Total syntheses of chelidonine and norchelidonine via an enamide-benzyne-[2 + 2] cycloaddition cascade.

Total syntheses of chelidonine and norchelidonine via an enamide-benzyne-[2 + 2] cycloaddition cascade.

Organic letters (2012-05-12)

Zhi-Xiong Ma, John B Feltenberger, Richard P Hsung

ABSTRACT

Total syntheses of chelidonine and norchelidonine featuring an enamide-benzyne-[2 + 2] cycloaddition initiated cascade is described. The cascade includes a pericyclic ring-opening and intramolecular Diels-Alder reaction.

MATERIALI

N° Catalogo

Marchio

Descrizione del prodotto

54274

Sigma-Aldrich

Chelidonine, ≥97.0% (HPLC)