Arboflorine, an Unusual Pentacyclic Monoterpenoid Indole Alkaloid Incorporating a Third Nitrogen Atom

Arboflorine, an Unusual Pentacyclic Monoterpenoid Indole Alkaloid Incorporating a Third Nitrogen Atom Arbophylline, a novel heptacyclic indole with a cage skeleton incorporating an acetal moiety Arborisidine and Arbornamine, Two Monoterpenoid Indole Alkaloids with New Polycyclic Carbon–Nitrogen Skeletons Derived from a Common Pericine Precursor Arboridinine, a Pentacyclic Indole Alkaloid with a New Cage Carbon–Nitrogen Skeleton Derived from a Pericine Precursor A Cytotoxic Indole Characterized by Incorporation of a Unique Carbon–Nitrogen Skeleton and Two Pentacyclic Corynanthean Alkaloids Incorporating a Substituted Tetrahydrofuranone Ring from Kopsia arborea Arboduridine, a hexacyclic caged monoterpenoid indole incorporating cyclohexane, piperidine, and bridged-fused pyrrolidine-tetrahydrofuran moieties An overview: total synthesis of arborisidine, and arbornamine Kopsifolines A–F: a New Structural Class of Monoterpenoid Indole Alkaloids from Kopsia Kopsifolines A, B, and C, indole alkaloids with a novel hexacyclic carbon skeleton from Kopsia Two new monoterpenoid indole alkaloids from the kernels of Kopsia arborea