An x-ray structural investigation of cis-matrine — A new stereoisomer of matrine

An x-ray structural investigation of cis-matrine — A new stereoisomer of matrine Studies on lupin alkaloids. VI. Isolation and structure of (+)-isomatrine. Molecular Rotation Spectrum of Tetracyclic Quinolizidines: Observation of trans-Matrine and the Elusive cis-Matrine Studies on lupin alkaloids. VIII. A new stereoisomer of sophocarpine. Structure of Matopensive, a Novel Dimeric Indole Alkaloid from Strychnos Species (+)-(14β)-14-Ethylmatridin-15-one, a New Quinolizidine Alkaloid from the Poisonous PlantOxytropis ochrocephalaB<scp>unge</scp> (+)-5,17-dehydromatrine N-oxide, a new alkaloid in Euchresta japonica Steroidal alkaloids of Marsdenia rostrata. II. The isolation and structure of a new alkaloid, rostratamine Steroidal alkaloids of Marsdenia rostrata. II. The isolation and structure of a new alkaloid, rostratamine (+)-9α-Hydroxymatrine from Sophora macrocarpa