(25). 4851–4854. 26 indexed citations

11.

Welmaker, Gregory S., James A. Nelson, Annmarie L. Sabb, et al.. (2000). Synthesis and 5-Hydroxytryptamine (5-HT) activity of 2,3,4,4a-Tetrahydro-1H-pyrazino[1,2-a]quinoxalin-5-(6H)ones and 2,3,4,4a,5,6-Hexahydro-1H-pyrazino[1,2-a]quinoxalines. Bioorganic & Medicinal Chemistry Letters. 10(17). 1991–1994. 30 indexed citations

12.

Marshall, James A., Jill A. Jablonowski, & Gregory S. Welmaker. (1996). On the Relative Reactivities of Allyl, Crotyl, α-Oxygenated Crotyl, γ-Oxygenated α-Methylallyl, and Allenyl Tri-n-butylstannane Reagents in Lewis Acid Promoted Additions to Aldehydes. The Journal of Organic Chemistry. 61(8). 2904–2907. 18 indexed citations

13.

Overman, Larry E., et al.. (1995). Mannich Biscyclizations. Total Synthesis of (-)-Ajmalicine. Journal of the American Chemical Society. 117(36). 9139–9150. 50 indexed citations

14.

Overman, Larry E., et al.. (1994). A Convenient Method for the Preparation of 3-Substituted Glutarate Diesters. The Journal of Organic Chemistry. 59(7). 1946–1946. 10 indexed citations

15.

Marshall, James A. & Gregory S. Welmaker. (1994). Enantioselective Synthesis of (+)- and (-)-Muricatacin through SE2' Addition of Nonracemic .gamma.-Silyloxy Allylic Stannanes to Aldehydes. The Journal of Organic Chemistry. 59(15). 4122–4125. 28 indexed citations

16.

Welmaker, Gregory S.. (1993). A SIMPLE, EFFICIENT PREPARATION OF 1,1-BIS(TRIMETHYLSILOXY)-1,3-BUTADIENE. Organic Preparations and Procedures International. 25(5). 595–597. 1 indexed citations

17.

Marshall, James A. & Gregory S. Welmaker. (1992). Stereoselective Synthesis of the Cytotoxic Acetogenins (+)- and (-)-Muricatacin. Synlett. 1992(6). 537–538. 19 indexed citations

18.

Marshall, James A. & Gregory S. Welmaker. (1992). (Z)- and (E)-.gamma.-silyloxy allylic stannanes. Highly syn selective reagents for SE' additions to aldehydes. The Journal of Organic Chemistry. 57(26). 7158–7163. 26 indexed citations

19.

Marshall, James A. & Gregory S. Welmaker. (1991). Chiral γ-silyloxy allylstannanes as synthetic reagents. Proof of absolute configuration. Tetrahedron Letters. 32(19). 2101–2104. 13 indexed citations

20.

Marshall, James A., Gregory S. Welmaker, & Benjamin W. Gung. (1991). On the 1,3-isomerization of nonracemic .alpha.-(alkoxy)allylstannanes. Journal of the American Chemical Society. 113(2). 647–656. 64 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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