William Billard

1.3k total citations · 1 hit paper
24 papers, 1.1k citations indexed

About

William Billard is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Organic Chemistry. According to data from OpenAlex, William Billard has authored 24 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Molecular Biology, 19 papers in Cellular and Molecular Neuroscience and 2 papers in Organic Chemistry. Recurrent topics in William Billard's work include Receptor Mechanisms and Signaling (18 papers), Neuropeptides and Animal Physiology (10 papers) and Neuroscience and Neuropharmacology Research (9 papers). William Billard is often cited by papers focused on Receptor Mechanisms and Signaling (18 papers), Neuropeptides and Animal Physiology (10 papers) and Neuroscience and Neuropharmacology Research (9 papers). William Billard collaborates with scholars based in United States. William Billard's co-authors include Gordon Crosby, Louis C. Iorio, Allen Barnett, Vilma Ruperto, Herbert Binch, A Barnett, Richard McQuade, Richard E. Chipkin, Joel G. Berger and Ruth A. Duffy and has published in prestigious journals such as Pain, Journal of Medicinal Chemistry and Antimicrobial Agents and Chemotherapy.

In The Last Decade

William Billard

24 papers receiving 1.0k 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.

Characterization of the binding of 3H-SCH 23390, a selective D-1 receptor antagonist ligand, in rat striatum

1984 517 citations William Billard, Vilma Ruperto et al. Life Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
William Billard United States	13	710	640	175	110	88	24	1.1k
Hyacinth C. Akunne United States	24	1.0k 1.4×	925 1.4×	248 1.4×	107 1.0×	84 1.0×	49	1.5k
Porntip Supavilai Thailand	24	1.0k 1.4×	844 1.3×	105 0.6×	100 0.9×	106 1.2×	43	1.5k
Lillian E. Dyck Canada	19	569 0.8×	425 0.7×	132 0.8×	167 1.5×	110 1.3×	57	1.3k
Les P. Davies Australia	20	719 1.0×	548 0.9×	173 1.0×	123 1.1×	81 0.9×	45	1.3k
Jacques Vignon France	20	912 1.3×	849 1.3×	106 0.6×	76 0.7×	86 1.0×	54	1.4k
Allen Barnett United States	19	861 1.2×	724 1.1×	114 0.7×	165 1.5×	92 1.0×	38	1.4k
C. Malgouris France	15	660 0.9×	455 0.7×	85 0.5×	83 0.8×	66 0.8×	25	947
Raymond G. Booth United States	23	784 1.1×	810 1.3×	211 1.2×	78 0.7×	102 1.2×	70	1.4k
Durk Dijkstra Netherlands	22	865 1.2×	784 1.2×	328 1.9×	74 0.7×	108 1.2×	79	1.5k
Joanne R. Mathiasen United States	19	443 0.6×	643 1.0×	155 0.9×	231 2.1×	106 1.2×	51	1.2k

Countries citing papers authored by William Billard

Since Specialization

Citations

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

Fields of papers citing papers by William Billard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William Billard. 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 William Billard. The network helps show where William Billard may publish in the future.

Co-authorship network of co-authors of William Billard

This figure shows the co-authorship network connecting the top 25 collaborators of William Billard. A scholar is included among the top collaborators of William Billard 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 William Billard. William Billard 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

Clader, John W., William Billard, Herbert Binch, et al.. (2003). Muscarinic M2 antagonists: anthranilamide derivatives with exceptional selectivity and in vivo activity. Bioorganic & Medicinal Chemistry. 12(2). 319–326. 18 indexed citations

Vice, Susan F., Samuel Chackalamannil, Stuart W. McCombie, et al.. (2002). Enhancement of pharmacokinetic properties and in vivo efficacy of benzylidene ketal M2 muscarinic receptor antagonists via benzamide modification. Bioorganic & Medicinal Chemistry Letters. 12(23). 3479–3482. 5 indexed citations

Kozlowski, Joseph A., Guowei Zhou, Jayaram R. Tagat, et al.. (2002). Substituted 2-(R)-Methyl piperazines as muscarinic M2 selective ligands. Bioorganic & Medicinal Chemistry Letters. 12(5). 791–794. 15 indexed citations

Wang, Yuguang, Samuel Chackalamannil, Zhiyong Hu, et al.. (2002). Improving the Oral Efficacy of CNS Drug Candidates: Discovery of Highly Orally Efficacious Piperidinyl Piperidine M₂ Muscarinic Receptor Antagonists. Journal of Medicinal Chemistry. 45(25). 5415–5418. 9 indexed citations

