Sequential Cycloaddition Approach to the Tricyclic Core of Vibsanin E. Total Synthesis of (±)-5-epi-10-epi-Vibsanin E
摘要:
[GRAPHIC]A direct access to (+/-)-5-epi-10-epi-vibsanin E is described, based on three key cycloaddition steps, a rhodium-catalyzed [4 + 3] cycloaddition, a heteronuclear [4 + 2] cycloaddition, and a photochemically induced [4 + 2] cycloaddition.
Sequential Cycloaddition Approach to the Tricyclic Core of Vibsanin E. Total Synthesis of (±)-5-epi-10-epi-Vibsanin E
摘要:
[GRAPHIC]A direct access to (+/-)-5-epi-10-epi-vibsanin E is described, based on three key cycloaddition steps, a rhodium-catalyzed [4 + 3] cycloaddition, a heteronuclear [4 + 2] cycloaddition, and a photochemically induced [4 + 2] cycloaddition.