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| Título: | New sources of steroid sapogenins—XIX: 20S-hydroxyvespertilin, a new steroid lactone from Solanum vespertilio |
Autor: | González, Antonio G.; Freire, Raimundo CSIC ORCID; Francisco, Cosme G. CSIC; Salazar, José A.; Suárez, Ernesto CSIC ORCID | Fecha de publicación: | 1973 | Editor: | Elsevier | Citación: | Tetrahedron 29(12): 1731-1734 (1973) | Resumen: | From stems and leaves of Solanum vespertilio Ait. 20S-hydroxyvespertilin (1c), a new steroid lactone, has been isolated and the structure confirmed by synthesis of its dihydro derivative from tigogenin. 1c proved to be identical with a dihydroxy lactone obtained by Gashchenko et al as by-product of the conversion of diosgenin to 16-dehydropregnenolone. The stereochemistry at C20 proposed by these authors is revised. | Descripción: | 4 pages, 1 table, 2 schemes.-- Part XVIII: A. G. González, R. Freire, R. Hernández, J. A. Salazar and E. Suárez, Rev. Latinoam. Quím. 4: 45-51 (1973), available at: http://digital.csic.es/handle/10261/16747 | Versión del editor: | http://dx.doi.org/10.1016/0040-4020(73)80120-6 | URI: | http://hdl.handle.net/10261/16761 | DOI: | 10.1016/0040-4020(73)80120-6 | ISSN: | 0040-4020 |
| Aparece en las colecciones: | (IPNA) Artículos |
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