SCHEDULED MAINTENANCE
Oxidation of the didehydro lactam (6b), prepared by regiospecific photocyclisation of the o-methoxy-substituted enamide (7), with lead tetra-acetate gave exclusively the 12-acetoxy lactam (8b) which was subjected to further oxidation and reduction to develop a general and potential synthetic route for the total synthesis of the chelidonine group of alkaloids.
I. Ninomiya, O. Yamamoto and T. Naito, J. Chem. Soc., Perkin Trans. 1, 1983, 2165 DOI: 10.1039/P19830002165
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