Thomas F. Spande

7.9k citations

118 papers · 5.4k indexed · 2 hit papers · h-index 41

Insect Science top 0.5%
- Insect and Pesticide Research 30
Organic Chemistry top 0.5%
- Chemical synthesis and alkaloids 25
- Advanced Synthetic Organic Chemistry 8
Global and Planetary Change top 1%
- Amphibian and Reptile Biology 21
Ecology, Evolution, Behavior and Systematics top 0.5%
- Plant and animal studies 11
Microbiology top 2%
Molecular Biology
- Nicotinic Acetylcholine Receptors Study 14
Genetics
- Venomous Animal Envenomation and Studies 9
Pharmacology
- Plant-based Medicinal Research 9

Co-authors: H. Martin Garraffo John W. Daly Ralph A. Saporito Maureen A. Donnelly Herman J. C. Yeh Bernhard Witkop Lewis K. Pannell Michael W. Edwards
Cited by: Insect Science Organic Chemistry Global and Planetary Change
Partner nations: United States Japan Puerto Rico

In The Last Decade

Thomas F. Spande

115 papers receiving 5.2k citations

Hit Papers

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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.

2005 Alkaloids from Amphibian Skin: A Tabulation of Over Eight-Hundred Compounds
1992 Epibatidine: a novel (chloropyridyl)azabicycloheptane with potent analgesic activity from an Ecuadoran poison frog

