Elaboration of New Monoterpenoid Indole Alkaloids Containing a Dihydrofuran Unit

Elaboration of New Monoterpenoid Indole Alkaloids Containing a Dihydrofuran Unit Arboflorine, an Unusual Pentacyclic Monoterpenoid Indole Alkaloid Incorporating a Third Nitrogen Atom Morita–Baylis–Hillman reaction of 3-formyl-9H-pyrido[3,4-b]indoles and fluorescence studies of the products 1-Hydroxyindoles: Production of Feruloylserotonin, an Alkalid of Safflower Seed, Novel Ring System Compound, 1,10-Diaza-9,20-dioxokabutanes, 2,2’-Bisindoles, and (dl)-3a, 3a’-Bispyrrolo[2,3-b]indoles <b>Oxidative Transformations of Indole Alkaloids. II. The Preparation of Oxindoles from <b>cis</b>-DE-Yohimbinoid Alkaloids. The Partial Synthesis of Carapanaubine</b> Über die Struktur eines neuartigen Indolalkaloids, des Talbotins. 141. Mitteilung über Alkaloide [1] Pictet–Spengler Synthesis of Perfluoroalkylated Tetrahydro-γ-carbolines and Tetrahydropyrrolopyrazines Syntheses based on norfluorocurarine. 7. Reduction of norfluorocurarine and fluorocurarine by metallic sodium and sodium borohydride Perhydroisoquinoline Synthesis: C(20)-Substituted Analogs of Yohimbine-Type Alkaloids A ‘one pot’ microwave-mediated synthesis of the basic canthine skeleton: expedient access to unnatural β-carboline alkaloids