The first asymmetric total synthesis of a structurally unique alkaloid, chamobtusin A (1), is described. The route features a novel aziridine formation from the 1,2-oxazine derivative and a palladium-mediated annulation of the vinylaziridine intermediate.
The first asymmetric total synthesis of a structurally unique alkaloid, chamobtusin A (1), is described. The route features a novel aziridine formation from the 1,2-oxazine derivative and a palladium-mediated annulation of the vinylaziridine intermediate.
The first asymmetric total synthesis of a structurally unique alkaloid, chamobtusin A (1), is described. The route features a novel aziridine formation from the 1,2-oxazine derivative and a palladium-mediated annulation of the vinylaziridine intermediate.