Search Results - "Garraffo, H.M"

Formicine ants: An arthropod source for the pumiliotoxin alkaloids of dendrobatid poison frogs by Saporito, R.A, Garraffo, H.M, Donnelly, M.A, Edwards, A.L, Longino, J.T, Daly, J.W

“…A remarkable diversity of bioactive lipophilic alkaloids is present in the skin of poison frogs and toads worldwide. Originally discovered in neotropical…”
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Venom Chemistry of the Ant Myrmicaria melanogaster from Brunei by Jones, Tappey H, Voegtle, Heather L, Miras, Heather M, Weatherford, Robert G, Spande, Thomas F, Garraffo, H. Martin, Daly, John W, Davidson, Diane W, Snelling, Roy R

“…Analysis of the extracts of the ant Myrmicaria melanogaster from Brunei in the Indonesian archipelago by GC-MS and GC-IR revealed the presence of five new…”
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Further alkaloids common to ants and frogs: decahydroquinolines and a quinolizidine by Jones, T.H, Gorman, J.S.T, Snelling, R.R, Delabie, J.H.C, Blum, M.S, Garraffo, H.M, Jain, P, Daly, J.W, Spande, T.F

“…Three alkaloids--two minor decahydroquinolines (DHQs) and a major quinolizidine--were detected in an extract of a Brazilian myrmicine ant (Solenopsis…”
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Dietary source for skin alkaloids of poison frogs (Dendrobatidae)? by DALY, J. W, GARRAFFO, H. M, SPANDE, T. F, JARAMILLO, C, RAND, A. S

“…A wide range of alkaloids, many of which are unknown elsewhere in nature, occur in skin of frogs. Major classes of such alkaloids in dendrobatid frogs are the…”
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Alkaloid 223A: the first trisubstituted indolizidine from dendrobadid frogs by Garraffo, H.M. (NIDDK, Bethesda, MD.), Jain, P, Spande, T.F, Daly, J.W

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Chemistry of venom alkaloids in some Solenopsis (Diplorhoptrum) species from Puerto Rico by Jones, T.H. (Virginia Military Institute, Lexington, VA.), Torres, J.A, Spande, T.F, Garraffo, H.M, Blum, M.S, Snelling, R.R

“…A number of 15-carbon alkaloids have been identified in venom extracts of four Puerto Rican species of ants in the genus Solenopsis (Diplorhoptrum). Workers of…”
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3-Methyl-4-phenylpyrrole from the Ants Anochetus kempfi and Anochetus mayri by Jones, T. H, Flournoy, R. C, Torres, J. A, Snelling, R. R, Spande, T. F, Garraffo, H. M

“…The cephalic extracts of the ant Anochetus kempfi were found to contain 2,5-dimethyl-3-isoamylpyrazine (1) and 3-methyl-4-phenylpyrrole (2). The structures of…”
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A New Subclass of Alkaloids from a Dendrobatid Poison Frog: A Structure for Deoxypumiliotoxin 251H by Jain, P, Garraffo, H. M, Spande, T. F, Yeh, H. J. C, Daly, J. W

“…Deoxypumiliotoxin 251H [4], representing a new subclass of the pumiliotoxin-A class of alkaloids, has been isolated from a dendrobatid frog, Epipedobates…”
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3-hexyl-5-methylindolizidine isomers from thief ants, Solenopsis (Diplorhoptrum) species by Gorman, J.S.T. (Virginia Military Institute, Lexington, VA.), Jones, T.H, Spande, T.F, Snelling, R.R, Torres, J.A, Garraffo, H.M

“…The venom alkaloids from the workers of nine collections of Solenopsis (Diplorhoptrum) from California contain either (5E,9E)-3-hexyl-5-methylindolizidine (1c)…”
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A 1,4-Disubstituted Quinolizidine from a Madagascan Mantelline Frog (Mantella) by Jain, Poonam, Garraffo, H. Martin, Yeh, Herman J. C, Spande, Thomas F, Daly, John W, Andriamaharavo, N. R, Andriantsiferana, M

“…A major alkaloid, 217A, in skin extracts of a mantelline frog (Mantella baroni) was isolated by HPLC and the structure defined by 1H-NMR spectral analysis as…”
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Occurrence and Significance of Decahydroquinolines from Dendrobatid Poison Frogs and a Myrmicine Ant:  Use of 1H and 13C NMR in Their Conformational Analysis by Spande, Thomas F, Jain, Poonam, Garraffo, H. Martin, Pannell, Lewis K, Yeh, Herman J. C, Daly, John W, Fukumoto, Sinji, Imamura, Kohji, Tokuyama, Takashi, Torres, Juan A, Snelling, Roy R, Jones, Tappey H

“…Structures for 2,5-disubstituted decahydroquinolines (DHQs) are reported for the two diastereomeric pairs cis-275B (14) and cis-275B‘ (15) and…”
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