Synthesis And Conformational Analysis of a New Indole Alkaloid, 2,7-Dihydroxyapogeissoschizine

Synthesis And Conformational Analysis of a New Indole Alkaloid, 2,7-Dihydroxyapogeissoschizine 2,7-Dihydroxyapogeissoschizine from root bark of Strychnos gossweileri Apodihydrocinchonamine, an indole alkaloid from Isertia haenkeana Geissovelline, a new alkaloid from Geissospermum vellossi Structure of goniomitine, a new type of indole alkaloid Semisynthetic pyrrolizidine alkaloid antitumor agents Studies on plants containing indole alkaloids. VI. Minor bases of Uncaria rhynchophylla Miq. The determination of the molecular framework and conformation of the calpaurine alkaloid by 1d- and 2d- NMR methods Alkaloids of Geissospermum vellosii. Isolation and Structure Determinations of Vellosimine, Vellosiminol, and Geissolosimine Revised structure of isoschizogamine