A concise synthesis of (±)-vincadifformine and related Aspidosperma alkaloids (±)-desethylvincadifformine, (±)-ibophyllidine, (±)-20-epi-ibophyllidine, and (±)-desethylibophyllidine
作者:Marie-Christine Barsi、Bhupesh C. Das、Jean-Louis Fourrey、Rajeswari Sundaramoorthi
DOI:10.1039/c39850000088
日期:——
An expeditious total synthesis of (±)-vincadifformine (9) and relatedAspidospermaalkaloids (±)-desethylvincadifformine (10), (±)-ibophyllidine (11), (±)-20-epi-ibophyllidine (12), and (±)-desethylibophyllidine (13)via condensation of a common indole-2-acrylate precursor (2) and an appropriate amine (4) followed by acidic treatment is reported.