Structure of Asparagamine A, a Novel Polycyclic Alkaloid from Asparagus racemosus.

Structure of Asparagamine A, a Novel Polycyclic Alkaloid from Asparagus racemosus. Structure of Asparagamine A, a Novel Polycyclic Alkaloid from Asparagus racemosus. Structure and relative stereochemistry of a new polycyclic alkaloid, asparagamine A, showing anti-oxytocin activity, isolated from Asparagus racemosus Structure and relative stereochemistry of a new polycyclic alkaloid, asparagamine A, showing anti-oxytocin activity, isolated from Asparagus racemosus Two new alkaloids from Asparagus stipularis Forssk. roots Two new alkaloids from Asparagus stipularis Forssk. roots The Pyrrolizidine Alkaloids from Senecio racemosus Two Pyrrolo[1,2‐<i>a</i>]azepine Type Alkaloids from <i>Stemona collinsae</i><scp>Craib:</scp> Structure Elucidations, Relationship to Asparagamine A, and a New Biogenetic Concept of Their Formation Pyrrolizidine Alkaloids from <i>Amphorogyne spicata</i> Andrachamine a New Alkaloid from Andrachne aspera