Peers

Countries citing papers authored by Thomas F. Spande

Since Specialization

Citations

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

Fields of papers citing papers by Thomas F. Spande

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas F. Spande. 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 Thomas F. Spande. The network helps show where Thomas F. Spande may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Thomas F. Spande, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Thomas F. Spande Line = papers co-authored together Thomas F. Spande links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Taxonomic distribution of defensive alkaloids in Nearctic oribatid mites (Acari, Oribatida) Ralph A. Saporito,Roy A. Norton,Martin H. Garraffo,Thomas F. Spande	2015	19
2	Sex-Related Differences in Alkaloid Chemical Defenses of the Dendrobatid Frog Oophaga pumilio from Cayo Nancy, Bocas del Toro, Panama Ralph A. Saporito,Maureen A. Donnelly,Anne A. Madden,H. Martin Garraffo,Thomas F. Spande	2009	51
3	Individual and Geographic Variation of Skin Alkaloids in Three Species of Madagascan Poison Frogs (Mantella) John W. Daly,H. Martin Garraffo,Thomas F. Spande,LesleyAnn Giddings,Ralph A. Saporito,David R. Vieites,Miguel Vences	2008	31
4	Alkaloids in Bufonid Toads (Melanophryniscus): Temporal and Geographic Determinants for Two Argentinian Species John W. Daly,Jason M. Wilham,Thomas F. Spande,H. Martin Garraffo,Roberto R. Gil,Gloria L. Silva,Marcos Vaira	2007	48
5	Flexible synthetic routes to poison-frog alkaloids of the 5,8-disubstituted indolizidine-class I: synthesis of common lactam chiral building blocks and application to the synthesis of (-)-203A, (-)-205A, and (-)-219F Naoki Toyooka,Dejun Zhou,Hideo Nemoto,H. Martin Garraffo,Thomas F. Spande,John W. Daly	2007	17
6	Flexible synthesis of poison-frog alkaloids of the 5,8-disubstituted indolizidine-class. II: Synthesis of (-)-209B, (-)-231C, (-)-233D, (-)-235B", (-)-221I, and an epimer of 193E and pharmacological effects at neuronal nicotinic acetylcholine receptors Soushi Kobayashi,Naoki Toyooka,Dejun Zhou,Hiroshi Tsuneki,Tsutomu Wada,Toshiyasu Sasaoka,Hideki Sakai,Hideo Nemoto,H. Martin Garraffo,Thomas F. Spande,John W. Daly	2007	13
7	A concise method for the preparation of deuterium-labeled cortisone: Synthesis of [6,7-H]cortisone Agnieszka Sulima,Thomas E. Prisinzano,Thomas F. Spande,Jeffrey R. Deschamps,Nadine Whittaker,Ze’ev Hochberg,Allan Jacobson,Kenner C. Rice	2005	5
8	Biologically active substances from amphibians: preliminary studies on anurans from twenty-one genera of Thailand John W. Daly,Naratitt Noimai,Boonsong Kongkathip,Ngampong Kongkathip,Jason M. Wilham,H. Martin Garraffo,Tetsuo Kaneko,Thomas F. Spande,Yuth Nimit,Jarujin Nabhitabhata,Tanya Chan-ard	2004	58
9	Synthesis of Alkaloid 223A and a Structural Revision Naoki Toyooka,Ayako Fukutome,Hideo Nemoto,John W. Daly,Thomas F. Spande,H. Martin Garraffo,Tetsuo Kaneko	2002	51
10	Ammonia chemical ionization tandem mass spectrometry in structural determination of alkaloids. II. Tetraponerines from pseudomyrmecine ants H. Martin Garraffo,Thomas F. Spande,Poonam Jain,Tetsuo Kaneko,Tappey H. Jones,Murray S. Blum,T. M. Musthak Ali,Roy R. Snelling,Lynne A. Isbell,H. G. Robertson,John W. Daly	2001	9
11	Alkaloids from frog skin: the discovery of epibatidine and the potential for developing novel non-opioid analgesics John W. Daly,H. Martin Garraffo,Thomas F. Spande,Michael Decker,James P. Sullivan,Michael Williams	2000	88
12	A Stereospecific Synthesis of (±)-5,8-Disubstituted Indolizidines and (±)-1,4-Disubstituted Quinolizidines Found in Poison Frog Skins Patrick Michel,A. Rassat,J W Daly,Thomas F. Spande	2000	35
13	Ammonia chemical ionization tandem mass spectrometry in structure determination of alkaloids. I. Pyrrolidines, piperidines, decahydroquinolines, pyrrolizidines, indolizidines, quinolizidines and an azabicyclo[5.3.0]decane H. Martin Garraffo,Thomas F. Spande,Tappey H. Jones,John W. Daly	1999	15
14	A Gas Chromatographic–Mass Spectral Assay for the Quantitative Determination of Oleamide in Biological Fluids (unknown),Henry M. Fales,Thomas F. Spande,Anthony S. Basile	1999	28
15	A 1,4-Disubstituted Quinolizidine from a Madagascan Mantelline Frog (Mantella) Poonam Jain,H. Martin Garraffo,Herman J. C. Yeh,Thomas F. Spande,John W. Daly,Nirina R. Andriamaharavo,Marta Andriantsiferana	1996	26
16	Chemistry of venom alkaloids in someSolenopsis (Diplorhoptrum) species from Puerto Rico T. Hefin Jones,Juan A. Torres,Thomas F. Spande,H. Martin Garraffo,Murray S. Blum,Roy R. Snelling	1996	34
17	A New Subclass of Alkaloids from a Dendrobatid Poison Frog: A Structure for Deoxypumiliotoxin 251H Poonam Jain,H. Martin Garraffo,Thomas F. Spande,Herman J. C. Yeh,J W Daly	1995	28
18	An uptake system for dietary alkaloids in poison frogs (Dendrobatidae) John W. Daly,Sherrie Secunda,H. Martin Garraffo,Thomas F. Spande,Anthony Wisnieski,Jack F. Cover	1994	126
19	Alkaloids from Bufonid Toads (Melanophryniscus): Decahydroquinolines, Pumiliotoxins and Homopumiliotoxins, Indolizidines, Pyrrolizidines, and Quinolizidines H. Martin Garraffo,Thomas F. Spande,John W. Daly,Alicia Baldessari,Eduardo G. Gros	1993	98
20	Variability in alkaloid profiles in neotropical poison frogs (Dendrobatidae): Genetic versus environmental determinants John W. Daly,Sherrie Secunda,H. Martin Garraffo,Thomas F. Spande,Anthony Wisnieski,Charles Nishihira,John F. Cover	1992	49

About Thomas F. Spande

Thomas F. Spande is a scholar working on Insect Science, Organic Chemistry and Pharmacology, having authored 118 papers that have together received 5.4k indexed citations. Recurring topics across this work include Insect and Pesticide Research (30 papers), Chemical synthesis and alkaloids (25 papers), Amphibian and Reptile Biology (21 papers), Nicotinic Acetylcholine Receptors Study (14 papers), Plant and animal studies (11 papers), Venomous Animal Envenomation and Studies (9 papers), Plant-based Medicinal Research (9 papers) and Advanced Synthetic Organic Chemistry (8 papers). The work is most often cited by research in Insect Science (963 citations), Organic Chemistry (2.2k citations) and Global and Planetary Change (1.4k citations). Thomas F. Spande has collaborated with scholars based in United States, Japan and Puerto Rico. Frequent co-authors include H. Martin Garraffo, John W. Daly, Ralph A. Saporito, Maureen A. Donnelly, Herman J. C. Yeh, Bernhard Witkop, Lewis K. Pannell, Michael W. Edwards, John P. Dumbacher and Poonam Jain.

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