Synthesis of the tetracyclic ABCE ring subunit I, bearing the 13- membered azacycle, of manzamine A

Article abstract of DOI:10.1016/S0040-4020(98)00479-7

The tetracyclic ABCE ring, which bears the crucial 13-membered azacycle, of manzamine A has been synthesized through the corresponding bicyclic BC ring subunit as a promising synthetic intermediate.