Carey, Galen, William Billard, Herbert Binch, et al.. (2001). SCH 57790, a selective muscarinic M2 receptor antagonist, releases acetylcholine and produces cognitive enhancement in laboratory animals. European Journal of Pharmacology. 431(2). 189–200. 59 indexed citations

Lachowicz, Jean E., Ruth A. Duffy, Vilma Ruperto, et al.. (2001). Facilitation of acetylcholine release and improvement in cognition by a selective M2 muscarinic antagonist, SCH 72788. Life Sciences. 68(22-23). 2585–2592. 32 indexed citations

Billard, William, Herbert Binch, Gordon Crosby, et al.. (2000). Diphenylsulfone muscarinic antagonists: piperidine derivatives with high m2 selectivity and improved potency. Bioorganic & Medicinal Chemistry Letters. 10(19). 2209–2212. 13 indexed citations

Wang, Yuguang, Samuel Chackalamannil, Zhiyong Hu, et al.. (2000). Design and synthesis of piperidinyl piperidine analogues as potent and selective M2 muscarinic receptor antagonists. Bioorganic & Medicinal Chemistry Letters. 10(20). 2247–2250. 85 indexed citations

Kozlowski, Joseph A., Derek Lowe, Henry Guzik, et al.. (2000). Diphenyl sulfoxides as selective antagonists of the muscarinic M2 receptor. Bioorganic & Medicinal Chemistry Letters. 10(20). 2255–2257. 10 indexed citations

10.

Chackalamannil, Samuel, Sundeep Dugar, William Billard, et al.. (2000). Benzylidene ketal derivatives as M2 muscarinic receptor antagonists. Bioorganic & Medicinal Chemistry Letters. 10(24). 2727–2730. 8 indexed citations

11.

Billard, William, Herbert Binch, Gordon Crosby, & Richard McQuade. (1995). Identification of the primary muscarinic autoreceptor subtype in rat striatum as m2 through a correlation of in vivo microdialysis and in vitro receptor binding data.. Journal of Pharmacology and Experimental Therapeutics. 273(1). 273–279. 93 indexed citations

12.

Billard, William, Gordon Crosby, Louis C. Iorio, Richard E. Chipkin, & A Barnett. (1988). Selective affinity of the benzodiazepines quazepam and 2-oxo-quazepam for BZ1 binding site and demonstration of 3H-2-oxo-quazepam as a BZ1 selective radioligand. Life Sciences. 42(2). 179–187. 18 indexed citations

13.

Chipkin, Richard E., Joel G. Berger, William Billard, et al.. (1988). Pharmacology of SCH 34826, an orally active enkephalinase inhibitor analgesic.. Journal of Pharmacology and Experimental Therapeutics. 245(3). 829–838. 82 indexed citations

14.

Chipkin, Richard E., et al.. (1987). SCH 34826, the first orally active, enkephalinase inhibitor analgesic. Pain. 30. S254–S254. 3 indexed citations

15.

Barnett, Allen, Ho-Sam Ahn, William Billard, et al.. (1986). Relative activities of SCH 23390 and its analogs in three tests for D1/DA1 dopamine receptor antagonism. European Journal of Pharmacology. 128(3). 249–253. 32 indexed citations

16.

Barnett, Allen, Louis C. Iorio, & William Billard. (1985). Novel Receptor Specificity of Selected Benzodiazepines. Clinical Neuropharmacology. 8. S8–S16. 10 indexed citations

17.

Billard, William, Vilma Ruperto, Gordon Crosby, Louis C. Iorio, & Allen Barnett. (1984). Characterization of the binding of 3H-SCH 23390, a selective D-1 receptor antagonist ligand, in rat striatum. Life Sciences. 35(18). 1885–1893. 517 indexed citations breakdown →

18.

Iorio, Louis C., A Barnett, & William Billard. (1984). Selective affinity of 1-N-trifluoroethyl benzoidiazepines for cerebellar type 1 receptor sites. Life Sciences. 35(1). 105–113. 33 indexed citations

19.

Chipkin, Richard E., William Kreutner, & William Billard. (1984). Potentiation of the hypoglycemic effect of insulin by thiorphan, an enkephalinase inhibitor. European Journal of Pharmacology. 102(1). 151–154. 8 indexed citations

20.

Billard, William, et al.. (1972). The metabolism of chlorpheniramine maleate in the dog and rat.. PubMed. 199(1). 172–90. 6 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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