3 matokeo
A new beta-carboline alkaloid, 1-acetyl-8-hydroxy-beta-carboline, was isolated from the fern, Hypodematium squamuloso-pilosum, along with a known compound, 1-acetyl-beta-carboline. Their structures were elucidated from spectral evidence. This is the first report of this type of alkaloid being found
Hypodematine, isolated from Hypodematium sinense Iwatsuki as an alkaloid with a new skeleton, was synthesized via nine reaction steps, in which the synthesis of 2-aryl-1-benzazocines via Beckmann rearrangement of 5H-benzocyclohepten-5-one oxime mesylate in dry toluene is discussed.
A novel alkaloid, named hypodematine, was isolated from Hypodematium sinense Iwatsuki (belonging to the lypterdaceae). Its structure has been elucidated to have a novel skeleton of benzo-aza-cyclooctatetraene with a phenyl substitution by means of the 1H-1H COSY, 1H-13C COSY and long-range 1H-13C