First Total Synthesis of a Novel Monoterpenoid Isoquinoline Alkaloid, (.+-.)-Alangine.

First Total Synthesis of a Novel Monoterpenoid Isoquinoline Alkaloid, (.+-.)-Alangine. Total Synthesis of Two 8‐Oxoprotoberberine Alkaloids: Alangiumkaloids A and B Biogenetic Conversion of Tetrahydroisoquinoline−Monoterpene Glucosides into Benzopyridoquinolizine Alkaloids of <i>Alangium lamarckii</i> Structure and Synthesis of Benzoquinolizidine Alkaloids isolated from Alangium lamarckii Chemical examination of the bark ofAlangium Lamarkii Thwaites. Isolation of the alkaloid alangine Isolation of Two Unusual Tetrahydroisoquinoline-Monoterpene Glucosides from Alangium lamarckii as Possible Intermediates in the Non-enzymatic Formation of Alangimarine from Alangiside Enantioselective Total Synthesis of (+)‐Alstilobanine C, (+)‐Undulifoline, and (−)‐Alpneumine H Asymmetric Total Syntheses of Macroline-Type Alkaloids Alstomicine and Alstofolinine A Three Tetrahydroisoquinoline-Monoterpene Glucosides from Alangium lamarckii: The First Occurrence of Glucosides with the Same Absolute Configurations as Deacetylisoipecoside, a Key Intermediate in the Biosynthesis of Ipecac Alkaloids. Stereoselective Synthesis of Diastereomeric Berberine Alkaloids, O-Methylcorytenchirine and Coralydine