Synthesis and Absolute Configuration of (20R)-20-Acetyl-23,24- bisnorcholanic Lactones Prepared from (E)-(20S,25R)- and (E)-(20S,25S)- 20,23-Diacetylfurost-22-enes

The synthesis of (20R)-20-acetyl-23,24-bisnorcholaniclactones from (E)-(20S,25R)- and (E)-(20S,25R)-20,23-diacetylfurost-22-enes (derived from diosgenin, hecogenin and sarsasapogenin)is reported. The configuration of the stereogenic center at C-20 wasdetermined by NMR and single crystal X-ray diffra...

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Détails bibliographiques
Publié dans:Journal of the Mexican Chemical Society
Auteurs principaux: Víctor Gómez Calvario, Guadalupe Hernández Linares, Socorro Meza Reyes, Sara Montiel Smith, Jesús Sandoval Ramírez, Sylvain Bernès
Format: Artigo
Langue:Inglês
Publié: Sociedad Química de México 2007
Sujets:
Química
23
24
20
22
Accès en ligne:https://www.redalyc.org/articulo.oa?id=47551409
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