group, DiPPF=1,1′‐bis(diisopropylphosphino)ferrocene). This reaction is suitable for a wide range of glycal‐derived γ‐ketone esters and affords C‐glycosides with exclusive β‐selectivity. The method was further applied to a concise formal synthesis of aspergillide A.
温和甜味:标题反应在温和条件下进行,具有较高的区域和非对映选择性(参见方案,
PG =保护基,DiPPF = 1,1'-双(
二异丙基膦基)
二茂铁)。该反应适用于多种糖衍生的γ-
酮酯,并提供具有独有的β-选择性的C-糖苷。该方法进一步应用于简明的曲霉内酯A的形式合成。