New hydroxylated withanolides from Salpichroa origanifolia

From the leaves of Salpichroa origanifolia three new withanolides, (20S,22R,24S,25S,26R)-5α,6α:22,26:24,25-triepoxy-15,26-dihydroxy- 17(13→18)-abeo-ergosta-2,13,15,17-tetraen-1-one (salpichrolide G, 1), (20S,22R,24S,25R)-5α,6α:22,26-diepoxy-24,25,26-trihydroxy-17(13→18)-abeo- ergosta-2,13,15,17-tetr...

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Detalles Bibliográficos
Autor principal: Tettamanzi, M.C
Otros Autores: Veleiro, A.S, Oberti, J.C, Burton, G.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: American Chemical Society 1998
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
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024 7 |2 cas  |a withanolide, 40326-62-3 
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030 |a JNPRD 
100 1 |a Tettamanzi, M.C. 
245 1 0 |a New hydroxylated withanolides from Salpichroa origanifolia 
260 |b American Chemical Society  |c 1998 
270 1 0 |m Burton, G.; Departamento de Quimica Organica, Fac. de Ciencias Exactas/Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina; email: burton@qo.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
504 |a Ray, A.B., Gupta, M., (1994) Prog. Chem. Org. Nat. Prod., 63, pp. 1-106 
504 |a Baumann, T.W., Meier, C.M., (1993) Phytochemistry, 33, pp. 317-321 
504 |a Dinan, L., Whiting, P., Alfonso, D., Kapetanidis, I., (1996) Entomol. Exp. Appl., 80, pp. 415-420 
504 |a Veleiro, A.S., Oberti, J.C., Burton, G., (1992) Phytochemistry, 31, pp. 935-937 
504 |a Veleiro, A.S., Burton, G., Bonetto, G.M., Gil, R.R., Oberti, J.C., (1994) J. Nat. Prod., 57, pp. 1741-1745 
504 |a Tettamanzi, M.C., Veleiro, A.S., Oberti, J.C., Burton, G., (1996) Phytochemistry, 43, pp. 461-463 
504 |a Begley, M.J., Crombie, L., Ham, P.J., Whiting, D.A., (1972) J. Chem. Soc., Chem. Commun., pp. 1250-1251 
504 |a Bates, R.B., Eckert, D.J., (1972) J. Am. Chem. Soc., 94, pp. 8258-8260 
504 |a Kirson, I., Gottlieb, H., Glotter, E., (1980) J. Chem. Res., Synop., p. 125 
504 |a (1980) J. Chem. Res., Miniprint, pp. 2134-2156 
504 |a note; note; note 
520 3 |a From the leaves of Salpichroa origanifolia three new withanolides, (20S,22R,24S,25S,26R)-5α,6α:22,26:24,25-triepoxy-15,26-dihydroxy- 17(13→18)-abeo-ergosta-2,13,15,17-tetraen-1-one (salpichrolide G, 1), (20S,22R,24S,25R)-5α,6α:22,26-diepoxy-24,25,26-trihydroxy-17(13→18)-abeo- ergosta-2,13,15,17-tetraen-1-one (salpichrolide H, 2), and (20S,22R,25S)- 5α,6α:22,26-diepoxy-25,26-dihydroxy-17(13→18)-abeo-ergosta-2,13,15,17,23- pentaen-1-one (salpichrolide I, 3), were isolated and characterized by spectroscopic methods and with the aid of molecular modeling. The latter two compounds were obtained as an epimeric mixture at C-26.  |l eng 
593 |a Depto. de Quim. Orgánica, Pabellón 2, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Depto. de Quim. Orgánica, Facultad de Ciencias Químicas, Univ. Nacional de Córdoba, Ap. Postal 4, Casilla 61, 5000 Córdoba, Argentina 
690 1 0 |a SALPICHROLIDE G 
690 1 0 |a SALPICHROLIDE H 
690 1 0 |a SALPICHROLIDE I 
690 1 0 |a UNCLASSIFIED DRUG 
690 1 0 |a WITHANOLIDE 
690 1 0 |a ARTICLE 
690 1 0 |a CARBON NUCLEAR MAGNETIC RESONANCE 
690 1 0 |a CHEMICAL STRUCTURE 
690 1 0 |a HYDROXYLATION 
690 1 0 |a MOLECULAR MODEL 
690 1 0 |a NUCLEAR OVERHAUSER EFFECT 
690 1 0 |a PLANT LEAF 
690 1 0 |a PROTON NUCLEAR MAGNETIC RESONANCE 
690 1 0 |a SPECTROSCOPY 
690 1 0 |a STEREOCHEMISTRY 
690 1 0 |a SALPICHROA ORIGANIFOLIA 
700 1 |a Veleiro, A.S. 
700 1 |a Oberti, J.C. 
700 1 |a Burton, G. 
773 0 |d American Chemical Society, 1998  |g v. 61  |h pp. 338-342  |k n. 3  |p J. Nat. Prod.  |x 01633864  |t Journal of Natural Products 
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856 4 0 |u https://doi.org/10.1021/np970387s  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_01633864_v61_n3_p338_Tettamanzi  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01633864_v61_n3_p338_Tettamanzi  |y Registro en la Biblioteca Digital 
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