Stereospecific synthesis and stereochemical structure confirmation of dumetorine

Stereospecific synthesis and stereochemical structure confirmation of dumetorine Convulsant alkaloids from Somniferine, a novel dimeric opium alkaloid 347. Ipecacuanha alkaloids. Part II. The structure of protoemetine and a partial synthesis of (–)-emetine Structure and Synthesis of Benzoquinolizidine Alkaloids isolated from Alangium lamarckii Delatisine, a novel diterpenoid alkaloid from Delphinium elatum L. Structure and Stereochemistry of Divaricine, a New Bisindole Alkaloid from Strychnos divaricans Ducke. Two novel C 18 -diterpenoid alkaloids, sinomontadine with an unprecedented seven-membered ring A and chloride-containing sinomontanine N from Aconitum sinomontanum Solanudine, a steroidal alkaloid from Solanum nudum Structure and Stereochemistry of Divarine: Another New Bisindole Alkaloid from Strychnos divaricans Ducke